Home » Archimedes archive » Acorn User » AU 1997-07 A.adf » Features » 3D/!AU_Attack/source/h/our_lib
3D/!AU_Attack/source/h/our_lib
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
Tape/disk: | Home » Archimedes archive » Acorn User » AU 1997-07 A.adf » Features |
Filename: | 3D/!AU_Attack/source/h/our_lib |
Read OK: | ✔ |
File size: | 434E bytes |
Load address: | 0000 |
Exec address: | 0000 |
File contents
/* our_lib.h : Written by Greg Scott 1997 for Acorn User, as part of the "Virtual Worlds" series. Usage of the source code is done at the owners risk, and Acorn User or the auth or hold no responsibility for damages. This has been written with EasyC/C++, hence the #pragma commands. A little cutting/pasting should be adequate for other compilers. Otherwise just run the executable! */ #include <stdio.h> /* Assembler Functions (SWIs, etc) */ #pragma asm EXPORT ourlib_gettime .ourlib_gettime STMFD R13!,{R1-R4,R14} SWI OS_ReadMonotonicTime LDMFD R13!,{R1-R4,R15} EXPORT ourlib_keydown .ourlib_keydown STMFD R13!,{R1-R2,R14} EOR R1,R0,#128 MOV R0,#121 SWI OS_Byte MOV R0,R1 LDMFD R13!,{R1-R2,PC} EXPORT ourlib_sliver_mask .ourlib_sliver_mask STMFD R13!,{R1-R9,R14} LDMIA R0,{R0-R4} /* .noclippingz ADD R1,R1,R6,LSL #12 ; calculate offset in walls[][] array ADD R1,R1,R2 ; add the column to this */ CMP R3,R2 MOVGE R3,R2 MOV R8,#128 SUB R8,R8,R3,LSR #1 ; set start y pos ADD R4,R4,R8,LSL #8 ; work out usual screen (320x256) ADD R4,R4,R8,LSL #6 ; offset to begin loop ADD R0,R0,R4 MOV R8,#64 ; start loop counter MOV R7,R8 CMP R3,#64 BLLE loopy64looz CMP R3,#127 BLLE loopy127looz CMP R3,#191 BLLE loopy191looz BL loopy192looz .loopy64looz .doddle64z CMP R7,#64 BLLT done64looz LDRB R9,[R1] ; if so load in pixel value SUB R7,R7,#64 CMP R9,#0 /*BEQ skip1*/ STRNEB R9,[R0] .skip1 ADD R0,R0,#320 .done64looz ADD R1,R1,#64 ADD R7,R7,R3 ; add scale onto vert. error term SUBS R8,R8,#1 BLNE loopy64looz ; loop if so LDMFD R13!,{R1-R9,R15}^ .loopy127looz .doddle127z CMP R7,#64 LDRB R9,[R1] ; if so load in pixel value SUB R7,R7,#64 CMP R9,#0 /*BEQ skip2*/ STRNEB R9,[R0] .skip2 ADD R0,R0,#320 CMP R7,#64 BLLT done127looz LDRB R9,[R1] ; if so load in pixel value SUB R7,R7,#64 CMP R9,#0 /*BEQ skip3*/ STRNEB R9,[R0] .skip3 ADD R0,R0,#320 .done127looz ADD R1,R1,#64 ADD R7,R7,R3 ; add scale onto vert. error term SUBS R8,R8,#1 BLNE loopy127looz ; loop if so LDMFD R13!,{R1-R9,R15}^ .loopy191looz .doddle191z CMP R7,#64 LDRB R9,[R1] ; if so load in pixel value SUB R7,R7,#64 CMP R9,#0 /*BEQ skip4*/ STRNEB R9,[R0] .skip4 ADD R0,R0,#320 CMP R7,#64 LDRB R9,[R1] ; if so load in pixel value SUB R7,R7,#64 CMP R9,#0 /*BEQ skip5*/ STRNEB R9,[R0] .skip5 ADD R0,R0,#320 CMP R7,#64 BLT done191looz LDRB R9,[R1] ; if so load in pixel value SUB R7,R7,#64 CMP R9,#0 /*BEQ skip6*/ STRNEB R9,[R0] .skip6 ADD R0,R0,#320 .done191looz ADD R1,R1,#64 ADD R7,R7,R3 ; add scale onto vert. error term SUBS R8,R8,#1 BLNE loopy191looz ; loop if so LDMFD R13!,{R1-R9,R15}^ .loopy192looz .doddle192z CMP R7,#64 LDRB R9,[R1] ; if so load in pixel value SUB R7,R7,#64 CMP R9,#0 /*BEQ skip7*/ STRNEB R9,[R0] .skip7 ADD R0,R0,#320 CMP R7,#64 LDRB R9,[R1] ; if so load in pixel value SUB R7,R7,#64 CMP R9,#0 BEQ skip8 STRB R9,[R0] .skip8 ADD R0,R0,#320 CMP R7,#64 LDRB R9,[R1] ; if so load in pixel value SUB R7,R7,#64 CMP R9,#0 /*BEQ skip9*/ STRNEB R9,[R0] .skip9 ADD R0,R0,#320 CMP R7,#64 BLLT done192looz LDRB R9,[R1] ; if so load in pixel value SUB R7,R7,#64 CMP R9,#0 /*BEQ skip10*/ STRNEB R9,[R0] .skip10 ADD R0,R0,#320 .done192looz ADD R1,R1,#64 ADD R7,R7,R3 ; add scale onto vert. error term SUBS R8,R8,#1 BLNE loopy192looz ; loop if so .endoffunctionz LDMFD R13!,{R1-R9,R15}^ EXPORT ourlib_bar_plot .ourlib_bar_plot STMFD R13!,{R1-R4,R14} ; R0 = screen R1 = bar R2 = startoffset MOV R3,#250 ADD R0,R0,R2 .bar_loop LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4 LDR R2,[R1],#4 STR R2,[R0],#4SUBS R3,R3,#1 BNE bar_loop LDMFD R13!,{R1-R4,R15}^ EXPORT ourlib_gun_plot .ourlib_gun_plot STMFD R13!,{R1-R12,R14} /* R0 = video R1 =graphic R2 = width R3 =height */ MOV R5,R0 .yg_loop MOV R4,R2 ADD R0,R0,#320 MOV R5,R0 .xg_loop LDRB R6,[R1],#1 CMP R6,#151 BEQ cont STRB R6,[R5] .cont ADD R5,R5,#1 SUBS R4,R4,#1 BNE xg_loop SUBS R3,R3,#1 BNE yg_loop LDMFD R13!,{R1-R12,R15} EXPORT ourlib_changemode .ourlib_changemode STMFD R13!,{R1-R4,R14} MOV R1,R0 MOV R0,#22 SWI OS_WriteC MOV R0,R1 SWI OS_WriteC LDMFD R13!,{R1-R4,R15} EXPORT ourlib_wait .ourlib_wait STMFD R13!,{R1-R5,R14} MOV R3,R0 /* Copy variable into safe place */ SWI OS_ReadMonotonicTime ADD R2,R0,R3 .time_loop SWI OS_ReadMonotonicTime CMP R0,R2 BLE time_loop LDMFD R13!,{R1-R5,R15}^ EXPORT ourlib_closedown_screens .ourlib_closedown_screens STMFD R13!,{R1-R4,R14} MOV R0,#114 MOV R1,#1 SWI "OS_Byte" LDMFD R13!,{R1-R4,R15}^ .simplenumber EQUD 0 EXPORT ourlib_simpleswitch .ourlib_simpleswitch STMFD R13!,{R1-R5,R14} LDR R1,simplenumber MOV R0,#113 MOV R4,R1 SWI "OS_Byte" MVN R1,R4 STR R1,simplenumber MOV R0,#112 SWI "OS_Byte" LDMFD R13!,{R1-R5,R15}^ EXPORT ourlib_setup_screens .ourlib_setup_screens STMFD R13!,{R1-R4,R14} MOV R0,#114 MOV R1,#0 SWI "OS_Byte" LDMFD R13!,{R1-R4,R15}^ EXPORT ourlib_killcursor .ourlib_killcursor STMFD R13!,{R1-R4,R14} SWI "OS_RemoveCursors" LDMFD R13!,{R1-R4,R15}^ EXPORT ourlib_revivecursor .ourlib_revivecursor STMFD R13!,{R1-R4,R14} SWI "OS_RestoreCursors" LDMFD R13!,{R1-R4,R15}^ EXPORT ourlib_sliver_two .ourlib_sliver_two STMFD R13!,{R1-R12,R14} LDMIA R0,{R0-R6} CMP R3,#255 MOVGE R3,#255 ADD R1,R1,R6,LSL #2 ADD R1,R1,R2 MOV R8,#128 SUB R8,R8,R3,LSR #1 ADD R4,R4,R8,LSL #8 ADD R4,R4,R8,LSL #6 ADD R0,R0,R4 MOV R10,#0 MOV R8,R3 MOV R3,R1 .looop LDRB R9,[R1,R10,LSL #6] ; if so load in pixel value STRB R9,[R0],#320 ADD R10,R10,R5 MOV R10,R10,LSR #8 SUBS R8,R8,#1 BNE looop LDMFD R13!,{R0-R12,R15}^ EXPORT ourlib_sliver .ourlib_sliver STMFD R13!,{R1-R12,R14} LDMIA R0,{R0-R4} CMP R3,R2 MOVGE R3,R2 /*.noclipping ADD R1,R1,R6,LSL #12 ; calculate offset in walls[][] array ADD R1,R1,R2 ; add the column to this */ MOV R8,#128 SUB R8,R8,R3,LSR #1 ; set start y pos ADD R4,R4,R8,LSL #8 ; work out usual screen (320x256) ADD R4,R4,R8,LSL #6 ; offset to begin loop ADD R0,R0,R4 MOV R8,#64 ; start loop counter MOV R7,R8 CMP R3,#64 BLLE loopy64loo CMP R3,#127 BLLE loopy127loo CMP R3,#191 BLLE loopy191loo BL loopy192loo .loopy64loo .doddle64 CMP R7,#64 BLLT done64loo LDRB R9,[R1] ; if so load in pixel value STRB R9,[R0],#320 SUB R7,R7,#64 .done64loo ADD R1,R1,#64 ADD R7,R7,R3 ; add scale onto vert. error term SUBS R8,R8,#1 BLNE loopy64loo ; loop if so LDMFD R13!,{R1-R12,R15}^ /*MOVS PC,R14*/ .loopy127loo .doddle127 CMP R7,#64 LDRB R9,[R1] ; if so load in pixel value STRB R9,[R0],#320 SUB R7,R7,#64 CMP R7,#64 BLLT done127loo LDRB R9,[R1] ; if so load in pixel value STRB R9,[R0],#320 SUB R7,R7,#64 .done127loo ADD R1,R1,#64 ADD R7,R7,R3 ; add scale onto vert. error term SUBS R8,R8,#1 BLNE loopy127loo ; loop if so LDMFD R13!,{R1-R12,R15}^ /*MOVS PC,R14*/ .loopy191loo .doddle191 CMP R7,#64 LDRB R9,[R1] ; if so load in pixel value STRB R9,[R0],#320 SUB R7,R7,#64 CMP R7,#64 LDRB R9,[R1] ; if so load in pixel value STRB R9,[R0],#320 SUB R7,R7,#64 CMP R7,#64 BLT done191loo LDRB R9,[R1] ; if so load in pixel value STRB R9,[R0],#320 SUB R7,R7,#64 .done191loo ADD R1,R1,#64 ADD R7,R7,R3 ; add scale onto vert. error term SUBS R8,R8,#1 BLNE loopy191loo ; loop if so LDMFD R13!,{R1-R12,R15}^ /*MOVS PC,R14*/ .loopy192loo .doddle192 CMP R7,#64 LDRB R9,[R1] ; if so load in pixel value STRB R9,[R0],#320 SUB R7,R7,#64 CMP R7,#64 LDRB R9,[R1] ; if so load in pixel value STRB R9,[R0],#320 SUB R7,R7,#64 CMP R7,#64 LDRB R9,[R1] ; if so load in pixel value STRB R9,[R0],#320 SUB R7,R7,#64 CMP R7,#64 BLLT done192loo LDRB R9,[R1] ; if so load in pixel value STRB R9,[R0],#320 SUB R7,R7,#64 .done192loo ADD R1,R1,#64 ADD R7,R7,R3 ; add scale onto vert. error term SUBS R8,R8,#1 BLNE loopy192loo ; loop if so .endoffunction LDMFD R13!,{R1-R12,R15}^ /*MOVS PC,R14^*/ EXPORT ourlib_sliverx .ourlib_sliverx STMFD R13!,{R0-R12,R14} LDMIA R0,{R0-R7} MOV R10,#256 CMP R3,R5 MOVGE R3,R5 .noclippingx ADD R1,R1,R6,LSL #12 ; calculate offset in walls[][] array ADD R1,R1,R2 ; add the column to this MOV R8,#100 SUB R8,R8,R3,LSR #1 ; set start y pos ADD R4,R4,R8,LSL #8 ; work out usual screen (320x256) ADD R4,R4,R8,LSL #6 ; offset to begin loop ADD R0,R0,R4 ; setup inc and fixed MOV R9,#0,LSL #16 MOV R11,#0 ; R3 holds counter .loopxxx LDRB R10,[R1,R11,LSL #6] STRB R10,[R0],#320 ADD R9,R9,R7 MOV R11,R9,LSR #16 ;endxxx SUBS R3,R3,#1 BNE loopxxx LDMFD R13!,{R0-R12,R15}^ /*MOVS PC,R14^*/ EXPORT ourlib_slowclear .ourlib_slowclear STMFD R13!,{R0-R5,R14} .clearing STRB R2,[R0,R1] SUBS R1,R1,#1 BNE clearing LDMFD R13!,{R0-R5,R15} EXPORT ourlib_fastclg_two .ourlib_fastclg_two STMFD R13!,{R0-R12,R14} MOV R4,#128 SUB R4,R4,R2,ASR #1 ADD R11,R0,R4,LSL #8 ADD R11,R11,R4,LSL #6 MOV R10,R11 ; start offset calculated MOV R9,R1 MOV R12,R2,LSR #1 LDR R0,topcolour MOV R1,R0 MOV R2,R0 MOV R3,R0 MOV R4,R0 MOV R5,R0 MOV R6,R0 MOV R7,R0 MOV R14,R12 .y_loop MOV R8,R9,LSR #5 .x_loop STMIA R11!,{R0-R7} SUBS R8,R8,#1 BNE x_loop ADD R10,R10,#320 MOV R11,R10 SUBS R12,R12,#1 BNE y_loop LDR R0,bottomcolour MOV R1,R0 MOV R2,R0 MOV R3,R0 MOV R4,R0 MOV R5,R0 MOV R6,R0 MOV R7,R0 MOV R12,R14 .y_loopb MOV R8,R9,LSR #5 .x_loopb STMIA R11!,{R0-R7} SUBS R8,R8,#1 BNE x_loopb ADD R10,R10,#320 MOV R11,R10 SUBS R12,R12,#1 BNE y_loopb LDMFD R13!,{R0-R12,R15}^ EXPORT ourlib_fastclg .ourlib_fastclg STMFD R13!,{R1-R12,R14} MOV R11,R0 MOV R10,#32 LDR R0,topcolour MOV R0,R0 MOV R1,R0 MOV R2,R0 MOV R3,R0 MOV R4,R0 MOV R5,R0 MOV R6,R0 MOV R7,R0 MOV R8,R0 MOV R9,R0 .fast STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} SUBS R10,R10,#1 BNE fast MOV R10,#32 LDR R1,bottomcolour MOV R0,R1 MOV R2,R1 MOV R3,R1 MOV R4,R1 MOV R5,R1 MOV R6,R1 MOV R7,R1 MOV R8,R1 MOV R9,R1 .fast2 STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} STMIA R11!,{R0-R9} SUBS R10,R10,#1 BNE fast2 LDMFD R13!,{R1-R12,R15}^ .topcolour EQUD 0 .bottomcolour EQUD 0 .screenyoffset EQUD 0 .screenystop EQUD 0 .screenxoffset EQUD 0 .screenxstop EQUD 0 EXPORT ourlib_setupbackground .ourlib_setup_background STMFD R13!,{R1-R6,R14} /*MOV R10,#320 SUB R9,R10,R2,LSR #1 STR R9,screenxoffset SUB R9,R10,R9 STR R9,screenxstop MOV R10,#128 SUB R9,R10,R3,LSR #1 STR R9,screenyoffset MOV R10,#256 SUB R9,R10,R9 STR R9,screenystop*/ MOV R3,R0 MOV R4,R1 ORR R0,R0,R3 ORR R0,R0,R3,LSL #8 ORR R0,R0,R3,LSL #16 ORR R0,R0,R3,LSL #24 STR R0,topcolour MOV R0,#0 ORR R0,R0,R4 ORR R0,R0,R4,LSL #8 ORR R0,R0,R4,LSL #16 ORR R0,R0,R4,LSL #24 STR R0,bottomcolour LDMFD R13!,{R1-R6,R15}^ EXPORT colour_box .colour_box /* R0 = video_address R1= startx R2 = starty R3 = endx R4 = endy R5 = colour*/ STMFD R13!,{R1-R10,R14} LDMIA R0,{R0-R5} MOV R6,R2 .loop_y MOV R7,R1 .loop_x ADD R8,R7,R6,LSL #8 ADD R8,R8,R6,LSL #6 STRB R5,[R0,R8] ADD R7,R7,#1 CMP R7,R3 BLT loop_x ADD R6,R6,#1 CMP R6,R4 BLT loop_y LDMFD R13!,{R1-R10,PC} EXPORT ourlib_rayback .ourlib_rayback STMFD R13!,{R1-R12,R14} MOV R12,#00000000000000 MOV R2,#20480 .raybackloop STR R12,[R0,#4]! SUBS R2,R2 ,#1 BNE raybackloop LDMFD R13!,{R1-R12,R15}^ EXPORT ourlib_waitvsync .ourlib_waitvsync STMFD R13!,{R1-R2,R14} MOV R0,#19 SWI OS_Byte LDMFD R13!,{R1-R2,R15}^ EXPORT ourlib_screen_rotate .ourlib_screen_rotate STMFD R13!,{R1-R4,R14} LDR R1,screensize LDR R1,screensize .rotateloop LDRB R3,[R0] MOV R3,R3,ROR #24 STRB R3,[R0],#1 SUBS R1,R1,#1 BNE rotateloop LDMFD R13!,{R1-R4,PC} .screensize EQUD 81920 EXPORT ourlib_fade_out .ourlib_fade_out STMFD R13!,{R1-R7,R14} /* R0 = videoaddress R1 = screensize */ ADD R0,R0,R1 ; Point R0 to bottom of screen MOV R5,#8 ; Loop will execute #4 cycles .outer_loop ; Outer loop begins MOV R4,R1 ; Move screensize into temp R4 .fader_loop ; Inner loop begins SUB R2,R0,R4 ; Subtract R4 from screen pointer LDRB R3,[R2] ; Load the value pointed to MOV R3,R3,LSR #1 ; Shift (fade) it STRB R3,[R2] ; And store it back where it was SUBS R4,R4,#1 ; Move pointer to next pixel BNE fader_loop ; Loop if not done yet SUBS R5,R5,#1 ; Decrement outer loop counter BNE outer_loop ; Loop again if incomplete LDMFD R13!,{R1-R7,PC}^ EXPORT