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WP/programs/hoare/IntSrc
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 » Zipped Apps » 1st Word Plus |
| Filename: | WP/programs/hoare/IntSrc |
| Read OK: | ✔ |
| File size: | 2E5A bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
File contents
10REM >$.IntSrc
20REM Author Steve Hoare
30REM January 1989
40REM Source code for Interrupt module
50
60DIM Space &1000
70FOR I%=4 TO 7 STEP 3
80P%=0:O%=Space
90[OPT I%
100 EQUD 0; Start
110 EQUD Init
120 EQUD Final
130 EQUD Service
140 EQUD Title
150 EQUD Help
160 EQUD Table
170 EQUD 0; SWI stuff (not needed)
180 EQUD 0; SWI stuff
190 EQUD 0; SWI stuff
200 EQUD 0; SWI stuff
210.Help
220 EQUS "Prog interrupt":EQUB 9:EQUS "1.00 (15 Jan 1989)"
230 EQUB 0
240.Title
250 EQUS "IntModule"
260 EQUB 0
270 ALIGN
280.Table
290 EQUS "Interrupt"
300 EQUB 0
310 ALIGN
320 EQUD Interrupt
330 EQUD &FF0001 ; at least 1 parameter, no maximum, not GSTransed
340 EQUD InterruptSyn
350 EQUD InterruptHelp
360 EQUS "Freeze"
370 EQUB 0
380 ALIGN
390 EQUD Freeze
400 EQUD 0
410 EQUD FreezeSyn
420 EQUD FreezeHelp
430 EQUD 0; End of command table
440
450.InterruptHelp
460 EQUS "*Interrupt sets up a routine to stop an application with a key press and perform a specified *command":EQUW &D0A