ourlib_colourscreen13 .ourlib_colourscreen13 STMFD R13!,{R1-R12,R14} /* R0 = video_address R1 = pixels R2 = colour */ .loop_pixel STRB R2,[R0,R1] SUBS R1,R1,#1 BNE loop_pixel LDMFD R13!,{R1-R12,R15}^ EXPORT ourlib_findscreen .ourlib_findscreen STMFD R13!,{R1-R5,R14} ADR R0,Screen_Params ADR R1,Screen_Address SWI "OS_ReadVduVariables" LDR R0,Screen_Address LDMFD R13!,{R1-R5,R15}^ .Screen_Address EQUD 0; .Screen_Params EQUD 148; EQUD -1; #pragma endasm void ourlib_write(char string[]); void ourlib_bitmap_plot(int start_x,int start_y,int end_x,int end_y,char *memory,char *video); void ourlib_bitmap_grab(int start_x,int start_y,int end_x,int end_y,char *memory,char *video); void ourlib_bitmap_grab(int start_x,int start_y,int end_x,int end_y,char *memory,char *video) { int offset_in_memory; int offset_in_screen; int pixel_x,pixel_y; for(offset_in_memory=0,pixel_y=start_y;pixel_y<=end_y;pixel_y++) { for(pixel_x=start_x;pixel_x<=end_x;pixel_x++,offset_in_memory++) { offset_in_screen=pixel_x+(pixel_y<<6)+(pixel_y<<8); memory[offset_in_memory]=*(video+offset_in_screen); } } } void ourlib_bitmap_plot(int start_x,int start_y,int end_x,int end_y,char *memory,char *video) { int offset_in_memory; int offset_in_screen; int pixel_x,pixel_y; for(offset_in_memory=0,pixel_y=start_y;pixel_y<=end_y;pixel_y++) { for(pixel_x=start_x;pixel_x<=end_x;pixel_x++,offset_in_memory++) { offset_in_screen=pixel_x+(pixel_y<<6)+(pixel_y<<8); *(video+offset_in_screen)=memory[offset_in_memory]; } } } void ourlib_write(char string[]) { printf("%s\n",string); } void ourlib_bitmap_scale(char *screen,int screenx,int screeny,int percent, int width,int height,char *bitmap) { int yerror=0; /*int screeny=(200-percent)/2;*/ int xerror,x; unsigned int scrptr=screeny*320+screenx; unsigned int bitptr=0; int y; unsigned int old_scrptr; unsigned int old_bitptr; for (y=0; y<height; y++) { yerror+=percent; while (yerror>100) { yerror-=100; old_scrptr=scrptr; old_bitptr=bitptr; xerror=0; for ( x=0; x<width; x++) { xerror+=percent; while (xerror>100) { xerror-=100; screen[scrptr]=bitmap[bitptr]; scrptr++; } bitptr++; } scrptr=old_scrptr+320; bitptr=old_bitptr; } bitptr+=width; } } void ourlib_screen_dissolve(char *screen_address,int screen_size) { int number, counter; float temp; for(counter=400000;counter>0;counter--) { number=rand(); temp=(float)number/RAND_MAX; number=(float)temp*screen_size;; if(number>screen_size)number=screen_size; *(screen_address+number)=0; } } void ourlib_screen_shift(char *screen_address,int screen_size) { int counter; for(counter=screen_size;counter>0;counter--) { *(screen_address+counter)>>=1; } } void ourlib_screen_switch(char *screen_address,char *memory,int screen_size) { int number, counter; float temp; for(counter=400000;counter>0;counter--) { number=rand(); temp=(float)number/RAND_MAX; number=(float)temp*screen_size;; if(number>screen_size)number=screen_size; *(screen_address+number)=*(memory+number); } }
00000000 2f 2a 0a 20 20 20 6f 75 72 5f 6c 69 62 2e 68 20 |/*. our_lib.h | 00000010 3a 20 57 72 69 74 74 65 6e 20 62 79 20 47 72 65 |: Written by Gre| 00000020 67 20 53 63 6f 74 74 20 20 20 31 39 39 37 0a 20 |g Scott 1997. | 00000030 20 20 66 6f 72 20 41 63 6f 72 6e 20 55 73 65 72 | for Acorn User| 00000040 2c 20 61 73 20 70 61 72 74 20 6f 66 20 74 68 65 |, as part of the| 00000050 20 22 56 69 72 74 75 61 6c 0a 20 20 20 57 6f 72 | "Virtual. Wor| 00000060 6c 64 73 22 20 73 65 72 69 65 73 2e 0a 0a 20 20 |lds" series... | 00000070 20 55 73 61 67 65 20 6f 66 20 74 68 65 20 73 6f | Usage of the so| 00000080 75 72 63 65 20 63 6f 64 65 20 69 73 20 64 6f 6e |urce code is don| 00000090 65 20 61 74 20 74 68 65 0a 20 20 20 6f 77 6e 65 |e at the. owne| 000000a0 72 73 20 72 69 73 6b 2c 20 61 6e 64 20 41 63 6f |rs risk, and Aco| 000000b0 72 6e 20 55 73 65 72 20 6f 72 20 74 68 65 20 61 |rn User or the a| 000000c0 75 74 68 0a 20 20 20 6f 72 20 68 6f 6c 64 20 6e |uth. or hold n| 000000d0 6f 20 72 65 73 70 6f 6e 73 69 62 69 6c 69 74 79 |o responsibility| 000000e0 20 66 6f 72 20 64 61 6d 61 67 65 73 2e 0a 0a 20 | for damages... | 000000f0 20 20 54 68 69 73 20 68 61 73 20 62 65 65 6e 20 | This has been | 00000100 77 72 69 74 74 65 6e 20 77 69 74 68 20 45 61 73 |written with Eas| 00000110 79 43 2f 43 2b 2b 2c 20 68 65 6e 63 65 0a 20 20 |yC/C++, hence. | 00000120 20 74 68 65 20 23 70 72 61 67 6d 61 20 63 6f 6d | the #pragma com| 00000130 6d 61 6e 64 73 2e 20 41 20 6c 69 74 74 6c 65 20 |mands. A little | 00000140 63 75 74 74 69 6e 67 2f 70 61 73 74 69 6e 67 0a |cutting/pasting.| 00000150 20 20 20 73 68 6f 75 6c 64 20 62 65 20 61 64 65 | should be ade| 00000160 71 75 61 74 65 20 66 6f 72 20 6f 74 68 65 72 20 |quate for other | 00000170 63 6f 6d 70 69 6c 65 72 73 2e 20 4f 74 68 65 72 |compilers. Other| 00000180 77 69 73 65 0a 20 20 20 6a 75 73 74 20 72 75 6e |wise. just run| 00000190 20 74 68 65 20 65 78 65 63 75 74 61 62 6c 65 21 | the executable!| 000001a0 0a 2a 2f 0a 0a 23 69 6e 63 6c 75 64 65 20 3c 73 |.*/..#include <s| 000001b0 74 64 69 6f 2e 68 3e 0a 0a 2f 2a 20 41 73 73 65 |tdio.h>../* Asse| 000001c0 6d 62 6c 65 72 20 46 75 6e 63 74 69 6f 6e 73 20 |mbler Functions | 000001d0 28 53 57 49 73 2c 20 65 74 63 29 20 2a 2f 0a 23 |(SWIs, etc) */.#| 000001e0 70 72 61 67 6d 61 20 61 73 6d 0a 45 58 50 4f 52 |pragma asm.EXPOR| 000001f0 54 20 6f 75 72 6c 69 62 5f 67 65 74 74 69 6d 65 |T ourlib_gettime| 00000200 0a 2e 6f 75 72 6c 69 62 5f 67 65 74 74 69 6d 65 |..ourlib_gettime| 00000210 0a 0a 53 54 4d 46 44 20 52 31 33 21 2c 7b 52 31 |..STMFD R13!,{R1| 00000220 2d 52 34 2c 52 31 34 7d 0a 53 57 49 20 4f 53 5f |-R4,R14}.SWI OS_| 00000230 52 65 61 64 4d 6f 6e 6f 74 6f 6e 69 63 54 69 6d |ReadMonotonicTim| 00000240 65 0a 4c 44 4d 46 44 20 52 31 33 21 2c 7b 52 31 |e.LDMFD R13!,{R1| 00000250 2d 52 34 2c 52 31 35 7d 0a 0a 0a 0a 45 58 50 4f |-R4,R15}....EXPO| 00000260 52 54 20 6f 75 72 6c 69 62 5f 6b 65 79 64 6f 77 |RT ourlib_keydow| 00000270 6e 0a 2e 6f 75 72 6c 69 62 5f 6b 65 79 64 6f 77 |n..ourlib_keydow| 00000280 6e 0a 53 54 4d 46 44 20 52 31 33 21 2c 7b 52 31 |n.STMFD R13!,{R1| 00000290 2d 52 32 2c 52 31 34 7d 0a 0a 45 4f 52 20 52 31 |-R2,R14}..EOR R1| 000002a0 2c 52 30 2c 23 31 32 38 0a 4d 4f 56 20 52 30 2c |,R0,#128.MOV R0,| 000002b0 23 31 32 31 0a 53 57 49 20 4f 53 5f 42 79 74 65 |#121.SWI OS_Byte| 000002c0 0a 4d 4f 56 20 52 30 2c 52 31 0a 4c 44 4d 46 44 |.MOV R0,R1.LDMFD| 000002d0 20 52 31 33 21 2c 7b 52 31 2d 52 32 2c 50 43 7d | R13!,{R1-R2,PC}| 000002e0 0a 0a 0a 0a 45 58 50 4f 52 54 20 6f 75 72 6c 69 |....EXPORT ourli| 000002f0 62 5f 73 6c 69 76 65 72 5f 6d 61 73 6b 0a 2e 6f |b_sliver_mask..o| 00000300 75 72 6c 69 62 5f 73 6c 69 76 65 72 5f 6d 61 73 |urlib_sliver_mas| 00000310 6b 0a 53 54 4d 46 44 20 52 31 33 21 2c 7b 52 31 |k.STMFD R13!,{R1| 00000320 2d 52 39 2c 52 31 34 7d 0a 4c 44 4d 49 41 20 52 |-R9,R14}.LDMIA R| 00000330 30 2c 7b 52 30 2d 52 34 7d 0a 2f 2a 0a 2e 6e 6f |0,{R0-R4}./*..no| 00000340 63 6c 69 70 70 69 6e 67 7a 0a 41 44 44 20 52 31 |clippingz.ADD R1| 00000350 2c 52 31 2c 52 36 2c 4c 53 4c 20 23 31 32 20 3b |,R1,R6,LSL #12 ;| 00000360 20 63 61 6c 63 75 6c 61 74 65 20 6f 66 66 73 65 | calculate offse| 00000370 74 20 69 6e 20 77 61 6c 6c 73 5b 5d 5b 5d 20 61 |t in walls[][] a| 00000380 72 72 61 79 0a 41 44 44 20 52 31 2c 52 31 2c 52 |rray.ADD R1,R1,R| 00000390 32 20 20 20 20 20 20 20 20 20 3b 20 61 64 64 20 |2 ; add | 000003a0 74 68 65 20 63 6f 6c 75 6d 6e 20 74 6f 20 74 68 |the column to th| 000003b0 69 73 0a 2a 2f 0a 43 4d 50 20 52 33 2c 52 32 0a |is.*/.CMP R3,R2.| 000003c0 4d 4f 56 47 45 20 52 33 2c 52 32 0a 0a 4d 4f 56 |MOVGE R3,R2..MOV| 000003d0 20 52 38 2c 23 31 32 38 0a 53 55 42 20 52 38 2c | R8,#128.SUB R8,| 000003e0 52 38 2c 52 33 2c 4c 53 52 20 23 31 20 3b 20 73 |R8,R3,LSR #1 ; s| 000003f0 65 74 20 73 74 61 72 74 20 79 20 70 6f 73 0a 41 |et start y pos.A| 00000400 44 44 20 52 34 2c 52 34 2c 52 38 2c 4c 53 4c 20 |DD R4,R4,R8,LSL | 00000410 23 38 20 3b 20 77 6f 72 6b 20 6f 75 74 20 75 73 |#8 ; work out us| 00000420 75 61 6c 20 73 63 72 65 65 6e 20 28 33 32 30 78 |ual screen (320x| 00000430 32 35 36 29 0a 41 44 44 20 52 34 2c 52 34 2c 52 |256).ADD R4,R4,R| 00000440 38 2c 4c 53 4c 20 23 36 20 3b 20 6f 66 66 73 65 |8,LSL #6 ; offse| 00000450 74 20 74 6f 20 62 65 67 69 6e 20 6c 6f 6f 70 0a |t to begin loop.| 00000460 41 44 44 20 52 30 2c 52 30 2c 52 34 0a 0a 4d 4f |ADD R0,R0,R4..MO| 00000470 56 20 52 38 2c 23 36 34 20 20 20 20 20 20 20 20 |V R8,#64 | 00000480 3b 20 73 74 61 72 74 20 6c 6f 6f 70 20 63 6f 75 |; start loop cou| 00000490 6e 74 65 72 0a 4d 4f 56 20 52 37 2c 52 38 0a 0a |nter.MOV R7,R8..| 000004a0 43 4d 50 20 52 33 2c 23 36 34 0a 42 4c 4c 45 20 |CMP R3,#64.BLLE | 000004b0 6c 6f 6f 70 79 36 34 6c 6f 6f 7a 0a 43 4d 50 20 |loopy64looz.CMP | 000004c0 52 33 2c 23 31 32 37 0a 42 4c 4c 45 20 6c 6f 6f |R3,#127.BLLE loo| 000004d0 70 79 31 32 37 6c 6f 6f 7a 0a 43 4d 50 20 52 33 |py127looz.CMP R3| 000004e0 2c 23 31 39 31 0a 42 4c 4c 45 20 6c 6f 6f 70 79 |,#191.BLLE loopy| 000004f0 31 39 31 6c 6f 6f 7a 0a 42 4c 20 6c 6f 6f 70 79 |191looz.BL loopy| 00000500 31 39 32 6c 6f 6f 7a 0a 2e 6c 6f 6f 70 79 36 34 |192looz..loopy64| 00000510 6c 6f 6f 7a 0a 2e 64 6f 64 64 6c 65 36 34 7a 0a |looz..doddle64z.| 00000520 43 4d 50 20 52 37 2c 23 36 34 0a 42 4c 4c 54 20 |CMP R7,#64.BLLT | 00000530 64 6f 6e 65 36 34 6c 6f 6f 7a 0a 4c 44 52 42 20 |done64looz.LDRB | 00000540 52 39 2c 5b 52 31 5d 20 20 20 20 20 20 20 3b 20 |R9,[R1] ; | 00000550 69 66 20 73 6f 20 6c 6f 61 64 20 69 6e 20 70 69 |if so load in pi| 00000560 78 65 6c 20 76 61 6c 75 65 0a 53 55 42 20 52 37 |xel value.SUB R7| 00000570 2c 52 37 2c 23 36 34 0a 43 4d 50 20 52 39 2c 23 |,R7,#64.CMP R9,#| 00000580 30 0a 2f 2a 42 45 51 20 73 6b 69 70 31 2a 2f 0a |0./*BEQ skip1*/.| 00000590 53 54 52 4e 45 42 20 52 39 2c 5b 52 30 5d 0a 2e |STRNEB R9,[R0]..| 000005a0 73 6b 69 70 31 0a 41 44 44 20 52 30 2c 52 30 2c |skip1.ADD R0,R0,| 000005b0 23 33 32 30 0a 0a 2e 64 6f 6e 65 36 34 6c 6f 6f |#320...done64loo| 000005c0 7a 0a 41 44 44 20 52 31 2c 52 31 2c 23 36 34 0a |z.ADD R1,R1,#64.| 000005d0 41 44 44 20 52 37 2c 52 37 2c 52 33 20 20 20 20 |ADD R7,R7,R3 | 000005e0 20 20 20 20 20 3b 20 61 64 64 20 73 63 61 6c 65 | ; add scale| 000005f0 20 6f 6e 74 6f 20 76 65 72 74 2e 20 65 72 72 6f | onto vert. erro| 00000600 72 20 74 65 72 6d 0a 53 55 42 53 20 52 38 2c 52 |r term.SUBS R8,R| 00000610 38 2c 23 31 0a 42 4c 4e 45 20 6c 6f 6f 70 79 36 |8,#1.BLNE loopy6| 00000620 34 6c 6f 6f 7a 20 20 20 20 20 20 20 20 20 3b 20 |4looz ; | 00000630 6c 6f 6f 70 20 69 66 20 73 6f 0a 0a 4c 44 4d 46 |loop if so..LDMF| 00000640 44 20 52 31 33 21 2c 7b 52 31 2d 52 39 2c 52 31 |D R13!,{R1-R9,R1| 00000650 35 7d 5e 0a 0a 2e 6c 6f 6f 70 79 31 32 37 6c 6f |5}^...loopy127lo| 00000660 6f 7a 0a 2e 64 6f 64 64 6c 65 31 32 37 7a 0a 43 |oz..doddle127z.C| 00000670 4d 50 20 52 37 2c 23 36 34 0a 4c 44 52 42 20 52 |MP R7,#64.LDRB R| 00000680 39 2c 5b 52 31 5d 20 20 20 20 20 20 20 3b 20 69 |9,[R1] ; i| 00000690 66 20 73 6f 20 6c 6f 61 64 20 69 6e 20 70 69 78 |f so load in pix| 000006a0 65 6c 20 76 61 6c 75 65 0a 53 55 42 20 52 37 2c |el value.SUB R7,| 000006b0 52 37 2c 23 36 34 0a 43 4d 50 20 52 39 2c 23 30 |R7,#64.CMP R9,#0| 000006c0 0a 2f 2a 42 45 51 20 73 6b 69 70 32 2a 2f 0a 53 |./*BEQ skip2*/.S| 000006d0 54 52 4e 45 42 20 52 39 2c 5b 52 30 5d 0a 2e 73 |TRNEB R9,[R0]..s| 000006e0 6b 69 70 32 0a 41 44 44 20 52 30 2c 52 30 2c 23 |kip2.ADD R0,R0,#| 000006f0 33 32 30 0a 0a 43 4d 50 20 52 37 2c 23 36 34 0a |320..CMP R7,#64.| 00000700 42 4c 4c 54 20 64 6f 6e 65 31 32 37 6c 6f 6f 7a |BLLT done127looz| 00000710 0a 4c 44 52 42 20 52 39 2c 5b 52 31 5d 20 20 20 |.LDRB R9,[R1] | 00000720 20 20 20 20 3b 20 69 66 20 73 6f 20 6c 6f 61 64 | ; if so load| 00000730 20 69 6e 20 70 69 78 65 6c 20 76 61 6c 75 65 0a | in pixel value.| 00000740 53 55 42 20 52 37 2c 52 37 2c 23 36 34 0a 43 4d |SUB R7,R7,#64.CM| 00000750 50 20 52 39 2c 23 30 0a 2f 2a 42 45 51 20 73 6b |P R9,#0./*BEQ sk| 00000760 69 70 33 2a 2f 0a 53 54 52 4e 45 42 20 52 39 2c |ip3*/.STRNEB R9,| 00000770 5b 52 30 5d 0a 2e 73 6b 69 70 33 0a 41 44 44 20 |[R0]..skip3.ADD | 00000780 52 30 2c 52 30 2c 23 33 32 30 0a 0a 2e 64 6f 6e |R0,R0,#320...don| 00000790 65 31 32 37 6c 6f 6f 7a 0a 41 44 44 20 52 31 2c |e127looz.ADD R1,| 000007a0 52 31 2c 23 36 34 0a 41 44 44 20 52 37 2c 52 37 |R1,#64.ADD R7,R7| 000007b0 2c 52 33 20 20 20 20 20 20 20 20 20 3b 20 61 64 |,R3 ; ad| 000007c0 64 20 73 63 61 6c 65 20 6f 6e 74 6f 20 76 65 72 |d scale onto ver| 000007d0 74 2e 20 65 72 72 6f 72 20 74 65 72 6d 0a 53 55 |t. error term.SU| 000007e0 42 53 20 52 38 2c 52 38 2c 23 31 0a 42 4c 4e 45 |BS R8,R8,#1.BLNE| 000007f0 20 6c 6f 6f 70 79 31 32 37 6c 6f 6f 7a 20 20 20 | loopy127looz | 00000800 20 20 20 20 20 20 3b 20 6c 6f 6f 70 20 69 66 20 | ; loop if | 00000810 73 6f 0a 4c 44 4d 46 44 20 52 31 33 21 2c 7b 52 |so.LDMFD R13!,{R| 00000820 31 2d 52 39 2c 52 31 35 7d 5e 0a 0a 0a 2e 6c 6f |1-R9,R15}^....lo| 00000830 6f 70 79 31 39 31 6c 6f 6f 7a 0a 2e 64 6f 64 64 |opy191looz..dodd| 00000840 6c 65 31 39 31 7a 0a 43 4d 50 20 52 37 2c 23 36 |le191z.CMP R7,#6| 00000850 34 0a 4c 44 52 42 20 52 39 2c 5b 52 31 5d 20 20 |4.LDRB R9,[R1] | 00000860 20 20 20 20 20 3b 20 69 66 20 73 6f 20 6c 6f 61 | ; if so loa| 00000870 64 20 69 6e 20 70 69 78 65 6c 20 76 61 6c 75 65 |d in pixel value| 00000880 0a 53 55 42 20 52 37 2c 52 37 2c 23 36 34 0a 43 |.SUB R7,R7,#64.C| 00000890 4d 50 20 52 39 2c 23 30 0a 2f 2a 42 45 51 20 73 |MP R9,#0./*BEQ s| 000008a0 6b 69 70 34 2a 2f 0a 53 54 52 4e 45 42 20 52 39 |kip4*/.STRNEB R9| 000008b0 2c 5b 52 30 5d 0a 2e 73 6b 69 70 34 0a 41 44 44 |,[R0]..skip4.ADD| 000008c0 20 52 30 2c 52 30 2c 23 33 32 30 0a 0a 43 4d 50 | R0,R0,#320..CMP| 000008d0 20 52 37 2c 23 36 34 0a 4c 44 52 42 20 52 39 2c | R7,#64.LDRB R9,| 000008e0 5b 52 31 5d 20 20 20 20 20 20 20 3b 20 69 66 20 |[R1] ; if | 000008f0 73 6f 20 6c 6f 61 64 20 69 6e 20 70 69 78 65 6c |so load in pixel| 00000900 20 76 61 6c 75 65 0a 53 55 42 20 52 37 2c 52 37 | value.SUB R7,R7| 00000910 2c 23 36 34 0a 43 4d 50 20 52 39 2c 23 30 0a 2f |,#64.CMP R9,#0./| 00000920 2a 42 45 51 20 73 6b 69 70 35 2a 2f 0a 53 54 52 |*BEQ skip5*/.STR| 00000930 4e 45 42 20 52 39 2c 5b 52 30 5d 0a 2e 73 6b 69 |NEB R9,[R0]..ski| 00000940 70 35 0a 41 44 44 20 52 30 2c 52 30 2c 23 33 32 |p5.ADD R0,R0,#32| 00000950 30 0a 0a 43 4d 50 20 52 37 2c 23 36 34 0a 42 4c |0..CMP R7,#64.BL| 00000960 54 20 64 6f 6e 65 31 39 31 6c 6f 6f 7a 0a 4c 44 |T done191looz.LD| 00000970 52 42 20 52 39 2c 5b 52 31 5d 20 20 20 20 20 20 |RB R9,[R1] | 00000980 20 3b 20 69 66 20 73 6f 20 6c 6f 61 64 20 69 6e | ; if so load in| 00000990 20 70 69 78 65 6c 20 76 61 6c 75 65 0a 53 55 42 | pixel value.SUB| 000009a0 20 52 37 2c 52 37 2c 23 36 34 0a 43 4d 50 20 52 | R7,R7,#64.CMP R| 000009b0 39 2c 23 30 0a 2f 2a 42 45 51 20 73 6b 69 70 36 |9,#0./*BEQ skip6| 000009c0 2a 2f 0a 53 54 52 4e 45 42 20 52 39 2c 5b 52 30 |*/.STRNEB R9,[R0| 000009d0 5d 0a 2e 73 6b 69 70 36 0a 41 44 44 20 52 30 2c |]..skip6.ADD R0,| 000009e0 52 30 2c 23 33 32 30 0a 0a 2e 64 6f 6e 65 31 39 |R0,#320...done19| 000009f0 31 6c 6f 6f 7a 0a 41 44 44 20 52 31 2c 52 31 2c |1looz.ADD R1,R1,| 00000a00 23 36 34 0a 41 44 44 20 52 37 2c 52 37 2c 52 33 |#64.ADD R7,R7,R3| 00000a10 20 20 20 20 20 20 20 20 20 3b 20 61 64 64 20 73 | ; add s| 00000a20 63 61 6c 65 20 6f 6e 74 6f 20 76 65 72 74 2e 20 |cale onto vert. | 00000a30 65 72 72 6f 72 20 74 65 72 6d 0a 53 55 42 53 20 |error term.SUBS | 00000a40 52 38 2c 52 38 2c 23 31 0a 42 4c 4e 45 20 6c 6f |R8,R8,#1.BLNE lo| 00000a50 6f 70 79 31 39 31 6c 6f 6f 7a 20 20 20 20 20 20 |opy191looz | 00000a60 20 20 20 3b 20 6c 6f 6f 70 20 69 66 20 73 6f 0a | ; loop if so.| 00000a70 4c 44 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 |LDMFD R13!,{R1-R| 00000a80 39 2c 52 31 35 7d 5e 0a 0a 2e 6c 6f 6f 70 79 31 |9,R15}^...loopy1| 00000a90 39 32 6c 6f 6f 7a 0a 2e 64 6f 64 64 6c 65 31 39 |92looz..doddle19| 00000aa0 32 7a 0a 43 4d 50 20 52 37 2c 23 36 34 0a 4c 44 |2z.CMP R7,#64.LD| 00000ab0 52 42 20 52 39 2c 5b 52 31 5d 20 20 20 20 20 20 |RB R9,[R1] | 00000ac0 20 3b 20 69 66 20 73 6f 20 6c 6f 61 64 20 69 6e | ; if so load in| 00000ad0 20 70 69 78 65 6c 20 76 61 6c 75 65 0a 53 55 42 | pixel value.SUB| 00000ae0 20 52 37 2c 52 37 2c 23 36 34 0a 43 4d 50 20 52 | R7,R7,#64.CMP R| 00000af0 39 2c 23 30 0a 2f 2a 42 45 51 20 73 6b 69 70 37 |9,#0./*BEQ skip7| 00000b00 2a 2f 0a 53 54 52 4e 45 42 20 52 39 2c 5b 52 30 |*/.STRNEB R9,[R0| 00000b10 5d 0a 2e 73 6b 69 70 37 0a 41 44 44 20 52 30 2c |]..skip7.ADD R0,| 00000b20 52 30 2c 23 33 32 30 0a 0a 43 4d 50 20 52 37 2c |R0,#320..CMP R7,| 00000b30 23 36 34 0a 4c 44 52 42 20 52 39 2c 5b 52 31 5d |#64.LDRB R9,[R1]| 00000b40 20 20 20 20 20 20 20 3b 20 69 66 20 73 6f 20 6c | ; if so l| 00000b50 6f 61 64 20 69 6e 20 70 69 78 65 6c 20 76 61 6c |oad in pixel val| 00000b60 75 65 0a 53 55 42 20 52 37 2c 52 37 2c 23 36 34 |ue.SUB R7,R7,#64| 00000b70 0a 43 4d 50 20 52 39 2c 23 30 0a 42 45 51 20 73 |.CMP R9,#0.BEQ s| 00000b80 6b 69 70 38 0a 53 54 52 42 20 52 39 2c 5b 52 30 |kip8.STRB R9,[R0| 00000b90 5d 0a 2e 73 6b 69 70 38 0a 41 44 44 20 52 30 2c |]..skip8.ADD R0,| 00000ba0 52 30 2c 23 33 32 30 0a 0a 43 4d 50 20 52 37 2c |R0,#320..CMP R7,| 00000bb0 23 36 34 0a 4c 44 52 42 20 52 39 2c 5b 52 31 5d |#64.LDRB R9,[R1]| 00000bc0 20 20 20 20 20 20 20 3b 20 69 66 20 73 6f 20 6c | ; if so l| 00000bd0 6f 61 64 20 69 6e 20 70 69 78 65 6c 20 76 61 6c |oad in pixel val| 00000be0 75 65 0a 53 55 42 20 52 37 2c 52 37 2c 23 36 34 |ue.SUB R7,R7,#64| 00000bf0 0a 43 4d 50 20 52 39 2c 23 30 0a 2f 2a 42 45 51 |.CMP R9,#0./*BEQ| 00000c00 20 73 6b 69 70 39 2a 2f 0a 53 54 52 4e 45 42 20 | skip9*/.STRNEB | 00000c10 52 39 2c 5b 52 30 5d 0a 2e 73 6b 69 70 39 0a 41 |R9,[R0]..skip9.A| 00000c20 44 44 20 52 30 2c 52 30 2c 23 33 32 30 0a 0a 43 |DD R0,R0,#320..C| 00000c30 4d 50 20 52 37 2c 23 36 34 0a 42 4c 4c 54 20 64 |MP R7,#64.BLLT d| 00000c40 6f 6e 65 31 39 32 6c 6f 6f 7a 0a 4c 44 52 42 20 |one192looz.LDRB | 00000c50 52 39 2c 5b 52 31 5d 20 20 20 20 20 20 20 3b 20 |R9,[R1] ; | 00000c60 69 66 20 73 6f 20 6c 6f 61 64 20 69 6e 20 70 69 |if so load in pi| 00000c70 78 65 6c 20 76 61 6c 75 65 0a 53 55 42 20 52 37 |xel value.SUB R7| 00000c80 2c 52 37 2c 23 36 34 0a 43 4d 50 20 52 39 2c 23 |,R7,#64.CMP R9,#| 00000c90 30 0a 2f 2a 42 45 51 20 73 6b 69 70 31 30 2a 2f |0./*BEQ skip10*/| 00000ca0 0a 53 54 52 4e 45 42 20 52 39 2c 5b 52 30 5d 0a |.STRNEB R9,[R0].| 00000cb0 2e 73 6b 69 70 31 30 0a 41 44 44 20 52 30 2c 52 |.skip10.ADD R0,R| 00000cc0 30 2c 23 33 32 30 0a 0a 2e 64 6f 6e 65 31 39 32 |0,#320...done192| 00000cd0 6c 6f 6f 7a 0a 41 44 44 20 52 31 2c 52 31 2c 23 |looz.ADD R1,R1,#| 00000ce0 36 34 0a 41 44 44 20 52 37 2c 52 37 2c 52 33 20 |64.ADD R7,R7,R3 | 00000cf0 20 20 20 20 20 20 20 20 3b 20 61 64 64 20 73 63 | ; add sc| 00000d00 61 6c 65 20 6f 6e 74 6f 20 76 65 72 74 2e 20 65 |ale onto vert. e| 00000d10 72 72 6f 72 20 74 65 72 6d 0a 53 55 42 53 20 52 |rror term.SUBS R| 00000d20 38 2c 52 38 2c 23 31 0a 42 4c 4e 45 20 6c 6f 6f |8,R8,#1.BLNE loo| 00000d30 70 79 31 39 32 6c 6f 6f 7a 20 20 20 20 20 20 20 |py192looz | 00000d40 20 20 3b 20 6c 6f 6f 70 20 69 66 20 73 6f 0a 2e | ; loop if so..| 00000d50 65 6e 64 6f 66 66 75 6e 63 74 69 6f 6e 7a 0a 4c |endoffunctionz.L| 00000d60 44 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 39 |DMFD R13!,{R1-R9| 00000d70 2c 52 31 35 7d 5e 0a 0a 45 58 50 4f 52 54 20 6f |,R15}^..EXPORT o| 00000d80 75 72 6c 69 62 5f 62 61 72 5f 70 6c 6f 74 0a 2e |urlib_bar_plot..| 00000d90 6f 75 72 6c 69 62 5f 62 61 72 5f 70 6c 6f 74 0a |ourlib_bar_plot.| 00000da0 53 54 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 |STMFD R13!,{R1-R| 00000db0 34 2c 52 31 34 7d 0a 3b 20 52 30 20 3d 20 73 63 |4,R14}.; R0 = sc| 00000dc0 72 65 65 6e 20 52 31 20 3d 20 62 61 72 20 52 32 |reen R1 = bar R2| 00000dd0 20 3d 20 73 74 61 72 74 6f 66 66 73 65 74 0a 4d | = startoffset.M| 00000de0 4f 56 20 52 33 2c 23 32 35 30 0a 0a 41 44 44 20 |OV R3,#250..ADD | 00000df0 52 30 2c 52 30 2c 52 32 0a 2e 62 61 72 5f 6c 6f |R0,R0,R2..bar_lo| 00000e00 6f 70 0a 0a 4c 44 52 20 52 32 2c 5b 52 31 5d 2c |op..LDR R2,[R1],| 00000e10 23 34 0a 53 54 52 20 52 32 2c 5b 52 30 5d 2c 23 |#4.STR R2,[R0],#| 00000e20 34 0a 4c 44 52 20 52 32 2c 5b 52 31 5d 2c 23 34 |4.LDR R2,[R1],#4| 00000e30 0a 53 54 52 20 52 32 2c 5b 52 30 5d 2c 23 34 0a |.STR R2,[R0],#4.| 00000e40 4c 44 52 20 52 32 2c 5b 52 31 5d 2c 23 34 0a 53 |LDR R2,[R1],#4.S| 00000e50 54 52 20 52 32 2c 5b 52 30 5d 2c 23 34 0a 4c 44 |TR R2,[R0],#4.LD| 00000e60 52 20 52 32 2c 5b 52 31 5d 2c 23 34 0a 53 54 52 |R R2,[R1],#4.STR| 00000e70 20 52 32 2c 5b 52 30 5d 2c 23 34 0a 4c 44 52 20 | R2,[R0],#4.LDR | 00000e80 52 32 2c 5b 52 31 5d 2c 23 34 0a 53 54 52 20 52 |R2,[R1],#4.STR R| 00000e90 32 2c 5b 52 30 5d 2c 23 34 0a 4c 44 52 20 52 32 |2,[R0],#4.LDR R2| 00000ea0 2c 5b 52 31 5d 2c 23 34 0a 53 54 52 20 52 32 2c |,[R1],#4.STR R2,| 00000eb0 5b 52 30 5d 2c 23 34 0a 4c 44 52 20 52 32 2c 5b |[R0],#4.LDR R2,[| 00000ec0 52 31 5d 2c 23 34 0a 53 54 52 20 52 32 2c 5b 52 |R1],#4.STR R2,[R| 00000ed0 30 5d 2c 23 34 0a 4c 44 52 20 52 32 2c 5b 52 31 |0],#4.LDR R2,[R1| 00000ee0 5d 2c 23 34 0a 53 54 52 20 52 32 2c 5b 52 30 5d |],#4.STR R2,[R0]| 00000ef0 2c 23 34 0a 4c 44 52 20 52 32 2c 5b 52 31 5d 2c |,#4.LDR R2,[R1],| 00000f00 23 34 0a 53 54 52 20 52 32 2c 5b 52 30 5d 2c 23 |#4.STR R2,[R0],#| 00000f10 34 0a 4c 44 52 20 52 32 2c 5b 52 31 5d 2c 23 34 |4.LDR R2,[R1],#4| 00000f20 0a 53 54 52 20 52 32 2c 5b 52 30 5d 2c 23 34 0a |.STR R2,[R0],#4.| 00000f30 4c 44 52 20 52 32 2c 5b 52 31 5d 2c 23 34 0a 53 |LDR R2,[R1],#4.S| 00000f40 54 52 20 52 32 2c 5b 52 30 5d 2c 23 34 0a 4c 44 |TR R2,[R0],#4.LD| 00000f50 52 20 52 32 2c 5b 52 31 5d 2c 23 34 0a 53 54 52 |R R2,[R1],#4.STR| 00000f60 20 52 32 2c 5b 52 30 5d 2c 23 34 0a 4c 44 52 20 | R2,[R0],#4.LDR | 00000f70 52 32 2c 5b 52 31 5d 2c 23 34 0a 53 54 52 20 52 |R2,[R1],#4.STR R| 00000f80 32 2c 5b 52 30 5d 2c 23 34 0a 4c 44 52 20 52 32 |2,[R0],#4.LDR R2| 00000f90 2c 5b 52 31 5d 2c 23 34 0a 53 54 52 20 52 32 2c |,[R1],#4.STR R2,| 00000fa0 5b 52 30 5d 2c 23 34 0a 4c 44 52 20 52 32 2c 5b |[R0],#4.LDR R2,[| 00000fb0 52 31 5d 2c 23 34 0a 53 54 52 20 52 32 2c 5b 52 |R1],#4.STR R2,[R| 00000fc0 30 5d 2c 23 34 0a 4c 44 52 20 52 32 2c 5b 52 31 |0],#4.LDR R2,[R1| 00000fd0 5d 2c 23 34 0a 53 54 52 20 52 32 2c 5b 52 30 5d |],#4.STR R2,[R0]| 00000fe0 2c 23 34 53 55 42 53 20 52 33 2c 52 33 2c 23 31 |,#4SUBS R3,R3,#1| 00000ff0 0a 42 4e 45 20 62 61 72 5f 6c 6f 6f 70 0a 0a 4c |.BNE bar_loop..L| 00001000 44 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 34 |DMFD R13!,{R1-R4| 00001010 2c 52 31 35 7d 5e 0a 0a 45 58 50 4f 52 54 20 6f |,R15}^..EXPORT o| 00001020 75 72 6c 69 62 5f 67 75 6e 5f 70 6c 6f 74 0a 2e |urlib_gun_plot..| 00001030 6f 75 72 6c 69 62 5f 67 75 6e 5f 70 6c 6f 74 0a |ourlib_gun_plot.| 00001040 0a 53 54 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d |.STMFD R13!,{R1-| 00001050 52 31 32 2c 52 31 34 7d 0a 0a 2f 2a 20 52 30 20 |R12,R14}../* R0 | 00001060 3d 20 76 69 64 65 6f 20 52 31 20 3d 67 72 61 70 |= video R1 =grap| 00001070 68 69 63 20 52 32 20 3d 20 77 69 64 74 68 20 52 |hic R2 = width R| 00001080 33 20 3d 68 65 69 67 68 74 20 2a 2f 0a 4d 4f 56 |3 =height */.MOV| 00001090 20 52 35 2c 52 30 0a 0a 2e 79 67 5f 6c 6f 6f 70 | R5,R0...yg_loop| 000010a0 0a 4d 4f 56 20 52 34 2c 52 32 0a 41 44 44 20 52 |.MOV R4,R2.ADD R| 000010b0 30 2c 52 30 2c 23 33 32 30 0a 4d 4f 56 20 52 35 |0,R0,#320.MOV R5| 000010c0 2c 52 30 0a 2e 78 67 5f 6c 6f 6f 70 0a 4c 44 52 |,R0..xg_loop.LDR| 000010d0 42 20 52 36 2c 5b 52 31 5d 2c 23 31 0a 43 4d 50 |B R6,[R1],#1.CMP| 000010e0 20 52 36 2c 23 31 35 31 0a 42 45 51 20 63 6f 6e | R6,#151.BEQ con| 000010f0 74 0a 53 54 52 42 20 52 36 2c 5b 52 35 5d 0a 2e |t.STRB R6,[R5]..| 00001100 63 6f 6e 74 0a 41 44 44 20 52 35 2c 52 35 2c 23 |cont.ADD R5,R5,#| 00001110 31 0a 0a 0a 53 55 42 53 20 52 34 2c 52 34 2c 23 |1...SUBS R4,R4,#| 00001120 31 0a 42 4e 45 20 78 67 5f 6c 6f 6f 70 0a 53 55 |1.BNE xg_loop.SU| 00001130 42 53 20 52 33 2c 52 33 2c 23 31 0a 42 4e 45 20 |BS R3,R3,#1.BNE | 00001140 79 67 5f 6c 6f 6f 70 0a 0a 4c 44 4d 46 44 20 52 |yg_loop..LDMFD R| 00001150 31 33 21 2c 7b 52 31 2d 52 31 32 2c 52 31 35 7d |13!,{R1-R12,R15}| 00001160 0a 0a 0a 45 58 50 4f 52 54 20 6f 75 72 6c 69 62 |...EXPORT ourlib| 00001170 5f 63 68 61 6e 67 65 6d 6f 64 65 0a 2e 6f 75 72 |_changemode..our| 00001180 6c 69 62 5f 63 68 61 6e 67 65 6d 6f 64 65 0a 53 |lib_changemode.S| 00001190 54 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 34 |TMFD R13!,{R1-R4| 000011a0 2c 52 31 34 7d 0a 4d 4f 56 20 52 31 2c 52 30 0a |,R14}.MOV R1,R0.