470 EQUS "If no command is given *commands can be typed during the interruption":EQUW &D0A
480 EQUS "*Interrupt <key> Freeze - waits until the space bar is pressed & released":EQUW &D0A
490 EQUS "*Interrupt -1 disables the interrupt routine":EQUW &D0A
500.InterruptSyn
510 EQUS "Syntax: *Interrupt <ASCII code> [<*command>]"
520 EQUB 0
530 ALIGN
540
550.FreezeHelp
560 EQUS "*Freeze stops processing until the spacebar is pressed and released":EQUW &D0A
570.FreezeSyn
580 EQUS "Syntax: *Freeze":EQUB 0
590 ALIGN
600
610.Freeze
620 STMFD R13!,{R0-R3,R14}
630 MOV R0,#129
640.FreezeLoop1
650 MVN R1,#98
660 MOV R2,#255
670 SWI "OS_Byte"
680 CMP R1,#255
690 CMPEQ R2,#255
700 BNE FreezeLoop1
710.FreezeLoop2
720 MVN R1,#98
730 MOV R2,#255
740 SWI "OS_Byte"
750 CMP R1,#255
760 CMPEQ R2,#255
770 BEQ FreezeLoop2
780 MOV R0,#21
790 MOV R1,#0
800 SWI "OS_Byte"
810 LDMFD R13!,{R0-R3,PC}
820
830.Service
840 CMP R1,#&27 \ Is this post reset
850 MOVNE PC,R14 \ Return if not
860 STMFD R13!,{R0-R2,R14}
870 LDRB R0,Active
880 CMP R0,#128
890 SUBCS R0,R0,#128
900 STRB R0,Active \ If active during reset then clear active flag
910 MOV R0,#0
920 STRB R0,Claimed \ Reset flags to indicate
930 STRB R0,Enabled \ loss of control
940 B CheckState \ Reclaim vector and enable event
950
960.Init
970 STMFD R13!,{R0-R2,R14}
980 LDRB R0,Claimed
990.CheckState
1000 CMP R0,#255
1010 BEQ Init1 \ Vector already claimed
1020 MOV R0,#255
1030 STRB R0,Claimed
1040 MOV R0,#16 \ Event vector
1050 ADR R1,EventEntry
1060 MOV R2,#0
1070 SWI "OS_Claim"
1080.Init1
1090 LDRB R0,Enabled
1100 CMP R0,#255
1110 LDMEQFD R13!,{PC} \ Event already enabled
1120 MOV R0,#255
1130 STRB R0,Enabled
1140 MOV R0,#14 \ Enable event
1150 MOV R1,#2 \ Keyboard input event
1160 SWI "OS_Byte"
1170 LDMFD R13!,{R0-R2,PC}
1180
1190.Final
1200 STMFD R13!,{R14}
1210 LDRB R0,Enabled
1220 CMP R0,#255
1230 BNE Final1 \ Already disabled
1240 MOV R0,#0
1250 STRB R0,Enabled
1260 MOV R0,#13 \ Disable event
1270 MOV R1,#2 \ Keyboard input event
1280 SWI "OS_Byte"
1290.Final1
1300 LDRB R0,Claimed
1310 CMP R0,#255
1320 LDMNEFD R13!,{PC} \ Vector already released
1330 MOV R0,#0
1340 STRB R0,Claimed
1350 MOV R0,#16 \ Event vector
1360 ADR R1,EventEntry
1370 MOV R2,#0
1380 SWI "OS_Release"
1390 LDMFD R13!,{PC}
1400
1410.Interrupt
1420 STMFD R13!,{R0-R4,R14}
1430 MOV R3,R0
1440 MOV R4,R1
1450 ADR R0,Buffer
1460.Int1
1470 LDRB R1,[R3],#1 \ Get next byte of command
1480 CMP R1,#32 \ Is it a space?
1490 MOVEQ R1,#13 \ If so convert to CR
1500 STRB R1,[R0],#1 \ Store in buffer
1510 CMP R1,#13
1520 BNE Int1 \ Not at end so get next byte
1530 ADR R0,Buffer
1540 ADR R1,RegStore
1550 MOV R2,#63
1560 SWI "XOS_EvaluateExpression"
1570 BVS Int5
1580 CMP R1,#0 \ Is it an integer?
1590 BEQ Int2 \ Yes so continue
1600.Int3
1610 ADR R0,CodeErr
1620.Int5
1630 LDMFD R13!,{R1-R5}
1640 B Error
1650.Int2
1660 CMP R2,#256
1670 BCC Int4 \ Valid code number