| 000011b0 4d 4f 56 20 52 30 2c 23 32 32 0a 53 57 49 20 4f |MOV R0,#22.SWI O| 000011c0 53 5f 57 72 69 74 65 43 0a 4d 4f 56 20 52 30 2c |S_WriteC.MOV R0,| 000011d0 52 31 0a 53 57 49 20 4f 53 5f 57 72 69 74 65 43 |R1.SWI OS_WriteC| 000011e0 0a 0a 4c 44 4d 46 44 20 52 31 33 21 2c 7b 52 31 |..LDMFD R13!,{R1| 000011f0 2d 52 34 2c 52 31 35 7d 0a 0a 45 58 50 4f 52 54 |-R4,R15}..EXPORT| 00001200 20 6f 75 72 6c 69 62 5f 77 61 69 74 0a 2e 6f 75 | ourlib_wait..ou| 00001210 72 6c 69 62 5f 77 61 69 74 0a 53 54 4d 46 44 20 |rlib_wait.STMFD | 00001220 52 31 33 21 2c 7b 52 31 2d 52 35 2c 52 31 34 7d |R13!,{R1-R5,R14}| 00001230 0a 4d 4f 56 20 52 33 2c 52 30 20 2f 2a 20 43 6f |.MOV R3,R0 /* Co| 00001240 70 79 20 76 61 72 69 61 62 6c 65 20 69 6e 74 6f |py variable into| 00001250 20 73 61 66 65 20 70 6c 61 63 65 20 2a 2f 0a 53 | safe place */.S| 00001260 57 49 20 4f 53 5f 52 65 61 64 4d 6f 6e 6f 74 6f |WI OS_ReadMonoto| 00001270 6e 69 63 54 69 6d 65 0a 41 44 44 20 52 32 2c 52 |nicTime.ADD R2,R| 00001280 30 2c 52 33 0a 2e 74 69 6d 65 5f 6c 6f 6f 70 0a |0,R3..time_loop.| 00001290 53 57 49 20 4f 53 5f 52 65 61 64 4d 6f 6e 6f 74 |SWI OS_ReadMonot| 000012a0 6f 6e 69 63 54 69 6d 65 0a 43 4d 50 20 52 30 2c |onicTime.CMP R0,| 000012b0 52 32 0a 42 4c 45 20 74 69 6d 65 5f 6c 6f 6f 70 |R2.BLE time_loop| 000012c0 0a 4c 44 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d |.LDMFD R13!,{R1-| 000012d0 52 35 2c 52 31 35 7d 5e 0a 0a 45 58 50 4f 52 54 |R5,R15}^..EXPORT| 000012e0 20 6f 75 72 6c 69 62 5f 63 6c 6f 73 65 64 6f 77 | ourlib_closedow| 000012f0 6e 5f 73 63 72 65 65 6e 73 0a 2e 6f 75 72 6c 69 |n_screens..ourli| 00001300 62 5f 63 6c 6f 73 65 64 6f 77 6e 5f 73 63 72 65 |b_closedown_scre| 00001310 65 6e 73 0a 53 54 4d 46 44 20 52 31 33 21 2c 7b |ens.STMFD R13!,{| 00001320 52 31 2d 52 34 2c 52 31 34 7d 0a 4d 4f 56 20 52 |R1-R4,R14}.MOV R| 00001330 30 2c 23 31 31 34 0a 4d 4f 56 20 52 31 2c 23 31 |0,#114.MOV R1,#1| 00001340 0a 53 57 49 20 22 4f 53 5f 42 79 74 65 22 0a 4c |.SWI "OS_Byte".L| 00001350 44 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 34 |DMFD R13!,{R1-R4| 00001360 2c 52 31 35 7d 5e 0a 0a 0a 0a 0a 0a 0a 2e 73 69 |,R15}^........si| 00001370 6d 70 6c 65 6e 75 6d 62 65 72 0a 45 51 55 44 20 |mplenumber.EQUD | 00001380 30 0a 0a 45 58 50 4f 52 54 20 6f 75 72 6c 69 62 |0..EXPORT ourlib| 00001390 5f 73 69 6d 70 6c 65 73 77 69 74 63 68 0a 2e 6f |_simpleswitch..o| 000013a0 75 72 6c 69 62 5f 73 69 6d 70 6c 65 73 77 69 74 |urlib_simpleswit| 000013b0 63 68 0a 53 54 4d 46 44 20 52 31 33 21 2c 7b 52 |ch.STMFD R13!,{R| 000013c0 31 2d 52 35 2c 52 31 34 7d 0a 4c 44 52 20 52 31 |1-R5,R14}.LDR R1| 000013d0 2c 73 69 6d 70 6c 65 6e 75 6d 62 65 72 0a 4d 4f |,simplenumber.MO| 000013e0 56 20 52 30 2c 23 31 31 33 0a 4d 4f 56 20 52 34 |V R0,#113.MOV R4| 000013f0 2c 52 31 0a 53 57 49 20 22 4f 53 5f 42 79 74 65 |,R1.SWI "OS_Byte| 00001400 22 0a 4d 56 4e 20 52 31 2c 52 34 0a 53 54 52 20 |".MVN R1,R4.STR | 00001410 52 31 2c 73 69 6d 70 6c 65 6e 75 6d 62 65 72 0a |R1,simplenumber.| 00001420 4d 4f 56 20 52 30 2c 23 31 31 32 0a 53 57 49 20 |MOV R0,#112.SWI | 00001430 22 4f 53 5f 42 79 74 65 22 0a 4c 44 4d 46 44 20 |"OS_Byte".LDMFD | 00001440 52 31 33 21 2c 7b 52 31 2d 52 35 2c 52 31 35 7d |R13!,{R1-R5,R15}| 00001450 5e 0a 0a 0a 0a 0a 45 58 50 4f 52 54 20 6f 75 72 |^.....EXPORT our| 00001460 6c 69 62 5f 73 65 74 75 70 5f 73 63 72 65 65 6e |lib_setup_screen| 00001470 73 0a 2e 6f 75 72 6c 69 62 5f 73 65 74 75 70 5f |s..ourlib_setup_| 00001480 73 63 72 65 65 6e 73 0a 0a 53 54 4d 46 44 20 52 |screens..STMFD R| 00001490 31 33 21 2c 7b 52 31 2d 52 34 2c 52 31 34 7d 0a |13!,{R1-R4,R14}.| 000014a0 4d 4f 56 20 52 30 2c 23 31 31 34 0a 4d 4f 56 20 |MOV R0,#114.MOV | 000014b0 52 31 2c 23 30 0a 53 57 49 20 22 4f 53 5f 42 79 |R1,#0.SWI "OS_By| 000014c0 74 65 22 0a 0a 4c 44 4d 46 44 20 52 31 33 21 2c |te"..LDMFD R13!,| 000014d0 7b 52 31 2d 52 34 2c 52 31 35 7d 5e 0a 0a 45 58 |{R1-R4,R15}^..EX| 000014e0 50 4f 52 54 20 6f 75 72 6c 69 62 5f 6b 69 6c 6c |PORT ourlib_kill| 000014f0 63 75 72 73 6f 72 0a 2e 6f 75 72 6c 69 62 5f 6b |cursor..ourlib_k| 00001500 69 6c 6c 63 75 72 73 6f 72 0a 53 54 4d 46 44 20 |illcursor.STMFD | 00001510 52 31 33 21 2c 7b 52 31 2d 52 34 2c 52 31 34 7d |R13!,{R1-R4,R14}| 00001520 0a 53 57 49 20 22 4f 53 5f 52 65 6d 6f 76 65 43 |.SWI "OS_RemoveC| 00001530 75 72 73 6f 72 73 22 0a 4c 44 4d 46 44 20 52 31 |ursors".LDMFD R1| 00001540 33 21 2c 7b 52 31 2d 52 34 2c 52 31 35 7d 5e 0a |3!,{R1-R4,R15}^.| 00001550 0a 45 58 50 4f 52 54 20 6f 75 72 6c 69 62 5f 72 |.EXPORT ourlib_r| 00001560 65 76 69 76 65 63 75 72 73 6f 72 0a 2e 6f 75 72 |evivecursor..our| 00001570 6c 69 62 5f 72 65 76 69 76 65 63 75 72 73 6f 72 |lib_revivecursor| 00001580 0a 53 54 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d |.STMFD R13!,{R1-| 00001590 52 34 2c 52 31 34 7d 0a 53 57 49 20 22 4f 53 5f |R4,R14}.SWI "OS_| 000015a0 52 65 73 74 6f 72 65 43 75 72 73 6f 72 73 22 0a |RestoreCursors".| 000015b0 4c 44 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 |LDMFD R13!,{R1-R| 000015c0 34 2c 52 31 35 7d 5e 0a 0a 0a 0a 45 58 50 4f 52 |4,R15}^....EXPOR| 000015d0 54 20 6f 75 72 6c 69 62 5f 73 6c 69 76 65 72 5f |T ourlib_sliver_| 000015e0 74 77 6f 0a 2e 6f 75 72 6c 69 62 5f 73 6c 69 76 |two..ourlib_sliv| 000015f0 65 72 5f 74 77 6f 0a 53 54 4d 46 44 20 52 31 33 |er_two.STMFD R13| 00001600 21 2c 7b 52 31 2d 52 31 32 2c 52 31 34 7d 0a 4c |!,{R1-R12,R14}.L| 00001610 44 4d 49 41 20 52 30 2c 7b 52 30 2d 52 36 7d 0a |DMIA R0,{R0-R6}.| 00001620 0a 43 4d 50 20 52 33 2c 23 32 35 35 0a 4d 4f 56 |.CMP R3,#255.MOV| 00001630 47 45 20 52 33 2c 23 32 35 35 0a 41 44 44 20 52 |GE R3,#255.ADD R| 00001640 31 2c 52 31 2c 52 36 2c 4c 53 4c 20 23 32 0a 41 |1,R1,R6,LSL #2.A| 00001650 44 44 20 52 31 2c 52 31 2c 52 32 0a 4d 4f 56 20 |DD R1,R1,R2.MOV | 00001660 52 38 2c 23 31 32 38 0a 53 55 42 20 52 38 2c 52 |R8,#128.SUB R8,R| 00001670 38 2c 52 33 2c 4c 53 52 20 23 31 0a 41 44 44 20 |8,R3,LSR #1.ADD | 00001680 52 34 2c 52 34 2c 52 38 2c 4c 53 4c 20 23 38 0a |R4,R4,R8,LSL #8.| 00001690 41 44 44 20 52 34 2c 52 34 2c 52 38 2c 4c 53 4c |ADD R4,R4,R8,LSL| 000016a0 20 23 36 0a 41 44 44 20 52 30 2c 52 30 2c 52 34 | #6.ADD R0,R0,R4| 000016b0 0a 4d 4f 56 20 52 31 30 2c 23 30 0a 4d 4f 56 20 |.MOV R10,#0.MOV | 000016c0 52 38 2c 52 33 0a 4d 4f 56 20 52 33 2c 52 31 0a |R8,R3.MOV R3,R1.| 000016d0 2e 6c 6f 6f 6f 70 0a 4c 44 52 42 20 52 39 2c 5b |.looop.LDRB R9,[| 000016e0 52 31 2c 52 31 30 2c 4c 53 4c 20 23 36 5d 20 20 |R1,R10,LSL #6] | 000016f0 20 20 20 20 20 3b 20 69 66 20 73 6f 20 6c 6f 61 | ; if so loa| 00001700 64 20 69 6e 20 70 69 78 65 6c 20 76 61 6c 75 65 |d in pixel value| 00001710 0a 53 54 52 42 20 52 39 2c 5b 52 30 5d 2c 23 33 |.STRB R9,[R0],#3| 00001720 32 30 0a 41 44 44 20 52 31 30 2c 52 31 30 2c 52 |20.ADD R10,R10,R| 00001730 35 0a 4d 4f 56 20 52 31 30 2c 52 31 30 2c 4c 53 |5.MOV R10,R10,LS| 00001740 52 20 23 38 0a 53 55 42 53 20 52 38 2c 52 38 2c |R #8.SUBS R8,R8,| 00001750 23 31 0a 42 4e 45 20 6c 6f 6f 6f 70 0a 0a 20 4c |#1.BNE looop.. L| 00001760 44 4d 46 44 20 52 31 33 21 2c 7b 52 30 2d 52 31 |DMFD R13!,{R0-R1| 00001770 32 2c 52 31 35 7d 5e 0a 0a 45 58 50 4f 52 54 20 |2,R15}^..EXPORT | 00001780 6f 75 72 6c 69 62 5f 73 6c 69 76 65 72 0a 2e 6f |ourlib_sliver..o| 00001790 75 72 6c 69 62 5f 73 6c 69 76 65 72 0a 53 54 4d |urlib_sliver.STM| 000017a0 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 31 32 2c |FD R13!,{R1-R12,| 000017b0 52 31 34 7d 0a 4c 44 4d 49 41 20 52 30 2c 7b 52 |R14}.LDMIA R0,{R| 000017c0 30 2d 52 34 7d 0a 0a 43 4d 50 20 52 33 2c 52 32 |0-R4}..CMP R3,R2| 000017d0 0a 4d 4f 56 47 45 20 52 33 2c 52 32 0a 0a 2f 2a |.MOVGE R3,R2../*| 000017e0 2e 6e 6f 63 6c 69 70 70 69 6e 67 0a 41 44 44 20 |.noclipping.ADD | 000017f0 52 31 2c 52 31 2c 52 36 2c 4c 53 4c 20 23 31 32 |R1,R1,R6,LSL #12| 00001800 20 3b 20 63 61 6c 63 75 6c 61 74 65 20 6f 66 66 | ; calculate off| 00001810 73 65 74 20 69 6e 20 77 61 6c 6c 73 5b 5d 5b 5d |set in walls[][]| 00001820 20 61 72 72 61 79 0a 41 44 44 20 52 31 2c 52 31 | array.ADD R1,R1| 00001830 2c 52 32 20 20 20 20 20 20 20 20 20 3b 20 61 64 |,R2 ; ad| 00001840 64 20 74 68 65 20 63 6f 6c 75 6d 6e 20 74 6f 20 |d the column to | 00001850 74 68 69 73 0a 2a 2f 0a 0a 4d 4f 56 20 52 38 2c |this.*/..MOV R8,| 00001860 23 31 32 38 0a 53 55 42 20 52 38 2c 52 38 2c 52 |#128.SUB R8,R8,R| 00001870 33 2c 4c 53 52 20 23 31 20 3b 20 73 65 74 20 73 |3,LSR #1 ; set s| 00001880 74 61 72 74 20 79 20 70 6f 73 0a 41 44 44 20 52 |tart y pos.ADD R| 00001890 34 2c 52 34 2c 52 38 2c 4c 53 4c 20 23 38 20 3b |4,R4,R8,LSL #8 ;| 000018a0 20 77 6f 72 6b 20 6f 75 74 20 75 73 75 61 6c 20 | work out usual | 000018b0 73 63 72 65 65 6e 20 28 33 32 30 78 32 35 36 29 |screen (320x256)| 000018c0 0a 41 44 44 20 52 34 2c 52 34 2c 52 38 2c 4c 53 |.ADD R4,R4,R8,LS| 000018d0 4c 20 23 36 20 3b 20 6f 66 66 73 65 74 20 74 6f |L #6 ; offset to| 000018e0 20 62 65 67 69 6e 20 6c 6f 6f 70 0a 41 44 44 20 | begin loop.ADD | 000018f0 52 30 2c 52 30 2c 52 34 0a 0a 4d 4f 56 20 52 38 |R0,R0,R4..MOV R8| 00001900 2c 23 36 34 20 20 20 20 20 20 20 20 3b 20 73 74 |,#64 ; st| 00001910 61 72 74 20 6c 6f 6f 70 20 63 6f 75 6e 74 65 72 |art loop counter| 00001920 0a 4d 4f 56 20 52 37 2c 52 38 0a 0a 43 4d 50 20 |.MOV R7,R8..CMP | 00001930 52 33 2c 23 36 34 0a 42 4c 4c 45 20 6c 6f 6f 70 |R3,#64.BLLE loop| 00001940 79 36 34 6c 6f 6f 0a 43 4d 50 20 52 33 2c 23 31 |y64loo.CMP R3,#1| 00001950 32 37 0a 42 4c 4c 45 20 6c 6f 6f 70 79 31 32 37 |27.BLLE loopy127| 00001960 6c 6f 6f 0a 43 4d 50 20 52 33 2c 23 31 39 31 0a |loo.CMP R3,#191.| 00001970 42 4c 4c 45 20 6c 6f 6f 70 79 31 39 31 6c 6f 6f |BLLE loopy191loo| 00001980 0a 42 4c 20 6c 6f 6f 70 79 31 39 32 6c 6f 6f 0a |.BL loopy192loo.| 00001990 2e 6c 6f 6f 70 79 36 34 6c 6f 6f 0a 2e 64 6f 64 |.loopy64loo..dod| 000019a0 64 6c 65 36 34 0a 43 4d 50 20 52 37 2c 23 36 34 |dle64.CMP R7,#64| 000019b0 0a 42 4c 4c 54 20 64 6f 6e 65 36 34 6c 6f 6f 0a |.BLLT done64loo.| 000019c0 4c 44 52 42 20 52 39 2c 5b 52 31 5d 20 20 20 20 |LDRB R9,[R1] | 000019d0 20 20 20 3b 20 69 66 20 73 6f 20 6c 6f 61 64 20 | ; if so load | 000019e0 69 6e 20 70 69 78 65 6c 20 76 61 6c 75 65 0a 53 |in pixel value.S| 000019f0 54 52 42 20 52 39 2c 5b 52 30 5d 2c 23 33 32 30 |TRB R9,[R0],#320| 00001a00 0a 53 55 42 20 52 37 2c 52 37 2c 23 36 34 0a 2e |.SUB R7,R7,#64..| 00001a10 64 6f 6e 65 36 34 6c 6f 6f 0a 41 44 44 20 52 31 |done64loo.ADD R1| 00001a20 2c 52 31 2c 23 36 34 0a 41 44 44 20 52 37 2c 52 |,R1,#64.ADD R7,R| 00001a30 37 2c 52 33 20 20 20 20 20 20 20 20 20 3b 20 61 |7,R3 ; a| 00001a40 64 64 20 73 63 61 6c 65 20 6f 6e 74 6f 20 76 65 |dd scale onto ve| 00001a50 72 74 2e 20 65 72 72 6f 72 20 74 65 72 6d 0a 53 |rt. error term.S| 00001a60 55 42 53 20 52 38 2c 52 38 2c 23 31 0a 42 4c 4e |UBS R8,R8,#1.BLN| 00001a70 45 20 6c 6f 6f 70 79 36 34 6c 6f 6f 20 20 20 20 |E loopy64loo | 00001a80 20 20 20 20 20 3b 20 6c 6f 6f 70 20 69 66 20 73 | ; loop if s| 00001a90 6f 0a 0a 4c 44 4d 46 44 20 52 31 33 21 2c 7b 52 |o..LDMFD R13!,{R| 00001aa0 31 2d 52 31 32 2c 52 31 35 7d 5e 0a 2f 2a 4d 4f |1-R12,R15}^./*MO| 00001ab0 56 53 20 50 43 2c 52 31 34 2a 2f 0a 0a 0a 2e 6c |VS PC,R14*/....l| 00001ac0 6f 6f 70 79 31 32 37 6c 6f 6f 0a 2e 64 6f 64 64 |oopy127loo..dodd| 00001ad0 6c 65 31 32 37 0a 43 4d 50 20 52 37 2c 23 36 34 |le127.CMP R7,#64| 00001ae0 0a 4c 44 52 42 20 52 39 2c 5b 52 31 5d 20 20 20 |.LDRB R9,[R1] | 00001af0 20 20 20 20 3b 20 69 66 20 73 6f 20 6c 6f 61 64 | ; if so load| 00001b00 20 69 6e 20 70 69 78 65 6c 20 76 61 6c 75 65 0a | in pixel value.| 00001b10 53 54 52 42 20 52 39 2c 5b 52 30 5d 2c 23 33 32 |STRB R9,[R0],#32| 00001b20 30 0a 53 55 42 20 52 37 2c 52 37 2c 23 36 34 0a |0.SUB R7,R7,#64.| 00001b30 43 4d 50 20 52 37 2c 23 36 34 0a 42 4c 4c 54 20 |CMP R7,#64.BLLT | 00001b40 64 6f 6e 65 31 32 37 6c 6f 6f 0a 4c 44 52 42 20 |done127loo.LDRB | 00001b50 52 39 2c 5b 52 31 5d 20 20 20 20 20 20 20 3b 20 |R9,[R1] ; | 00001b60 69 66 20 73 6f 20 6c 6f 61 64 20 69 6e 20 70 69 |if so load in pi| 00001b70 78 65 6c 20 76 61 6c 75 65 0a 53 54 52 42 20 52 |xel value.STRB R| 00001b80 39 2c 5b 52 30 5d 2c 23 33 32 30 0a 53 55 42 20 |9,[R0],#320.SUB | 00001b90 52 37 2c 52 37 2c 23 36 34 0a 2e 64 6f 6e 65 31 |R7,R7,#64..done1| 00001ba0 32 37 6c 6f 6f 0a 41 44 44 20 52 31 2c 52 31 2c |27loo.ADD R1,R1,| 00001bb0 23 36 34 0a 41 44 44 20 52 37 2c 52 37 2c 52 33 |#64.ADD R7,R7,R3| 00001bc0 20 20 20 20 20 20 20 20 20 3b 20 61 64 64 20 73 | ; add s| 00001bd0 63 61 6c 65 20 6f 6e 74 6f 20 76 65 72 74 2e 20 |cale onto vert. | 00001be0 65 72 72 6f 72 20 74 65 72 6d 0a 53 55 42 53 20 |error term.SUBS | 00001bf0 52 38 2c 52 38 2c 23 31 0a 42 4c 4e 45 20 6c 6f |R8,R8,#1.BLNE lo| 00001c00 6f 70 79 31 32 37 6c 6f 6f 20 20 20 20 20 20 20 |opy127loo | 00001c10 20 20 3b 20 6c 6f 6f 70 20 69 66 20 73 6f 0a 4c | ; loop if so.L| 00001c20 44 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 31 |DMFD R13!,{R1-R1| 00001c30 32 2c 52 31 35 7d 5e 0a 0a 2f 2a 4d 4f 56 53 20 |2,R15}^../*MOVS | 00001c40 50 43 2c 52 31 34 2a 2f 0a 0a 0a 2e 6c 6f 6f 70 |PC,R14*/....loop| 00001c50 79 31 39 31 6c 6f 6f 0a 2e 64 6f 64 64 6c 65 31 |y191loo..doddle1| 00001c60 39 31 0a 43 4d 50 20 52 37 2c 23 36 34 0a 4c 44 |91.CMP R7,#64.LD| 00001c70 52 42 20 52 39 2c 5b 52 31 5d 20 20 20 20 20 20 |RB R9,[R1] | 00001c80 20 3b 20 69 66 20 73 6f 20 6c 6f 61 64 20 69 6e | ; if so load in| 00001c90 20 70 69 78 65 6c 20 76 61 6c 75 65 0a 53 54 52 | pixel value.STR| 00001ca0 42 20 52 39 2c 5b 52 30 5d 2c 23 33 32 30 0a 53 |B R9,[R0],#320.S| 00001cb0 55 42 20 52 37 2c 52 37 2c 23 36 34 0a 43 4d 50 |UB R7,R7,#64.CMP| 00001cc0 20 52 37 2c 23 36 34 0a 4c 44 52 42 20 52 39 2c | R7,#64.LDRB R9,| 00001cd0 5b 52 31 5d 20 20 20 20 20 20 20 3b 20 69 66 20 |[R1] ; if | 00001ce0 73 6f 20 6c 6f 61 64 20 69 6e 20 70 69 78 65 6c |so load in pixel| 00001cf0 20 76 61 6c 75 65 0a 53 54 52 42 20 52 39 2c 5b | value.STRB R9,[| 00001d00 52 30 5d 2c 23 33 32 30 0a 53 55 42 20 52 37 2c |R0],#320.SUB R7,| 00001d10 52 37 2c 23 36 34 0a 43 4d 50 20 52 37 2c 23 36 |R7,#64.CMP R7,#6| 00001d20 34 0a 42 4c 54 20 64 6f 6e 65 31 39 31 6c 6f 6f |4.BLT done191loo| 00001d30 0a 4c 44 52 42 20 52 39 2c 5b 52 31 5d 20 20 20 |.LDRB R9,[R1] | 00001d40 20 20 20 20 3b 20 69 66 20 73 6f 20 6c 6f 61 64 | ; if so load| 00001d50 20 69 6e 20 70 69 78 65 6c 20 76 61 6c 75 65 0a | in pixel value.| 00001d60 53 54 52 42 20 52 39 2c 5b 52 30 5d 2c 23 33 32 |STRB R9,[R0],#32| 00001d70 30 0a 53 55 42 20 52 37 2c 52 37 2c 23 36 34 0a |0.SUB R7,R7,#64.| 00001d80 2e 64 6f 6e 65 31 39 31 6c 6f 6f 0a 41 44 44 20 |.done191loo.ADD | 00001d90 52 31 2c 52 31 2c 23 36 34 0a 41 44 44 20 52 37 |R1,R1,#64.ADD R7| 00001da0 2c 52 37 2c 52 33 20 20 20 20 20 20 20 20 20 3b |,R7,R3 ;| 00001db0 20 61 64 64 20 73 63 61 6c 65 20 6f 6e 74 6f 20 | add scale onto | 00001dc0 76 65 72 74 2e 20 65 72 72 6f 72 20 74 65 72 6d |vert. error term| 00001dd0 0a 53 55 42 53 20 52 38 2c 52 38 2c 23 31 0a 42 |.SUBS R8,R8,#1.B| 00001de0 4c 4e 45 20 6c 6f 6f 70 79 31 39 31 6c 6f 6f 20 |LNE loopy191loo | 00001df0 20 20 20 20 20 20 20 20 3b 20 6c 6f 6f 70 20 69 | ; loop i| 00001e00 66 20 73 6f 0a 4c 44 4d 46 44 20 52 31 33 21 2c |f so.LDMFD R13!,| 00001e10 7b 52 31 2d 52 31 32 2c 52 31 35 7d 5e 0a 2f 2a |{R1-R12,R15}^./*| 00001e20 4d 4f 56 53 20 50 43 2c 52 31 34 2a 2f 0a 0a 0a |MOVS PC,R14*/...| 00001e30 2e 6c 6f 6f 70 79 31 39 32 6c 6f 6f 0a 2e 64 6f |.loopy192loo..do| 00001e40 64 64 6c 65 31 39 32 0a 43 4d 50 20 52 37 2c 23 |ddle192.CMP R7,#| 00001e50 36 34 0a 4c 44 52 42 20 52 39 2c 5b 52 31 5d 20 |64.LDRB R9,[R1] | 00001e60 20 20 20 20 20 20 3b 20 69 66 20 73 6f 20 6c 6f | ; if so lo| 00001e70 61 64 20 69 6e 20 70 69 78 65 6c 20 76 61 6c 75 |ad in pixel valu| 00001e80 65 0a 53 54 52 42 20 52 39 2c 5b 52 30 5d 2c 23 |e.STRB R9,[R0],#| 00001e90 33 32 30 0a 53 55 42 20 52 37 2c 52 37 2c 23 36 |320.SUB R7,R7,#6| 00001ea0 34 0a 43 4d 50 20 52 37 2c 23 36 34 0a 4c 44 52 |4.CMP R7,#64.LDR| 00001eb0 42 20 52 39 2c 5b 52 31 5d 20 20 20 20 20 20 20 |B R9,[R1] | 00001ec0 3b 20 69 66 20 73 6f 20 6c 6f 61 64 20 69 6e 20 |; if so load in | 00001ed0 70 69 78 65 6c 20 76 61 6c 75 65 0a 53 54 52 42 |pixel value.STRB| 00001ee0 20 52 39 2c 5b 52 30 5d 2c 23 33 32 30 0a 53 55 | R9,[R0],#320.SU| 00001ef0 42 20 52 37 2c 52 37 2c 23 36 34 0a 43 4d 50 20 |B R7,R7,#64.CMP | 00001f00 52 37 2c 23 36 34 0a 4c 44 52 42 20 52 39 2c 5b |R7,#64.LDRB R9,[| 00001f10 52 31 5d 20 20 20 20 20 20 20 3b 20 69 66 20 73 |R1] ; if s| 00001f20 6f 20 6c 6f 61 64 20 69 6e 20 70 69 78 65 6c 20 |o load in pixel | 00001f30 76 61 6c 75 65 0a 53 54 52 42 20 52 39 2c 5b 52 |value.STRB R9,[R| 00001f40 30 5d 2c 23 33 32 30 0a 53 55 42 20 52 37 2c 52 |0],#320.SUB R7,R| 00001f50 37 2c 23 36 34 0a 43 4d 50 20 52 37 2c 23 36 34 |7,#64.CMP R7,#64| 00001f60 0a 42 4c 4c 54 20 64 6f 6e 65 31 39 32 6c 6f 6f |.BLLT done192loo| 00001f70 0a 4c 44 52 42 20 52 39 2c 5b 52 31 5d 20 20 20 |.LDRB R9,[R1] | 00001f80 20 20 20 20 3b 20 69 66 20 73 6f 20 6c 6f 61 64 | ; if so load| 00001f90 20 69 6e 20 70 69 78 65 6c 20 76 61 6c 75 65 0a | in pixel value.| 00001fa0 53 54 52 42 20 52 39 2c 5b 52 30 5d 2c 23 33 32 |STRB R9,[R0],#32| 00001fb0 30 0a 53 55 42 20 52 37 2c 52 37 2c 23 36 34 0a |0.SUB R7,R7,#64.| 00001fc0 2e 64 6f 6e 65 31 39 32 6c 6f 6f 0a 41 44 44 20 |.done192loo.ADD | 00001fd0 52 31 2c 52 31 2c 23 36 34 0a 41 44 44 20 52 37 |R1,R1,#64.ADD R7| 00001fe0 2c 52 37 2c 52 33 20 20 20 20 20 20 20 20 20 3b |,R7,R3 ;| 00001ff0 20 61 64 64 20 73 63 61 6c 65 20 6f 6e 74 6f 20 | add scale onto | 00002000 76 65 72 74 2e 20 65 72 72 6f 72 20 74 65 72 6d |vert. error term| 00002010 0a 53 55 42 53 20 52 38 2c 52 38 2c 23 31 0a 42 |.SUBS R8,R8,#1.B| 00002020 4c 4e 45 20 6c 6f 6f 70 79 31 39 32 6c 6f 6f 20 |LNE loopy192loo | 00002030 20 20 20 20 20 20 20 20 3b 20 6c 6f 6f 70 20 69 | ; loop i| 00002040 66 20 73 6f 0a 2e 65 6e 64 6f 66 66 75 6e 63 74 |f so..endoffunct| 00002050 69 6f 6e 0a 4c 44 4d 46 44 20 52 31 33 21 2c 7b |ion.LDMFD R13!,{| 00002060 52 31 2d 52 31 32 2c 52 31 35 7d 5e 0a 2f 2a 4d |R1-R12,R15}^./*M| 00002070 4f 56 53 20 50 43 2c 52 31 34 5e 2a 2f 0a 0a 45 |OVS PC,R14^*/..E| 00002080 58 50 4f 52 54 20 6f 75 72 6c 69 62 5f 73 6c 69 |XPORT ourlib_sli| 00002090 76 65 72 78 0a 2e 6f 75 72 6c 69 62 5f 73 6c 69 |verx..ourlib_sli| 000020a0 76 65 72 78 0a 53 54 4d 46 44 20 52 31 33 21 2c |verx.STMFD R13!,| 000020b0 7b 52 30 2d 52 31 32 2c 52 31 34 7d 0a 4c 44 4d |{R0-R12,R14}.LDM| 000020c0 49 41 20 52 30 2c 7b 52 30 2d 52 37 7d 0a 4d 4f |IA R0,{R0-R7}.MO| 000020d0 56 20 52 31 30 2c 23 32 35 36 0a 43 4d 50 20 52 |V R10,#256.CMP R| 000020e0 33 2c 52 35 0a 4d 4f 56 47 45 20 52 33 2c 52 35 |3,R5.MOVGE R3,R5| 000020f0 0a 0a 2e 6e 6f 63 6c 69 70 70 69 6e 67 78 0a 41 |...noclippingx.A| 00002100 44 44 20 52 31 2c 52 31 2c 52 36 2c 4c 53 4c 20 |DD R1,R1,R6,LSL | 00002110 23 31 32 20 3b 20 63 61 6c 63 75 6c 61 74 65 20 |#12 ; calculate | 00002120 6f 66 66 73 65 74 20 69 6e 20 77 61 6c 6c 73 5b |offset in walls[| 00002130 5d 5b 5d 20 61 72 72 61 79 0a 41 44 44 20 52 31 |][] array.ADD R1| 00002140 2c 52 31 2c 52 32 20 20 20 20 20 20 20 20 20 3b |,R1,R2 ;| 00002150 20 61 64 64 20 74 68 65 20 63 6f 6c 75 6d 6e 20 | add the column | 00002160 74 6f 20 74 68 69 73 0a 4d 4f 56 20 52 38 2c 23 |to this.MOV R8,#| 00002170 31 30 30 0a 53 55 42 20 52 38 2c 52 38 2c 52 33 |100.SUB R8,R8,R3| 00002180 2c 4c 53 52 20 23 31 20 3b 20 73 65 74 20 73 74 |,LSR #1 ; set st| 00002190 61 72 74 20 79 20 70 6f 73 0a 41 44 44 20 52 34 |art y pos.ADD R4| 000021a0 2c 52 34 2c 52 38 2c 4c 53 4c 20 23 38 20 3b 20 |,R4,R8,LSL #8 ; | 000021b0 77 6f 72 6b 20 6f 75 74 20 75 73 75 61 6c 20 73 |work out usual s| 000021c0 63 72 65 65 6e 20 28 33 32 30 78 32 35 36 29 0a |creen (320x256).| 000021d0 41 44 44 20 52 34 2c 52 34 2c 52 38 2c 4c 53 4c |ADD R4,R4,R8,LSL| 000021e0 20 23 36 20 3b 20 6f 66 66 73 65 74 20 74 6f 20 | #6 ; offset to | 000021f0 62 65 67 69 6e 20 6c 6f 6f 70 0a 41 44 44 20 52 |begin loop.ADD R| 00002200 30 2c 52 30 2c 52 34 0a 0a 3b 20 73 65 74 75 70 |0,R0,R4..; setup| 00002210 20 69 6e 63 20 61 6e 64 20 66 69 78 65 64 0a 4d | inc and fixed.M| 00002220 4f 56 20 52 39 2c 23 30 2c 4c 53 4c 20 23 31 36 |OV R9,#0,LSL #16| 00002230 0a 4d 4f 56 20 52 31 31 2c 23 30 0a 3b 20 52 33 |.MOV R11,#0.; R3| 00002240 20 68 6f 6c 64 73 20 63 6f 75 6e 74 65 72 0a 2e | holds counter..| 00002250 6c 6f 6f 70 78 78 78 0a 4c 44 52 42 20 52 31 30 |loopxxx.LDRB R10| 00002260 2c 5b 52 31 2c 52 31 31 2c 4c 53 4c 20 23 36 5d |,[R1,R11,LSL #6]| 00002270 0a 53 54 52 42 20 52 31 30 2c 5b 52 30 5d 2c 23 |.STRB R10,[R0],#| 00002280 33 32 30 0a 41 44 44 20 52 39 2c 52 39 2c 52 37 |320.ADD R9,R9,R7| 00002290 0a 4d 4f 56 20 52 31 31 2c 52 39 2c 4c 53 52 20 |.MOV R11,R9,LSR | 000022a0 23 31 36 0a 0a 3b 65 6e 64 78 78 78 0a 53 55 42 |#16..;endxxx.SUB| 000022b0 53 20 52 33 2c 52 33 2c 23 31 0a 42 4e 45 20 6c |S R3,R3,#1.BNE l| 000022c0 6f 6f 70 78 78 78 0a 0a 0a 4c 44 4d 46 44 20 52 |oopxxx...LDMFD R| 000022d0 31 33 21 2c 7b 52 30 2d 52 31 32 2c 52 31 35 7d |13!,{R0-R12,R15}| 000022e0 5e 0a 2f 2a 4d 4f 56 53 20 50 43 2c 52 31 34 5e |^./*MOVS PC,R14^| 000022f0 2a 2f 0a 0a 45 58 50 4f 52 54 20 6f 75 72 6c 69 |*/..EXPORT ourli| 00002300 62 5f 73 6c 6f 77 63 6c 65 61 72 0a 2e 6f 75 72 |b_slowclear..our| 00002310 6c 69 62 5f 73 6c 6f 77 63 6c 65 61 72 0a 53 54 |lib_slowclear.ST| 00002320 4d 46 44 20 52 31 33 21 2c 7b 52 30 2d 52 35 2c |MFD R13!,{R0-R5,| 00002330 52 31 34 7d 0a 0a 2e 63 6c 65 61 72 69 6e 67 0a |R14}...clearing.| 00002340 53 54 52 42 20 52 32 2c 5b 52 30 2c 52 31 5d 0a |STRB R2,[R0,R1].| 00002350 53 55 42 53 20 52 31 2c 52 31 2c 23 31 0a 42 4e |SUBS R1,R1,#1.BN| 00002360 45 20 63 6c 65 61 72 69 6e 67 0a 4c 44 4d 46 44 |E clearing.LDMFD| 00002370 20 52 31 33 21 2c 7b 52 30 2d 52 35 2c 52 31 35 | R13!,{R0-R5,R15| 00002380 7d 0a 0a 45 58 50 4f 52 54 20 6f 75 72 6c 69 62 |}..EXPORT ourlib| 00002390 5f 66 61 73 74 63 6c 67 5f 74 77 6f 0a 2e 6f 75 |_fastclg_two..ou| 000023a0 72 6c 69 62 5f 66 61 73 74 63 6c 67 5f 74 77 6f |rlib_fastclg_two| 000023b0 0a 0a 53 54 4d 46 44 20 52 31 33 21 2c 7b 52 30 |..STMFD R13!,{R0| 000023c0 2d 52 31 32 2c 52 31 34 7d 0a 0a 4d 4f 56 20 52 |-R12,R14}..MOV R| 000023d0 34 2c 23 31 32 38 0a 0a 53 55 42 20 52 34 2c 52 |4,#128..SUB R4,R| 000023e0 34 2c 52 32 2c 41 53 52 20 23 31 0a 41 44 44 20 |4,R2,ASR #1.ADD | 000023f0 52 31 31 2c 52 30 2c 52 34 2c 4c 53 4c 20 23 38 |R11,R0,R4,LSL #8| 00002400 0a 41 44 44 20 52 31 31 2c 52 31 31 2c 52 34 2c |.ADD R11,R11,R4,| 00002410 4c 53 4c 20 23 36 0a 4d 4f 56 20 52 31 30 2c 52 |LSL #6.MOV R10,R| 00002420 31 31 20 3b 20 73 74 61 72 74 20 6f 66 66 73 65 |11 ; start offse| 00002430 74 20 63 61 6c 63 75 6c 61 74 65 64 0a 4d 4f 56 |t calculated.MOV| 00002440 20 52 39 2c 52 31 0a 0a 4d 4f 56 20 52 31 32 2c | R9,R1..MOV R12,| 00002450 52 32 2c 4c 53 52 20 23 31 0a 0a 4c 44 52 20 52 |R2,LSR #1..LDR R| 00002460 30 2c 74 6f 70 63 6f 6c 6f 75 72 0a 4d 4f 56 20 |0,topcolour.MOV | 00002470 52 31 2c 52 30 0a 4d 4f 56 20 52 32 2c 52 30 0a |R1,R0.MOV R2,R0.| 00002480 4d 4f 56 20 52 33 2c 52 30 0a 4d 4f 56 20 52 34 |MOV R3,R0.MOV R4| 00002490 2c 52 30 0a 4d 4f 56 20 52 35 2c 52 30 0a 4d 4f |,R0.MOV R5,R0.MO| 000024a0 56 20 52 36 2c 52 30 0a 4d 4f 56 20 52 37 2c 52 |V R6,R0.MOV R7,R| 000024b0 30 0a 0a 4d 4f 56 20 52 31 34 2c 52 31 32 0a 2e |0..MOV R14,R12..| 000024c0 79 5f 6c 6f 6f 70 0a 4d 4f 56 20 52 38 2c 52 39 |y_loop.MOV R8,R9| 000024d0 2c 4c 53 52 20 23 35 0a 2e 78 5f 6c 6f 6f 70 0a |,LSR #5..x_loop.| 000024e0 0a 53 54 4d 49 41 20 52 31 31 21 2c 7b 52 30 2d |.STMIA R11!,{R0-| 000024f0 52 37 7d 0a 53 55 42 53 20 52 38 2c 52 38 2c 23 |R7}.SUBS R8,R8,#| 00002500 31 0a 42 4e 45 20 78 5f 6c 6f 6f 70 0a 0a 41 44 |1.BNE x_loop..AD| 00002510 44 20 52 31 30 2c 52 31 30 2c 23 33 32 30 0a 4d |D R10,R10,#320.M| 00002520 4f 56 20 52 31 31 2c 52 31 30 0a 0a 53 55 42 53 |OV R11,R10..SUBS| 00002530 20 52 31 32 2c 52 31 32 2c 23 31 0a 42 4e 45 20 | R12,R12,#1.BNE | 00002540 79 5f 6c 6f 6f 70 0a 0a 4c 44 52 20 52 30 2c 62 |y_loop..LDR R0,b| 00002550 6f 74 74 6f 6d 63 6f 6c 6f 75 72 0a 4d 4f 56 20 |ottomcolour.MOV | 00002560 52 31 2c 52 30 0a 4d 4f 56 20 52 32 2c 52 30 0a |R1,R0.MOV R2,R0.