1680 CMN R2,#1 \ Is it -1?
1690 BNE Int3 \ No so not valid parameter
1700 LDRB R1,Active
1710 MOV R0,#0
1720 CMP R1,#128
1730 MOVCS R0,#128
1740 STRB R0,Active \ Clear the active flag
1750 LDMFD R13!,{R0-R4,PC}
1760.Int4
1770 ADR R1,Code
1780 STRB R2,[R1] \ Store the keycode required
1790 LDRB R1,Active
1800 AND R1,R1,#128
1810 ADD R1,R1,#1
1820 CMP R4,#1 \ Only one parameter?
1830 ADDNE R1,R1,#1
1840 STRB R1,Active
1850 LDMEQFD R13!,{R0-R4,PC} \ If no other param then end
1860 MOV R0,R3
1870 ADR R1,Command
1880.ComMove1
1890 LDRB R2,[R0],#1
1900 STRB R2,[R1],#1
1910 CMP R2,#13
1920 BNE ComMove1
1930 LDMFD R13!,{R0-R4,PC}
1940
1950.CodeErr
1960 EQUD 67745
1970 EQUS "Bad keycode parameter"
1980 EQUB 0
1990 ALIGN
2000
2010.Error
2020 MOV R1,PC
2030 ORR R1,R1,#1<<28 \ Set "V" flag bit
2040 TEQP R1,#0
2050 LDMFD R13!,{PC}
2060
2070.Claimed
2080 EQUB 0 \ set to 255 when module has claimed event vector
2090.Enabled
2100 EQUB 0 \ set to 255 when module has enabled event
2110 ALIGN
2120
2130.EventEntry
2140 STMFD R13!,{R7,R14}
2150 LDRB R7,Code
2160 CMP R7,R2
2170 LDMNEFD R13!,{R7,PC} \ Not our key so pass on
2180 LDRB R7,Active
2190 CMP R7,#1 \ Are we active and
2200 CMPNE R7,#2 \ not busy already?
2210 LDMNEFD R13!,{R7,PC} \ No, so pass on
2220 STMFD R13!,{R0,R1,R6}
2230 MOV R6,PC
2240 ORR R7,R6,#3
2250 TEQP R7,#0 \ Enter SVC mode
2260 MOVNV R0,R0
2270 STMFD R13!,{R14} \ Store SVC mode link
2280 ADR R0,RegStore
2290 ADR R1,Return
2300 SWI "OS_CallBack"
2310 SWI "OS_SetCallBack"
2320 LDMFD R13!,{R14} \ Restore SVC mode link
2330 TEQP R6,#0 \ Restore original mode
2340 MOVNV R0,R0
2350 LDMFD R13!,{R0,R1,R6,R7,PC}
2360
2370.Active
2380 EQUD 0 \ 0=Not active,1=enter commands,2=execute specified command - 128 added to current value while actually processing
2390.Code
2400 EQUD 0 \ Storage for keycode required
2410
2420.Buffer
2430 ]
2440
2450P%+=256:O%+=256
2460Command=P%
2470P%+=256:O%+=256
2480RegStore=P%
2490P%+=64:O%+=64
2500[OPT I%
2510.Return
2520 LDRB R0,Active
2530 ADD R0,R0,#128
2540 STRB R0,Active \ Change active flag to indicate busy
2550 MOV R1,PC
2560 BIC R1,R1,#1<<27 \ Clear interrupt flag
2570 ORR R1,R1,#3 \ Set SVC mode
2580 TEQP R1,#0 \ Enter SVC mode
2590 MOVNV R1,R1
2600 CMP R0,#129
2610 BEQ EnterCommand \ Commands to be typed in
2620 ADR R0,Command \ else execute selected command
2630 SWI "XOS_CLI"
2640 SWIVS 256+7+(1<<17) \ Beep if error occurred
2650 B Finish
2660.EnterCommand \ Prepare screen for command entry
2670 MOV R0,#117
2680 SWI "XOS_Byte"
2690 STRB R1,VduStatus
2700 MOV R0,#3
2710 MOV R1,#%1010100 \ Disable printer, Spool and RS423
2720 SWI "XOS_Byte"
2730 STRB R1,Streams
2740 MOV R0,#165
2750 SWI "XOS_Byte"
2760 STRB R1,CursorPos
2770 STRB R2,CursorPos+1
2780 MOV R0,#218
2790 MOV R1,#0
2800 MOV R2,#0
2810 SWI "XOS_Byte" \ Clear VDU Q
2820 MOV R0,#0
2830 MOV R1,#16
2840 SWI "XOS_ReadPalette"
2850 STR R2,Colours
2860 STR R3,Colours+4
2870 MOV R0,#1