| 00002570 4d 4f 56 20 52 33 2c 52 30 0a 4d 4f 56 20 52 34 |MOV R3,R0.MOV R4| 00002580 2c 52 30 0a 4d 4f 56 20 52 35 2c 52 30 0a 4d 4f |,R0.MOV R5,R0.MO| 00002590 56 20 52 36 2c 52 30 0a 4d 4f 56 20 52 37 2c 52 |V R6,R0.MOV R7,R| 000025a0 30 0a 4d 4f 56 20 52 31 32 2c 52 31 34 0a 2e 79 |0.MOV R12,R14..y| 000025b0 5f 6c 6f 6f 70 62 0a 4d 4f 56 20 52 38 2c 52 39 |_loopb.MOV R8,R9| 000025c0 2c 4c 53 52 20 23 35 0a 2e 78 5f 6c 6f 6f 70 62 |,LSR #5..x_loopb| 000025d0 0a 0a 53 54 4d 49 41 20 52 31 31 21 2c 7b 52 30 |..STMIA R11!,{R0| 000025e0 2d 52 37 7d 0a 53 55 42 53 20 52 38 2c 52 38 2c |-R7}.SUBS R8,R8,| 000025f0 23 31 0a 42 4e 45 20 78 5f 6c 6f 6f 70 62 0a 0a |#1.BNE x_loopb..| 00002600 41 44 44 20 52 31 30 2c 52 31 30 2c 23 33 32 30 |ADD R10,R10,#320| 00002610 0a 4d 4f 56 20 52 31 31 2c 52 31 30 0a 0a 53 55 |.MOV R11,R10..SU| 00002620 42 53 20 52 31 32 2c 52 31 32 2c 23 31 0a 42 4e |BS R12,R12,#1.BN| 00002630 45 20 79 5f 6c 6f 6f 70 62 0a 0a 0a 0a 0a 0a 0a |E y_loopb.......| 00002640 0a 0a 0a 0a 4c 44 4d 46 44 20 52 31 33 21 2c 7b |....LDMFD R13!,{| 00002650 52 30 2d 52 31 32 2c 52 31 35 7d 5e 0a 0a 0a 45 |R0-R12,R15}^...E| 00002660 58 50 4f 52 54 20 6f 75 72 6c 69 62 5f 66 61 73 |XPORT ourlib_fas| 00002670 74 63 6c 67 0a 2e 6f 75 72 6c 69 62 5f 66 61 73 |tclg..ourlib_fas| 00002680 74 63 6c 67 0a 53 54 4d 46 44 20 52 31 33 21 2c |tclg.STMFD R13!,| 00002690 7b 52 31 2d 52 31 32 2c 52 31 34 7d 0a 0a 0a 4d |{R1-R12,R14}...M| 000026a0 4f 56 20 52 31 31 2c 52 30 0a 0a 0a 4d 4f 56 20 |OV R11,R0...MOV | 000026b0 52 31 30 2c 23 33 32 0a 0a 4c 44 52 20 52 30 2c |R10,#32..LDR R0,| 000026c0 74 6f 70 63 6f 6c 6f 75 72 0a 4d 4f 56 20 52 30 |topcolour.MOV R0| 000026d0 2c 52 30 0a 4d 4f 56 20 52 31 2c 52 30 0a 4d 4f |,R0.MOV R1,R0.MO| 000026e0 56 20 52 32 2c 52 30 0a 4d 4f 56 20 52 33 2c 52 |V R2,R0.MOV R3,R| 000026f0 30 0a 4d 4f 56 20 52 34 2c 52 30 0a 4d 4f 56 20 |0.MOV R4,R0.MOV | 00002700 52 35 2c 52 30 0a 4d 4f 56 20 52 36 2c 52 30 0a |R5,R0.MOV R6,R0.| 00002710 4d 4f 56 20 52 37 2c 52 30 0a 4d 4f 56 20 52 38 |MOV R7,R0.MOV R8| 00002720 2c 52 30 0a 4d 4f 56 20 52 39 2c 52 30 0a 2e 66 |,R0.MOV R9,R0..f| 00002730 61 73 74 0a 53 54 4d 49 41 20 20 52 31 31 21 2c |ast.STMIA R11!,| 00002740 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 |{R0-R9}.STMIA R| 00002750 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 |11!,{R0-R9}.STMI| 00002760 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a |A R11!,{R0-R9}.| 00002770 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 2d |STMIA R11!,{R0-| 00002780 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 2c |R9}.STMIA R11!,| 00002790 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 |{R0-R9}.STMIA R| 000027a0 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 |11!,{R0-R9}.STMI| 000027b0 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a |A R11!,{R0-R9}.| 000027c0 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 2d |STMIA R11!,{R0-| 000027d0 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 2c |R9}.STMIA R11!,| 000027e0 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 |{R0-R9}.STMIA R| 000027f0 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 |11!,{R0-R9}.STMI| 00002800 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a |A R11!,{R0-R9}.| 00002810 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 2d |STMIA R11!,{R0-| 00002820 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 2c |R9}.STMIA R11!,| 00002830 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 |{R0-R9}.STMIA R| 00002840 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 |11!,{R0-R9}.STMI| 00002850 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a |A R11!,{R0-R9}.| 00002860 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 2d |STMIA R11!,{R0-| 00002870 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 2c |R9}.STMIA R11!,| 00002880 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 |{R0-R9}.STMIA R| 00002890 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 |11!,{R0-R9}.STMI| 000028a0 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a |A R11!,{R0-R9}.| 000028b0 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 2d |STMIA R11!,{R0-| 000028c0 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 2c |R9}.STMIA R11!,| 000028d0 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 |{R0-R9}.STMIA R| 000028e0 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 |11!,{R0-R9}.STMI| 000028f0 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a |A R11!,{R0-R9}.| 00002900 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 2d |STMIA R11!,{R0-| 00002910 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 2c |R9}.STMIA R11!,| 00002920 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 |{R0-R9}.STMIA R| 00002930 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 |11!,{R0-R9}.STMI| 00002940 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a |A R11!,{R0-R9}.| 00002950 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 2d |STMIA R11!,{R0-| 00002960 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 2c |R9}.STMIA R11!,| 00002970 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 |{R0-R9}.STMIA R| 00002980 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 |11!,{R0-R9}.STMI| 00002990 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a |A R11!,{R0-R9}.| 000029a0 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 2d |STMIA R11!,{R0-| 000029b0 52 39 7d 0a 53 55 42 53 20 20 20 52 31 30 2c 52 |R9}.SUBS R10,R| 000029c0 31 30 2c 23 31 0a 42 4e 45 20 20 20 20 66 61 73 |10,#1.BNE fas| 000029d0 74 0a 0a 0a 4d 4f 56 20 52 31 30 2c 23 33 32 0a |t...MOV R10,#32.| 000029e0 4c 44 52 20 52 31 2c 62 6f 74 74 6f 6d 63 6f 6c |LDR R1,bottomcol| 000029f0 6f 75 72 0a 4d 4f 56 20 52 30 2c 52 31 0a 4d 4f |our.MOV R0,R1.MO| 00002a00 56 20 52 32 2c 52 31 0a 4d 4f 56 20 52 33 2c 52 |V R2,R1.MOV R3,R| 00002a10 31 0a 4d 4f 56 20 52 34 2c 52 31 0a 4d 4f 56 20 |1.MOV R4,R1.MOV | 00002a20 52 35 2c 52 31 0a 4d 4f 56 20 52 36 2c 52 31 0a |R5,R1.MOV R6,R1.| 00002a30 4d 4f 56 20 52 37 2c 52 31 0a 4d 4f 56 20 52 38 |MOV R7,R1.MOV R8| 00002a40 2c 52 31 0a 4d 4f 56 20 52 39 2c 52 31 0a 2e 66 |,R1.MOV R9,R1..f| 00002a50 61 73 74 32 0a 53 54 4d 49 41 20 20 52 31 31 21 |ast2.STMIA R11!| 00002a60 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 |,{R0-R9}.STMIA | 00002a70 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d |R11!,{R0-R9}.STM| 00002a80 49 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d |IA R11!,{R0-R9}| 00002a90 0a 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 |.STMIA R11!,{R0| 00002aa0 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 |-R9}.STMIA R11!| 00002ab0 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 |,{R0-R9}.STMIA | 00002ac0 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d |R11!,{R0-R9}.STM| 00002ad0 49 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d |IA R11!,{R0-R9}| 00002ae0 0a 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 |.STMIA R11!,{R0| 00002af0 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 |-R9}.STMIA R11!| 00002b00 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 |,{R0-R9}.STMIA | 00002b10 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d |R11!,{R0-R9}.STM| 00002b20 49 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d |IA R11!,{R0-R9}| 00002b30 0a 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 |.STMIA R11!,{R0| 00002b40 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 |-R9}.STMIA R11!| 00002b50 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 |,{R0-R9}.STMIA | 00002b60 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d |R11!,{R0-R9}.STM| 00002b70 49 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d |IA R11!,{R0-R9}| 00002b80 0a 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 |.STMIA R11!,{R0| 00002b90 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 |-R9}.STMIA R11!| 00002ba0 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 |,{R0-R9}.STMIA | 00002bb0 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d |R11!,{R0-R9}.STM| 00002bc0 49 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d |IA R11!,{R0-R9}| 00002bd0 0a 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 |.STMIA R11!,{R0| 00002be0 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 |-R9}.STMIA R11!| 00002bf0 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 |,{R0-R9}.STMIA | 00002c00 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d |R11!,{R0-R9}.STM| 00002c10 49 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d |IA R11!,{R0-R9}| 00002c20 0a 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 |.STMIA R11!,{R0| 00002c30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 |-R9}.STMIA R11!| 00002c40 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 |,{R0-R9}.STMIA | 00002c50 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d |R11!,{R0-R9}.STM| 00002c60 49 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d |IA R11!,{R0-R9}| 00002c70 0a 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 |.STMIA R11!,{R0| 00002c80 2d 52 39 7d 0a 53 54 4d 49 41 20 20 52 31 31 21 |-R9}.STMIA R11!| 00002c90 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d 49 41 20 20 |,{R0-R9}.STMIA | 00002ca0 52 31 31 21 2c 7b 52 30 2d 52 39 7d 0a 53 54 4d |R11!,{R0-R9}.STM| 00002cb0 49 41 20 20 52 31 31 21 2c 7b 52 30 2d 52 39 7d |IA R11!,{R0-R9}| 00002cc0 0a 53 54 4d 49 41 20 20 52 31 31 21 2c 7b 52 30 |.STMIA R11!,{R0| 00002cd0 2d 52 39 7d 0a 53 55 42 53 20 20 20 52 31 30 2c |-R9}.SUBS R10,| 00002ce0 52 31 30 2c 23 31 0a 42 4e 45 20 20 20 20 66 61 |R10,#1.BNE fa| 00002cf0 73 74 32 0a 4c 44 4d 46 44 20 52 31 33 21 2c 7b |st2.LDMFD R13!,{| 00002d00 52 31 2d 52 31 32 2c 52 31 35 7d 5e 0a 0a 0a 2e |R1-R12,R15}^....| 00002d10 74 6f 70 63 6f 6c 6f 75 72 0a 45 51 55 44 20 30 |topcolour.EQUD 0| 00002d20 0a 2e 62 6f 74 74 6f 6d 63 6f 6c 6f 75 72 0a 45 |..bottomcolour.E| 00002d30 51 55 44 20 30 0a 2e 73 63 72 65 65 6e 79 6f 66 |QUD 0..screenyof| 00002d40 66 73 65 74 0a 45 51 55 44 20 30 0a 2e 73 63 72 |fset.EQUD 0..scr| 00002d50 65 65 6e 79 73 74 6f 70 0a 45 51 55 44 20 30 0a |eenystop.EQUD 0.| 00002d60 2e 73 63 72 65 65 6e 78 6f 66 66 73 65 74 0a 45 |.screenxoffset.E| 00002d70 51 55 44 20 30 0a 2e 73 63 72 65 65 6e 78 73 74 |QUD 0..screenxst| 00002d80 6f 70 0a 45 51 55 44 20 30 0a 0a 0a 0a 0a 45 58 |op.EQUD 0.....EX| 00002d90 50 4f 52 54 20 6f 75 72 6c 69 62 5f 73 65 74 75 |PORT ourlib_setu| 00002da0 70 62 61 63 6b 67 72 6f 75 6e 64 0a 2e 6f 75 72 |pbackground..our| 00002db0 6c 69 62 5f 73 65 74 75 70 5f 62 61 63 6b 67 72 |lib_setup_backgr| 00002dc0 6f 75 6e 64 0a 53 54 4d 46 44 20 52 31 33 21 2c |ound.STMFD R13!,| 00002dd0 7b 52 31 2d 52 36 2c 52 31 34 7d 0a 2f 2a 4d 4f |{R1-R6,R14}./*MO| 00002de0 56 20 52 31 30 2c 23 33 32 30 0a 53 55 42 20 52 |V R10,#320.SUB R| 00002df0 39 2c 52 31 30 2c 52 32 2c 4c 53 52 20 23 31 0a |9,R10,R2,LSR #1.| 00002e00 53 54 52 20 52 39 2c 73 63 72 65 65 6e 78 6f 66 |STR R9,screenxof| 00002e10 66 73 65 74 0a 53 55 42 20 52 39 2c 52 31 30 2c |fset.SUB R9,R10,| 00002e20 52 39 0a 53 54 52 20 52 39 2c 73 63 72 65 65 6e |R9.STR R9,screen| 00002e30 78 73 74 6f 70 0a 4d 4f 56 20 52 31 30 2c 23 31 |xstop.MOV R10,#1| 00002e40 32 38 0a 53 55 42 20 52 39 2c 52 31 30 2c 52 33 |28.SUB R9,R10,R3| 00002e50 2c 4c 53 52 20 23 31 0a 53 54 52 20 52 39 2c 73 |,LSR #1.STR R9,s| 00002e60 63 72 65 65 6e 79 6f 66 66 73 65 74 0a 4d 4f 56 |creenyoffset.MOV| 00002e70 20 52 31 30 2c 23 32 35 36 0a 53 55 42 20 52 39 | R10,#256.SUB R9| 00002e80 2c 52 31 30 2c 52 39 0a 53 54 52 20 52 39 2c 73 |,R10,R9.STR R9,s| 00002e90 63 72 65 65 6e 79 73 74 6f 70 2a 2f 0a 0a 4d 4f |creenystop*/..MO| 00002ea0 56 20 52 33 2c 52 30 0a 4d 4f 56 20 52 34 2c 52 |V R3,R0.MOV R4,R| 00002eb0 31 0a 0a 4f 52 52 20 52 30 2c 52 30 2c 52 33 0a |1..ORR R0,R0,R3.| 00002ec0 4f 52 52 20 52 30 2c 52 30 2c 52 33 2c 4c 53 4c |ORR R0,R0,R3,LSL| 00002ed0 20 23 38 0a 4f 52 52 20 52 30 2c 52 30 2c 52 33 | #8.ORR R0,R0,R3| 00002ee0 2c 4c 53 4c 20 23 31 36 0a 4f 52 52 20 52 30 2c |,LSL #16.ORR R0,| 00002ef0 52 30 2c 52 33 2c 4c 53 4c 20 23 32 34 0a 53 54 |R0,R3,LSL #24.ST| 00002f00 52 20 52 30 2c 74 6f 70 63 6f 6c 6f 75 72 0a 0a |R R0,topcolour..