2880 SWI "XOS_ReadPalette"
2890 STR R2,Colours+8
2900 STR R3,Colours+12
2910 ADR R0,VduBlock
2920 ADR R1,Window
2930 SWI "XOS_ReadVduVariables"
2940 LDR R0,ScreenWidth
2950 STRB R0,NewSettings+4
2960 MOV R0,#1
2970 LDR R3,ScreenSize
2980 MOV R1,R3,LSR #1
2990 SWI "XOS_ClaimScreenMemory"
3000 MOVCS R2,#0
3010 STR R2,ScreenClaimed \ Set flag to indicate if screen memory found
3020 BCS VduSequence
3030 LDR R1,ScreenStart
3040 MOV R3,R3,LSR #1
3050.ScreenLoop1
3060 LDMIA R1!,{R4-R11}
3070 STMIA R2!,{R4-R11}
3080 SUBS R3,R3,#32
3090 BHI ScreenLoop1
3100.VduSequence
3110 ADR R0,NewSettings
3120 ADR R1,Terminator
3130 SUB R1,R1,R0
3140 SWI "OS_WriteN"
3150
3160.ECLoop
3170 SWI "OS_WriteS"
3180 EQUD &002A0A0D
3190 ADR R0,Buffer
3200 MOV R1,#254
3210 MOV R2,#32
3220 MOV R3,#255
3230 SWI "XOS_ReadLine"
3240 BCS EscError
3250 BVS PrintError
3260 CMP R1,#0
3270 BEQ TidyUp
3280 SWI "XOS_CLI"
3290 BVS PrintError
3300 B ECLoop
3310.VduBlock \ Used as input block for OS_ReadVduVariables
3320 EQUD 132
3330 EQUD 133
3340 EQUD 134
3350 EQUD 135
3360 EQUD 149
3370 EQUD 155
3380 EQUD 156
3390 EQUD 159
3400 EQUD 160
3410 EQUD 1
3420 EQUD 7
3430 EQUD -1
3440.Colours \ Used to store application VDU variable settings
3450 EQUD 0
3460 EQUD 0
3470 EQUD 0
3480 EQUD 0
3490.Window
3500 EQUD 0
3510 EQUD 0
3520 EQUD 0
3530 EQUD 0
3540.ScreenStart
3550 EQUD 0
3560.LogCols
3570 EQUD 0
3580 EQUD 0
3590.Tints
3600 EQUD 0
3610 EQUD 0
3620.ScreenWidth
3630 EQUD 0
3640.ScreenSize
3650 EQUD 0
3660.ScreenClaimed
3670 EQUD 0
3680.VduStatus
3690 EQUB 0
3700.CursorPos
3710 EQUW 0
3720.Streams
3730 EQUB 0
3740.NewSettings \ Contains VDU codes to set up command entry screen
3750 EQUB 6 \ Re enable VDU
3760 EQUB 28 \ Set text window
3770 EQUB 0
3780 EQUB 12
3790 EQUB 0 \ updated by program
3800 EQUB 0
3810 EQUB 19 \ Define col 0 as blue
3820 EQUB 0
3830 EQUD 4
3840 EQUB 19 \ Define col 1 as white
3850 EQUB 1
3860 EQUD 7
3870 EQUB 15 \ Set paged mode
3880 EQUB 4 \ Use text cursor
3890 EQUB 17 \ Select Text colour 1
3900 EQUB 1
3910 EQUB 17 \ Select background colour 0
3920 EQUB 128
3930 EQUB 12 \ CLS
3940.Terminator
3950 STMFD R13!,{R0,R14}
3960 MOV R0,#8
3970.TermLoop
3980 SWI 256
3990 SUBS R0,R0,#1
4000 BNE TermLoop
4010 LDMFD R13!,{R0,PC}
4020
4030.TidyUp \ Resets application VDU variables and restores screen
4040 ADR R3,Colours
4050 MOV R1,#4
4060 MOV R2,#12
4070.TLoop1
4080 SWI 256+19
4090 MOV R0,R2,LSR #3
4100 SWI "OS_WriteC"
4110 ADD R0,R3,R2
4120 SWI "OS_WriteN"
4130 SUBS R2,R2,#4
4140 BPL TLoop1
4150 MOV R2,#4
4160 ADR R3,Tints
4170.TLoop2
4180 SWI 256+23
4190 SWI 256+17
4200 MOV R0,R2,LSR #2
4210 SWI "OS_WriteC"
4220 LDR R0,[R3,R2]
4230 SWI "OS_WriteC"
4240 BL Terminator
4250 SUBS R2,R2,#4
4260 BPL TLoop2
4270 LDRB R0,LogCols
4280 SWI 256+17
4290 SWI "OS_WriteC"
4300 LDRB R0,LogCols+4
4310 ADD R0,R0,#128
4320 SWI 256+17
4330 SWI "OS_WriteC"
4340 SWI 256+28
4350 ADR R1,Window
4360 MOV R2,#4