| 00002f10 4d 4f 56 20 52 30 2c 23 30 0a 4f 52 52 20 52 30 |MOV R0,#0.ORR R0| 00002f20 2c 52 30 2c 52 34 0a 4f 52 52 20 52 30 2c 52 30 |,R0,R4.ORR R0,R0| 00002f30 2c 52 34 2c 4c 53 4c 20 23 38 0a 4f 52 52 20 52 |,R4,LSL #8.ORR R| 00002f40 30 2c 52 30 2c 52 34 2c 4c 53 4c 20 23 31 36 0a |0,R0,R4,LSL #16.| 00002f50 4f 52 52 20 52 30 2c 52 30 2c 52 34 2c 4c 53 4c |ORR R0,R0,R4,LSL| 00002f60 20 23 32 34 0a 53 54 52 20 52 30 2c 62 6f 74 74 | #24.STR R0,bott| 00002f70 6f 6d 63 6f 6c 6f 75 72 0a 4c 44 4d 46 44 20 52 |omcolour.LDMFD R| 00002f80 31 33 21 2c 7b 52 31 2d 52 36 2c 52 31 35 7d 5e |13!,{R1-R6,R15}^| 00002f90 0a 0a 45 58 50 4f 52 54 20 63 6f 6c 6f 75 72 5f |..EXPORT colour_| 00002fa0 62 6f 78 0a 2e 63 6f 6c 6f 75 72 5f 62 6f 78 0a |box..colour_box.| 00002fb0 0a 2f 2a 20 52 30 20 3d 20 76 69 64 65 6f 5f 61 |./* R0 = video_a| 00002fc0 64 64 72 65 73 73 20 52 31 3d 20 73 74 61 72 74 |ddress R1= start| 00002fd0 78 20 52 32 20 3d 20 73 74 61 72 74 79 20 52 33 |x R2 = starty R3| 00002fe0 20 3d 20 65 6e 64 78 20 52 34 20 3d 20 65 6e 64 | = endx R4 = end| 00002ff0 79 20 52 35 20 3d 20 63 6f 6c 6f 75 72 2a 2f 0a |y R5 = colour*/.| 00003000 53 54 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 |STMFD R13!,{R1-R| 00003010 31 30 2c 52 31 34 7d 0a 4c 44 4d 49 41 20 52 30 |10,R14}.LDMIA R0| 00003020 2c 7b 52 30 2d 52 35 7d 0a 0a 4d 4f 56 20 52 36 |,{R0-R5}..MOV R6| 00003030 2c 52 32 0a 0a 2e 6c 6f 6f 70 5f 79 0a 4d 4f 56 |,R2...loop_y.MOV| 00003040 20 52 37 2c 52 31 0a 2e 6c 6f 6f 70 5f 78 0a 41 | R7,R1..loop_x.A| 00003050 44 44 20 52 38 2c 52 37 2c 52 36 2c 4c 53 4c 20 |DD R8,R7,R6,LSL | 00003060 23 38 0a 41 44 44 20 52 38 2c 52 38 2c 52 36 2c |#8.ADD R8,R8,R6,| 00003070 4c 53 4c 20 23 36 0a 53 54 52 42 20 52 35 2c 5b |LSL #6.STRB R5,[| 00003080 52 30 2c 52 38 5d 0a 41 44 44 20 52 37 2c 52 37 |R0,R8].ADD R7,R7| 00003090 2c 23 31 0a 43 4d 50 20 52 37 2c 52 33 0a 42 4c |,#1.CMP R7,R3.BL| 000030a0 54 20 6c 6f 6f 70 5f 78 0a 0a 41 44 44 20 52 36 |T loop_x..ADD R6| 000030b0 2c 52 36 2c 23 31 0a 43 4d 50 20 52 36 2c 52 34 |,R6,#1.CMP R6,R4| 000030c0 0a 42 4c 54 20 6c 6f 6f 70 5f 79 0a 0a 4c 44 4d |.BLT loop_y..LDM| 000030d0 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 31 30 2c |FD R13!,{R1-R10,| 000030e0 50 43 7d 0a 0a 0a 0a 0a 0a 0a 45 58 50 4f 52 54 |PC}.......EXPORT| 000030f0 20 6f 75 72 6c 69 62 5f 72 61 79 62 61 63 6b 0a | ourlib_rayback.| 00003100 2e 6f 75 72 6c 69 62 5f 72 61 79 62 61 63 6b 0a |.ourlib_rayback.| 00003110 53 54 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 |STMFD R13!,{R1-R| 00003120 31 32 2c 52 31 34 7d 0a 0a 4d 4f 56 20 52 31 32 |12,R14}..MOV R12| 00003130 2c 23 30 30 30 30 30 30 30 30 30 30 30 30 30 30 |,#00000000000000| 00003140 0a 4d 4f 56 20 52 32 2c 23 32 30 34 38 30 0a 0a |.MOV R2,#20480..| 00003150 2e 72 61 79 62 61 63 6b 6c 6f 6f 70 0a 53 54 52 |.raybackloop.STR| 00003160 20 52 31 32 2c 5b 52 30 2c 23 34 5d 21 0a 53 55 | R12,[R0,#4]!.SU| 00003170 42 53 20 52 32 2c 52 32 20 2c 23 31 0a 42 4e 45 |BS R2,R2 ,#1.BNE| 00003180 20 72 61 79 62 61 63 6b 6c 6f 6f 70 0a 0a 0a 4c | raybackloop...L| 00003190 44 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 31 |DMFD R13!,{R1-R1| 000031a0 32 2c 52 31 35 7d 5e 0a 0a 45 58 50 4f 52 54 20 |2,R15}^..EXPORT | 000031b0 6f 75 72 6c 69 62 5f 77 61 69 74 76 73 79 6e 63 |ourlib_waitvsync| 000031c0 0a 2e 6f 75 72 6c 69 62 5f 77 61 69 74 76 73 79 |..ourlib_waitvsy| 000031d0 6e 63 0a 53 54 4d 46 44 20 52 31 33 21 2c 7b 52 |nc.STMFD R13!,{R| 000031e0 31 2d 52 32 2c 52 31 34 7d 0a 4d 4f 56 20 52 30 |1-R2,R14}.MOV R0| 000031f0 2c 23 31 39 0a 53 57 49 20 4f 53 5f 42 79 74 65 |,#19.SWI OS_Byte| 00003200 0a 4c 44 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d |.LDMFD R13!,{R1-| 00003210 52 32 2c 52 31 35 7d 5e 0a 0a 45 58 50 4f 52 54 |R2,R15}^..EXPORT| 00003220 20 6f 75 72 6c 69 62 5f 73 63 72 65 65 6e 5f 72 | ourlib_screen_r| 00003230 6f 74 61 74 65 0a 2e 6f 75 72 6c 69 62 5f 73 63 |otate..ourlib_sc| 00003240 72 65 65 6e 5f 72 6f 74 61 74 65 0a 53 54 4d 46 |reen_rotate.STMF| 00003250 44 20 52 31 33 21 2c 7b 52 31 2d 52 34 2c 52 31 |D R13!,{R1-R4,R1| 00003260 34 7d 0a 4c 44 52 20 52 31 2c 73 63 72 65 65 6e |4}.LDR R1,screen| 00003270 73 69 7a 65 0a 4c 44 52 20 52 31 2c 73 63 72 65 |size.LDR R1,scre| 00003280 65 6e 73 69 7a 65 0a 2e 72 6f 74 61 74 65 6c 6f |ensize..rotatelo| 00003290 6f 70 0a 4c 44 52 42 20 52 33 2c 5b 52 30 5d 0a |op.LDRB R3,[R0].| 000032a0 4d 4f 56 20 52 33 2c 52 33 2c 52 4f 52 20 23 32 |MOV R3,R3,ROR #2| 000032b0 34 0a 53 54 52 42 20 52 33 2c 5b 52 30 5d 2c 23 |4.STRB R3,[R0],#| 000032c0 31 0a 53 55 42 53 20 52 31 2c 52 31 2c 23 31 0a |1.SUBS R1,R1,#1.| 000032d0 42 4e 45 20 72 6f 74 61 74 65 6c 6f 6f 70 0a 4c |BNE rotateloop.L| 000032e0 44 4d 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 34 |DMFD R13!,{R1-R4| 000032f0 2c 50 43 7d 0a 2e 73 63 72 65 65 6e 73 69 7a 65 |,PC}..screensize| 00003300 0a 45 51 55 44 20 38 31 39 32 30 0a 0a 0a 0a 0a |.EQUD 81920.....| 00003310 45 58 50 4f 52 54 20 6f 75 72 6c 69 62 5f 66 61 |EXPORT ourlib_fa| 00003320 64 65 5f 6f 75 74 0a 2e 6f 75 72 6c 69 62 5f 66 |de_out..ourlib_f| 00003330 61 64 65 5f 6f 75 74 0a 53 54 4d 46 44 20 52 31 |ade_out.STMFD R1| 00003340 33 21 2c 7b 52 31 2d 52 37 2c 52 31 34 7d 0a 2f |3!,{R1-R7,R14}./| 00003350 2a 20 52 30 20 3d 20 76 69 64 65 6f 61 64 64 72 |* R0 = videoaddr| 00003360 65 73 73 20 52 31 20 3d 20 73 63 72 65 65 6e 73 |ess R1 = screens| 00003370 69 7a 65 20 2a 2f 0a 0a 41 44 44 20 52 30 2c 52 |ize */..ADD R0,R| 00003380 30 2c 52 31 20 20 20 20 20 20 20 20 20 3b 20 50 |0,R1 ; P| 00003390 6f 69 6e 74 20 52 30 20 74 6f 20 62 6f 74 74 6f |oint R0 to botto| 000033a0 6d 20 6f 66 20 73 63 72 65 65 6e 0a 4d 4f 56 20 |m of screen.MOV | 000033b0 52 35 2c 23 38 20 20 20 20 20 20 20 20 20 20 20 |R5,#8 | 000033c0 20 3b 20 4c 6f 6f 70 20 77 69 6c 6c 20 65 78 65 | ; Loop will exe| 000033d0 63 75 74 65 20 20 23 34 20 63 79 63 6c 65 73 0a |cute #4 cycles.| 000033e0 2e 6f 75 74 65 72 5f 6c 6f 6f 70 20 20 20 20 20 |.outer_loop | 000033f0 20 20 20 20 20 3b 20 4f 75 74 65 72 20 6c 6f 6f | ; Outer loo| 00003400 70 20 62 65 67 69 6e 73 0a 4d 4f 56 20 52 34 2c |p begins.MOV R4,| 00003410 52 31 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 |R1 ; | 00003420 4d 6f 76 65 20 73 63 72 65 65 6e 73 69 7a 65 20 |Move screensize | 00003430 69 6e 74 6f 20 74 65 6d 70 20 52 34 0a 2e 66 61 |into temp R4..fa| 00003440 64 65 72 5f 6c 6f 6f 70 20 20 20 20 20 20 20 20 |der_loop | 00003450 20 20 3b 20 49 6e 6e 65 72 20 6c 6f 6f 70 20 62 | ; Inner loop b| 00003460 65 67 69 6e 73 0a 53 55 42 20 52 32 2c 52 30 2c |egins.SUB R2,R0,| 00003470 52 34 20 20 20 20 20 20 20 20 20 3b 20 53 75 62 |R4 ; Sub| 00003480 74 72 61 63 74 20 52 34 20 66 72 6f 6d 20 73 63 |tract R4 from sc| 00003490 72 65 65 6e 20 70 6f 69 6e 74 65 72 0a 4c 44 52 |reen pointer.LDR| 000034a0 42 20 52 33 2c 5b 52 32 5d 20 20 20 20 20 20 20 |B R3,[R2] | 000034b0 20 20 3b 20 4c 6f 61 64 20 74 68 65 20 76 61 6c | ; Load the val| 000034c0 75 65 20 70 6f 69 6e 74 65 64 20 74 6f 0a 4d 4f |ue pointed to.MO| 000034d0 56 20 52 33 2c 52 33 2c 4c 53 52 20 23 31 20 20 |V R3,R3,LSR #1 | 000034e0 20 20 20 3b 20 53 68 69 66 74 20 28 66 61 64 65 | ; Shift (fade| 000034f0 29 20 69 74 0a 53 54 52 42 20 52 33 2c 5b 52 32 |) it.STRB R3,[R2| 00003500 5d 20 20 20 20 20 20 20 20 20 3b 20 41 6e 64 20 |] ; And | 00003510 73 74 6f 72 65 20 69 74 20 62 61 63 6b 20 77 68 |store it back wh| 00003520 65 72 65 20 69 74 20 77 61 73 0a 53 55 42 53 20 |ere it was.SUBS | 00003530 52 34 2c 52 34 2c 23 31 20 20 20 20 20 20 20 20 |R4,R4,#1 | 00003540 3b 20 4d 6f 76 65 20 70 6f 69 6e 74 65 72 20 74 |; Move pointer t| 00003550 6f 20 6e 65 78 74 20 70 69 78 65 6c 0a 42 4e 45 |o next pixel.BNE| 00003560 20 66 61 64 65 72 5f 6c 6f 6f 70 20 20 20 20 20 | fader_loop | 00003570 20 20 3b 20 4c 6f 6f 70 20 69 66 20 6e 6f 74 20 | ; Loop if not | 00003580 64 6f 6e 65 20 79 65 74 0a 53 55 42 53 20 52 35 |done yet.SUBS R5| 00003590 2c 52 35 2c 23 31 20 20 20 20 20 20 20 20 3b 20 |,R5,#1 ; | 000035a0 44 65 63 72 65 6d 65 6e 74 20 6f 75 74 65 72 20 |Decrement outer | 000035b0 6c 6f 6f 70 20 63 6f 75 6e 74 65 72 0a 42 4e 45 |loop counter.BNE| 000035c0 20 6f 75 74 65 72 5f 6c 6f 6f 70 20 20 20 20 20 | outer_loop | 000035d0 20 20 3b 20 4c 6f 6f 70 20 61 67 61 69 6e 20 69 | ; Loop again i| 000035e0 66 20 69 6e 63 6f 6d 70 6c 65 74 65 0a 4c 44 4d |f incomplete.LDM| 000035f0 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 37 2c 50 |FD R13!,{R1-R7,P| 00003600 43 7d 5e 0a 0a 45 58 50 4f 52 54 20 6f 75 72 6c |C}^..EXPORT ourl| 00003610 69 62 5f 63 6f 6c 6f 75 72 73 63 72 65 65 6e 31 |ib_colourscreen1| 00003620 33 0a 2e 6f 75 72 6c 69 62 5f 63 6f 6c 6f 75 72 |3..ourlib_colour| 00003630 73 63 72 65 65 6e 31 33 0a 0a 53 54 4d 46 44 20 |screen13..STMFD | 00003640 52 31 33 21 2c 7b 52 31 2d 52 31 32 2c 52 31 34 |R13!,{R1-R12,R14| 00003650 7d 0a 2f 2a 20 52 30 20 3d 20 76 69 64 65 6f 5f |}./* R0 = video_| 00003660 61 64 64 72 65 73 73 20 52 31 20 3d 20 70 69 78 |address R1 = pix| 00003670 65 6c 73 20 52 32 20 3d 20 63 6f 6c 6f 75 72 20 |els R2 = colour | 00003680 2a 2f 0a 0a 2e 6c 6f 6f 70 5f 70 69 78 65 6c 0a |*/...loop_pixel.| 00003690 53 54 52 42 20 52 32 2c 5b 52 30 2c 52 31 5d 0a |STRB R2,[R0,R1].| 000036a0 53 55 42 53 20 52 31 2c 52 31 2c 23 31 0a 42 4e |SUBS R1,R1,#1.BN| 000036b0 45 20 6c 6f 6f 70 5f 70 69 78 65 6c 0a 4c 44 4d |E loop_pixel.LDM| 000036c0 46 44 20 52 31 33 21 2c 7b 52 31 2d 52 31 32 2c |FD R13!,{R1-R12,| 000036d0 52 31 35 7d 5e 0a 0a 0a 45 58 50 4f 52 54 20 6f |R15}^...EXPORT o| 000036e0 75 72 6c 69 62 5f 66 69 6e 64 73 63 72 65 65 6e |urlib_findscreen| 000036f0 0a 2e 6f 75 72 6c 69 62 5f 66 69 6e 64 73 63 72 |..ourlib_findscr| 00003700 65 65 6e 0a 53 54 4d 46 44 20 52 31 33 21 2c 7b |een.STMFD R13!,{| 00003710 52 31 2d 52 35 2c 52 31 34 7d 0a 41 44 52 20 52 |R1-R5,R14}.ADR R| 00003720 30 2c 53 63 72 65 65 6e 5f 50 61 72 61 6d 73 0a |0,Screen_Params.| 00003730 41 44 52 20 52 31 2c 53 63 72 65 65 6e 5f 41 64 |ADR R1,Screen_Ad| 00003740 64 72 65 73 73 0a 53 57 49 20 22 4f 53 5f 52 65 |dress.SWI "OS_Re| 00003750 61 64 56 64 75 56 61 72 69 61 62 6c 65 73 22 0a |adVduVariables".| 00003760 4c 44 52 20 52 30 2c 53 63 72 65 65 6e 5f 41 64 |LDR R0,Screen_Ad| 00003770 64 72 65 73 73 0a 4c 44 4d 46 44 20 52 31 33 21 |dress.LDMFD R13!| 00003780 2c 7b 52 31 2d 52 35 2c 52 31 35 7d 5e 0a 2e 53 |,{R1-R5,R15}^..S| 00003790 63 72 65 65 6e 5f 41 64 64 72 65 73 73 0a 45 51 |creen_Address.EQ| 000037a0 55 44 20 30 3b 0a 2e 53 63 72 65 65 6e 5f 50 61 |UD 0;..Screen_Pa| 000037b0 72 61 6d 73 0a 45 51 55 44 20 31 34 38 3b 0a 45 |rams.EQUD 148;.E| 000037c0 51 55 44 20 2d 31 3b 0a 0a 0a 23 70 72 61 67 6d |QUD -1;...#pragm| 000037d0 61 20 65 6e 64 61 73 6d 0a 0a 0a 76 6f 69 64 20 |a endasm...void | 000037e0 6f 75 72 6c 69 62 5f 77 72 69 74 65 28 63 68 61 |ourlib_write(cha| 000037f0 72 20 73 74 72 69 6e 67 5b 5d 29 3b 0a 76 6f 69 |r string[]);.voi| 00003800 64 20 6f 75 72 6c 69 62 5f 62 69 74 6d 61 70 5f |d ourlib_bitmap_| 00003810 70 6c 6f 74 28 69 6e 74 20 73 74 61 72 74 5f 78 |plot(int start_x| 00003820 2c 69 6e 74 20 73 74 61 72 74 5f 79 2c 69 6e 74 |,int start_y,int| 00003830 20 65 6e 64 5f 78 2c 69 6e 74 20 65 6e 64 5f 79 | end_x,int end_y| 00003840 2c 63 68 61 72 20 2a 6d 65 6d 6f 72 79 2c 63 68 |,char *memory,ch| 00003850 61 72 20 2a 76 69 64 65 6f 29 3b 0a 76 6f 69 64 |ar *video);.void| 00003860 20 6f 75 72 6c 69 62 5f 62 69 74 6d 61 70 5f 67 | ourlib_bitmap_g| 00003870 72 61 62 28 69 6e 74 20 73 74 61 72 74 5f 78 2c |rab(int start_x,| 00003880 69 6e 74 20 73 74 61 72 74 5f 79 2c 69 6e 74 20 |int start_y,int | 00003890 65 6e 64 5f 78 2c 69 6e 74 20 65 6e 64 5f 79 2c |end_x,int end_y,| 000038a0 63 68 61 72 20 2a 6d 65 6d 6f 72 79 2c 63 68 61 |char *memory,cha| 000038b0 72 20 2a 76 69 64 65 6f 29 3b 0a 0a 0a 76 6f 69 |r *video);...voi| 000038c0 64 20 6f 75 72 6c 69 62 5f 62 69 74 6d 61 70 5f |d ourlib_bitmap_| 000038d0 67 72 61 62 28 69 6e 74 20 73 74 61 72 74 5f 78 |grab(int start_x| 000038e0 2c 69 6e 74 20 73 74 61 72 74 5f 79 2c 69 6e 74 |,int start_y,int| 000038f0 20 65 6e 64 5f 78 2c 69 6e 74 20 65 6e 64 5f 79 | end_x,int end_y| 00003900 2c 63 68 61 72 20 2a 6d 65 6d 6f 72 79 2c 63 68 |,char *memory,ch| 00003910 61 72 20 2a 76 69 64 65 6f 29 0a 7b 0a 20 20 69 |ar *video).{. i| 00003920 6e 74 20 6f 66 66 73 65 74 5f 69 6e 5f 6d 65 6d |nt offset_in_mem| 00003930 6f 72 79 3b 0a 20 20 69 6e 74 20 6f 66 66 73 65 |ory;. int offse| 00003940 74 5f 69 6e 5f 73 63 72 65 65 6e 3b 0a 20 20 69 |t_in_screen;. i| 00003950 6e 74 20 70 69 78 65 6c 5f 78 2c 70 69 78 65 6c |nt pixel_x,pixel| 00003960 5f 79 3b 0a 0a 20 20 66 6f 72 28 6f 66 66 73 65 |_y;.. for(offse| 00003970 74 5f 69 6e 5f 6d 65 6d 6f 72 79 3d 30 2c 70 69 |t_in_memory=0,pi| 00003980 78 65 6c 5f 79 3d 73 74 61 72 74 5f 79 3b 70 69 |xel_y=start_y;pi| 00003990 78 65 6c 5f 79 3c 3d 65 6e 64 5f 79 3b 70 69 78 |xel_y<=end_y;pix| 000039a0 65 6c 5f 79 2b 2b 29 0a 20 20 7b 0a 20 20 20 20 |el_y++). {. | 000039b0 66 6f 72 28 70 69 78 65 6c 5f 78 3d 73 74 61 72 |for(pixel_x=star| 000039c0 74 5f 78 3b 70 69 78 65 6c 5f 78 3c 3d 65 6e 64 |t_x;pixel_x<=end| 000039d0 5f 78 3b 70 69 78 65 6c 5f 78 2b 2b 2c 6f 66 66 |_x;pixel_x++,off| 000039e0 73 65 74 5f 69 6e 5f 6d 65 6d 6f 72 79 2b 2b 29 |set_in_memory++)| 000039f0 0a 20 20 20 20 7b 0a 20 20 20 20 20 20 6f 66 66 |. {. off| 00003a00 73 65 74 5f 69 6e 5f 73 63 72 65 65 6e 3d 70 69 |set_in_screen=pi| 00003a10 78 65 6c 5f 78 2b 28 70 69 78 65 6c 5f 79 3c 3c |xel_x+(pixel_y<<| 00003a20 36 29 2b 28 70 69 78 65 6c 5f 79 3c 3c 38 29 3b |6)+(pixel_y<<8);| 00003a30 0a 20 20 20 20 20 20 6d 65 6d 6f 72 79 5b 6f 66 |. memory[of| 00003a40 66 73 65 74 5f 69 6e 5f 6d 65 6d 6f 72 79 5d 3d |fset_in_memory]=| 00003a50 2a 28 76 69 64 65 6f 2b 6f 66 66 73 65 74 5f 69 |*(video+offset_i| 00003a60 6e 5f 73 63 72 65 65 6e 29 3b 0a 0a 20 20 20 20 |n_screen);.. | 00003a70 7d 0a 20 20 7d 0a 0a 7d 0a 76 6f 69 64 20 6f 75 |}. }..}.void ou| 00003a80 72 6c 69 62 5f 62 69 74 6d 61 70 5f 70 6c 6f 74 |rlib_bitmap_plot| 00003a90 28 69 6e 74 20 73 74 61 72 74 5f 78 2c 69 6e 74 |(int start_x,int| 00003aa0 20 73 74 61 72 74 5f 79 2c 69 6e 74 20 65 6e 64 | start_y,int end| 00003ab0 5f 78 2c 69 6e 74 20 65 6e 64 5f 79 2c 63 68 61 |_x,int end_y,cha| 00003ac0 72 20 2a 6d 65 6d 6f 72 79 2c 63 68 61 72 20 2a |r *memory,char *| 00003ad0 76 69 64 65 6f 29 0a 7b 0a 20 20 69 6e 74 20 6f |video).{. int o| 00003ae0 66 66 73 65 74 5f 69 6e 5f 6d 65 6d 6f 72 79 3b |ffset_in_memory;| 00003af0 0a 20 20 69 6e 74 20 6f 66 66 73 65 74 5f 69 6e |. int offset_in| 00003b00 5f 73 63 72 65 65 6e 3b 0a 20 20 69 6e 74 20 70 |_screen;. int p| 00003b10 69 78 65 6c 5f 78 2c 70 69 78 65 6c 5f 79 3b 0a |ixel_x,pixel_y;.| 00003b20 0a 20 20 66 6f 72 28 6f 66 66 73 65 74 5f 69 6e |. for(offset_in| 00003b30 5f 6d 65 6d 6f 72 79 3d 30 2c 70 69 78 65 6c 5f |_memory=0,pixel_| 00003b40 79 3d 73 74 61 72 74 5f 79 3b 70 69 78 65 6c 5f |y=start_y;pixel_| 00003b50 79 3c 3d 65 6e 64 5f 79 3b 70 69 78 65 6c 5f 79 |y<=end_y;pixel_y| 00003b60 2b 2b 29 0a 20 20 7b 0a 20 20 20 20 66 6f 72 28 |++). {. for(| 00003b70 70 69 78 65 6c 5f 78 3d 73 74 61 72 74 5f 78 3b |pixel_x=start_x;| 00003b80 70 69 78 65 6c 5f 78 3c 3d 65 6e 64 5f 78 3b 70 |pixel_x<=end_x;p| 00003b90 69 78 65 6c 5f 78 2b 2b 2c 6f 66 66 73 65 74 5f |ixel_x++,offset_| 00003ba0 69 6e 5f 6d 65 6d 6f 72 79 2b 2b 29 0a 20 20 20 |in_memory++). | 00003bb0 20 7b 0a 20 20 20 20 20 20 6f 66 66 73 65 74 5f | {. offset_| 00003bc0 69 6e 5f 73 63 72 65 65 6e 3d 70 69 78 65 6c 5f |in_screen=pixel_| 00003bd0 78 2b 28 70 69 78 65 6c 5f 79 3c 3c 36 29 2b 28 |x+(pixel_y<<6)+(| 00003be0 70 69 78 65 6c 5f 79 3c 3c 38 29 3b 0a 20 20 20 |pixel_y<<8);. | 00003bf0 20 20 20 2a 28 76 69 64 65 6f 2b 6f 66 66 73 65 | *(video+offse| 00003c00 74 5f 69 6e 5f 73 63 72 65 65 6e 29 3d 6d 65 6d |t_in_screen)=mem| 00003c10 6f 72 79 5b 6f 66 66 73 65 74 5f 69 6e 5f 6d 65 |ory[offset_in_me| 00003c20 6d 6f 72 79 5d 3b 0a 20 20 20 20 7d 0a 20 20 7d |mory];. }. }| 00003c30 0a 7d 0a 76 6f 69 64 20 6f 75 72 6c 69 62 5f 77 |.}.void ourlib_w| 00003c40 72 69 74 65 28 63 68 61 72 20 73 74 72 69 6e 67 |rite(char string| 00003c50 5b 5d 29 0a 7b 0a 20 70 72 69 6e 74 66 28 22 25 |[]).{. printf("%| 00003c60 73 5c 6e 22 2c 73 74 72 69 6e 67 29 3b 0a 7d 0a |s\n",string);.}.| 00003c70 76 6f 69 64 20 6f 75 72 6c 69 62 5f 62 69 74 6d |void ourlib_bitm| 00003c80 61 70 5f 73 63 61 6c 65 28 63 68 61 72 20 2a 73 |ap_scale(char *s| 00003c90 63 72 65 65 6e 2c 69 6e 74 20 73 63 72 65 65 6e |creen,int screen| 00003ca0 78 2c 69 6e 74 20 73 63 72 65 65 6e 79 2c 69 6e |x,int screeny,in| 00003cb0 74 20 70 65 72 63 65 6e 74 2c 20 69 6e 74 20 77 |t percent, int w| 00003cc0 69 64 74 68 2c 69 6e 74 20 68 65 69 67 68 74 2c |idth,int height,| 00003cd0 63 68 61 72 20 2a 62 69 74 6d 61 70 29 0a 7b 0a |char *bitmap).{.| 00003ce0 0a 0a 20 20 20 20 20 20 69 6e 74 20 79 65 72 72 |.. int yerr| 00003cf0 6f 72 3d 30 3b 0a 0a 20 20 20 20 20 20 2f 2a 69 |or=0;.. /*i| 00003d00 6e 74 20 73 63 72 65 65 6e 79 3d 28 32 30 30 2d |nt screeny=(200-| 00003d10 70 65 72 63 65 6e 74 29 2f 32 3b 2a 2f 0a 69 6e |percent)/2;*/.in| 00003d20 74 20 78 65 72 72 6f 72 2c 78 3b 0a 0a 0a 20 20 |t xerror,x;... | 00003d30 20 20 20 20 75 6e 73 69 67 6e 65 64 20 69 6e 74 | unsigned int| 00003d40 20 73 63 72 70 74 72 3d 73 63 72 65 65 6e 79 2a | scrptr=screeny*| 00003d50 33 32 30 2b 73 63 72 65 65 6e 78 3b 0a 20 20 20 |320+screenx;. | 00003d60 20 20 20 75 6e 73 69 67 6e 65 64 20 69 6e 74 20 | unsigned int | 00003d70 62 69 74 70 74 72 3d 30 3b 0a 0a 20 20 20 20 20 |bitptr=0;.. | 00003d80 20 69 6e 74 20 79 3b 0a 75 6e 73 69 67 6e 65 64 | int y;.unsigned| 00003d90 20 69 6e 74 20 6f 6c 64 5f 73 63 72 70 74 72 3b | int old_scrptr;| 00003da0 0a 75 6e 73 69 67 6e 65 64 20 69 6e 74 20 6f 6c |.unsigned int ol| 00003db0 64 5f 62 69 74 70 74 72 3b 0a 20 20 20 20 20 20 |d_bitptr;. | 00003dc0 66 6f 72 20 28 79 3d 30 3b 20 79 3c 68 65 69 67 |for (y=0; y<heig| 00003dd0 68 74 3b 20 79 2b 2b 29 20 7b 0a 0a 0a 0a 20 20 |ht; y++) {.... | 00003de0 20 20 20 20 20 20 79 65 72 72 6f 72 2b 3d 70 65 | yerror+=pe| 00003df0 72 63 65 6e 74 3b 0a 0a 0a 0a 20 20 20 20 20 20 |rcent;.... | 00003e00 20 20 77 68 69 6c 65 20 28 79 65 72 72 6f 72 3e | while (yerror>| 00003e10 31 30 30 29 20 7b 0a 0a 0a 0a 20 20 20 20 20 20 |100) {.... | 00003e20 20 20 20 20 79 65 72 72 6f 72 2d 3d 31 30 30 3b | yerror-=100;| 00003e30 0a 0a 0a 20 20 20 20 20 20 20 20 6f 6c 64 5f 73 |... old_s| 00003e40 63 72 70 74 72 3d 73 63 72 70 74 72 3b 0a 0a 0a |crptr=scrptr;...| 00003e50 0a 20 20 20 20 20 20 20 20 20 6f 6c 64 5f 62 69 |. old_bi| 00003e60 74 70 74 72 3d 62 69 74 70 74 72 3b 0a 0a 0a 0a |tptr=bitptr;....| 00003e70 20 20 20 20 20 20 20 20 20 20 20 78 65 72 72 6f | xerro| 00003e80 72 3d 30 3b 0a 0a 0a 0a 20 20 20 20 20 20 20 20 |r=0;.... | 00003e90 20 20 66 6f 72 20 28 20 78 3d 30 3b 20 78 3c 77 | for ( x=0; x<w| 00003ea0 69 64 74 68 3b 20 78 2b 2b 29 20 7b 0a 0a 0a 20 |idth; x++) {... | 00003eb0 20 20 20 20 20 20 20 20 20 20 20 78 65 72 72 6f | xerro| 00003ec0 72 2b 3d 70 65 72 63 65 6e 74 3b 0a 0a 0a 20 20 |r+=percent;... | 00003ed0 20 20 20 20 20 20 20 20 20 20 77 68 69 6c 65 20 | while | 00003ee0 28 78 65 72 72 6f 72 3e 31 30 30 29 20 7b 0a 0a |(xerror>100) {..| 00003ef0 0a 0a 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |.. | 00003f00 78 65 72 72 6f 72 2d 3d 31 30 30 3b 0a 0a 0a 0a |xerror-=100;....| 00003f10 20 20 20 20 20 20 20 20 20 20 20 20 20 20 73 63 | sc| 00003f20 72 65 65 6e 5b 73 63 72 70 74 72 5d 3d 62 69 74 |reen[scrptr]=bit| 00003f30 6d 61 70 5b 62 69 74 70 74 72 5d 3b 0a 0a 0a 20 |map[bitptr];... | 00003f40 20 20 20 20 20 20 20 20 20 20 20 20 20 73 63 72 | scr| 00003f50 70 74 72 2b 2b 3b 0a 20 20 20 20 20 20 20 20 20 |ptr++;. | 00003f60 20 20 20 7d 0a 0a 0a 20 20 20 20 20 20 20 20 20 | }... | 00003f70 20 20 20 62 69 74 70 74 72 2b 2b 3b 0a 20 20 20 | bitptr++;. | 00003f80 20 20 20 20 20 20 20 7d 0a 0a 0a 0a 20 20 20 20 | }.... | 00003f90 20 20 20 20 20 20 73 63 72 70 74 72 3d 6f 6c 64 | scrptr=old| 00003fa0 5f 73 63 72 70 74 72 2b 33 32 30 3b 0a 0a 0a 0a |_scrptr+320;....| 00003fb0 20 20 20 20 20 20 20 20 20 20 62 69 74 70 74 72 | bitptr| 00003fc0 3d 6f 6c 64 5f 62 69 74 70 74 72 3b 0a 20 20 20 |=old_bitptr;. | 00003fd0 20 20 20 20 20 7d 0a 0a 0a 0a 20 20 20 20 20 20 | }.... | 00003fe0 20 20 62 69 74 70 74 72 2b 3d 77 69 64 74 68 3b | bitptr+=width;| 00003ff0 0a 20 20 20 20 20 20 7d 0a 0a 0a 0a 20 20 20 20 |. }.... | 00004000 7d 0a 0a 76 6f 69 64 20 6f 75 72 6c 69 62 5f 73 |}..void ourlib_s| 00004010 63 72 65 65 6e 5f 64 69 73 73 6f 6c 76 65 28 63 |creen_dissolve(c| 00004020 68 61 72 20 2a 73 63 72 65 65 6e 5f 61 64 64 72 |har *screen_addr| 00004030 65 73 73 2c 69 6e 74 20 73 63 72 65 65 6e 5f 73 |ess,int screen_s| 00004040 69 7a 65 29 0a 7b 0a 20 20 69 6e 74 20 6e 75 6d |ize).{. int num| 00004050 62 65 72 2c 0a 20 20 63 6f 75 6e 74 65 72 3b 0a |ber,. counter;.| 00004060 20 20 66 6c 6f 61 74 20 74 65 6d 70 3b 0a 0a 0a | float temp;...| 00004070 20 20 66 6f 72 28 63 6f 75 6e 74 65 72 3d 34 30 | for(counter=40| 00004080 30 30 30 30 3b 63 6f 75 6e 74 65 72 3e 30 3b 63 |0000;counter>0;c| 00004090 6f 75 6e 74 65 72 2d 2d 29 0a 20 20 7b 0a 20 20 |ounter--). {. | 000040a0 20 6e 75 6d 62 65 72 3d 72 61 6e 64 28 29 3b 0a | number=rand();.| 000040b0 0a 20 20 20 74 65 6d 70 3d 28 66 6c 6f 61 74 29 |. temp=(float)| 000040c0 6e 75 6d 62 65 72 2f 52 41 4e 44 5f 4d 41 58 3b |number/RAND_MAX;| 000040d0 0a 20 6e 75 6d 62 65 72 3d 28 66 6c 6f 61 74 29 |. number=(float)| 000040e0 74 65 6d 70 2a 73 63 72 65 65 6e 5f 73 69 7a 65 |temp*screen_size| 000040f0 3b 3b 0a 69 66 28 6e 75 6d 62 65 72 3e 73 63 72 |;;.if(number>scr| 00004100 65 65 6e 5f 73 69 7a 65 29 6e 75 6d 62 65 72 3d |een_size)number=| 00004110 73 63 72 65 65 6e 5f 73 69 7a 65 3b 0a 0a 20 2a |screen_size;.. *| 00004120 28 73 63 72 65 65 6e 5f 61 64 64 72 65 73 73 2b |(screen_address+| 00004130 6e 75 6d 62 65 72 29 3d 30 3b 0a 0a 20 20 7d 0a |number)=0;.. }.| 00004140 0a 0a 0a 7d 0a 76 6f 69 64 20 6f 75 72 6c 69 62 |...}.void ourlib| 00004150 5f 73 63 72 65 65 6e 5f 73 68 69 66 74 28 63 68 |_screen_shift(ch| 00004160 61 72 20 2a 73 63 72 65 65 6e 5f 61 64 64 72 65 |ar *screen_addre| 00004170 73 73 2c 69 6e 74 20 73 63 72 65 65 6e 5f 73 69 |ss,int screen_si| 00004180 7a 65 29 0a 7b 0a 20 69 6e 74 20 63 6f 75 6e 74 |ze).{. int count| 00004190 65 72 3b 0a 0a 0a 20 20 66 6f 72 28 63 6f 75 6e |er;... for(coun| 000041a0 74 65 72 3d 73 63 72 65 65 6e 5f 73 69 7a 65 3b |ter=screen_size;| 000041b0 63 6f 75 6e 74 65 72 3e 30 3b 63 6f 75 6e 74 65 |counter>0;counte| 000041c0 72 2d 2d 29 0a 20 20 7b 0a 20 2a 28 73 63 72 65 |r--). {. *(scre| 000041d0 65 6e 5f 61 64 64 72 65 73 73 2b 63 6f 75 6e 74 |en_address+count| 000041e0 65 72 29 3e 3e 3d 31 3b 0a 0a 20 20 7d 0a 0a 0a |er)>>=1;.. }...| 000041f0 0a 7d 0a 0a 76 6f 69 64 20 6f 75 72 6c 69 62 5f |.}..void ourlib_| 00004200 73 63 72 65 65 6e 5f 73 77 69 74 63 68 28 63 68 |screen_switch(ch| 00004210 61 72 20 2a 73 63 72 65 65 6e 5f 61 64 64 72 65 |ar *screen_addre| 00004220 73 73 2c 63 68 61 72 20 2a 6d 65 6d 6f 72 79 2c |ss,char *memory,| 00004230 69 6e 74 20 73 63 72 65 65 6e 5f 73 69 7a 65 29 |int screen_size)| 00004240 0a 7b 0a 20 20 69 6e 74 20 6e 75 6d 62 65 72 2c |.{. int number,| 00004250 0a 20 20 63 6f 75 6e 74 65 72 3b 0a 20 20 66 6c |. counter;. fl| 00004260 6f 61 74 20 74 65 6d 70 3b 0a 0a 0a 20 20 66 6f |oat temp;... fo| 00004270 72 28 63 6f 75 6e 74 65 72 3d 34 30 30 30 30 30 |r(counter=400000| 00004280 3b 63 6f 75 6e 74 65 72 3e 30 3b 63 6f 75 6e 74 |;counter>0;count| 00004290 65 72 2d 2d 29 0a 20 20 7b 0a 20 20 20 6e 75 6d |er--). {. num| 000042a0 62 65 72 3d 72 61 6e 64 28 29 3b 0a 0a 20 20 20 |ber=rand();.. | 000042b0 74 65 6d 70 3d 28 66 6c 6f 61 74 29 6e 75 6d 62 |temp=(float)numb| 000042c0 65 72 2f 52 41 4e 44 5f 4d 41 58 3b 0a 20 6e 75 |er/RAND_MAX;. nu| 000042d0 6d 62 65 72 3d 28 66 6c 6f 61 74 29 74 65 6d 70 |mber=(float)temp| 000042e0 2a 73 63 72 65 65 6e 5f 73 69 7a 65 3b 3b 0a 69 |*screen_size;;.i| 000042f0 66 28 6e 75 6d 62 65 72 3e 73 63 72 65 65 6e 5f |f(number>screen_| 00004300 73 69 7a 65 29 6e 75 6d 62 65 72 3d 73 63 72 65 |size)number=scre| 00004310 65 6e 5f 73 69 7a 65 3b 0a 0a 20 2a 28 73 63 72 |en_size;.. *(scr| 00004320 65 65 6e 5f 61 64 64 72 65 73 73 2b 6e 75 6d 62 |een_address+numb| 00004330 65 72 29 3d 2a 28 6d 65 6d 6f 72 79 2b 6e 75 6d |er)=*(memory+num| 00004340 62 65 72 29 3b 0a 0a 20 20 7d 0a 0a 7d 0a |ber);.. }..}.| 0000434e