4370.TLoop3
4380 LDRB R0,[R1],#4
4390 SWI "OS_WriteC"
4400 SUBS R2,R2,#1
4410 BNE TLoop3
4420 SWI 256+31
4430 LDRB R0,CursorPos
4440 SWI "OS_WriteC"
4450 LDRB R0,CursorPos+1
4460 SWI "OS_WriteC"
4470 LDRB R3,VduStatus
4480 TST R3,#1 \ Printer enabled bit
4490 SWINE 256+2
4500 TST R3,#4 \ Paged mode bit
4510 SWIEQ 256+15 \ Not set so clear paged mode
4520 TST R3,#32 \ VDU5 bit
4530 SWINE 256+5
4540 TST R3,#128 \ Disabled by VDU 21 bit
4550 SWINE 256+21
4560 LDRB R1,Streams
4570 MOV R0,#3
4580 SWI "OS_Byte"
4590 LDR R1,ScreenClaimed
4600 CMP R1,#0
4610 BEQ Wimp
4620 LDR R2,ScreenStart
4630 LDR R3,ScreenSize
4640 MOV R3,R3,LSR #1
4650.TLoop4
4660 LDMIA R1!,{R4-R11}
4670 STMIA R2!,{R4-R11}
4680 SUBS R3,R3,#32
4690 BHI TLoop4
4700 MOV R0,#0
4710 SWI "OS_ClaimScreenMemory"
4720 B Finish
4730.Wimp
4740 MVN R0,#0
4750 MOV R1,#0
4760 MOV R2,#0
4770 MOV R3,#1280
4780 SUB R3,R3,#1
4790 MOV R4,#1024
4800 SUB R4,R4,#1
4810 SWI "XWimp_ForceRedraw"
4820
4830.Finish
4840 MOV R0,PC
4850 ORR R0,R0,#1<<27 \ Set interrupt flag
4860 TEQP R0,#0 \ Write to flag
4870 LDRB R0,Active
4880 SUB R0,R0,#128 \ Restore active flag
4890 STRB R0,Active
4900 ADR R14,RegStore
4910 LDMIA R14,{R0-R14}^
4920 LDR R14,[R14,#15*4]
4930 MOVS PC,R14
4940
4950.EscapeS
4960 EQUD 17
4970 EQUS "Escape"
4980 EQUB 0
4990 ALIGN
5000.EscError
5010 MOV R0,#124
5020 SWI "XOS_Byte" \ Clear Escape condition
5030 ADR R0,EscapeS
5040.PrintError
5050 ADD R0,R0,#4
5060 SWI "OS_NewLine"
5070 SWI "OS_Write0"
5080 B ECLoop
5090]
5100NEXT
5110OSCLI("SAVE IntModule "+STR$~Space+"+"+STR$~P%)
5120OSCLI("SETTYPE IntModule FFA")
� >$.IntSrc
� Author Steve Hoare
� January 1989
('� Source code for Interrupt module
2
<� Space &1000
F� I%=4 � 7 � 3
PP%=0:O%=Space
Z [OPT I%
d EQUD 0; Start
n EQUD Init
x EQUD Final
� EQUD Service
� EQUD Title
� EQUD Help
� EQUD Table
�* EQUD 0; SWI stuff (not needed)
� EQUD 0; SWI stuff
� EQUD 0; SWI stuff
� EQUD 0; SWI stuff
� .Help
�= EQUS "Prog interrupt":EQUB 9:EQUS "1.00 (15 Jan 1989)"
�
EQUB 0
�
.Title
� EQUS "IntModule"
EQUB 0
ALIGN
.Table
" EQUS "Interrupt"
,
EQUB 0
6 ALIGN
@ EQUD Interrupt
JN EQUD &FF0001 ; at least 1 parameter, no maximum, not GSTransed
T EQUD InterruptSyn
^ EQUD InterruptHelp
h EQUS "Freeze"
r
EQUB 0
| ALIGN
� EQUD Freeze
�
EQUD 0
� EQUD FreezeSyn
� EQUD FreezeHelp
�0 EQUD 0; End of command table
�
�.InterruptHelp
�} EQUS "*Interrupt sets up a routine to stop an application with a key press and perform a specified *command":EQUW &D0A
�] EQUS "If no command is given *commands can be typed during the interruption":EQUW &D0A
�a EQUS "*Interrupt <key> Freeze - waits until the space bar is pressed & released":EQUW &D0A
�D EQUS "*Interrupt -1 disables the interrupt routine":EQUW &D0A
�.InterruptSyn
�: EQUS "Syntax: *Interrupt <ASCII code> [<*command>]"
EQUB 0
ALIGN
&.FreezeHelp
0[ EQUS "*Freeze stops processing until the spacebar is pressed and released":EQUW &D0A
:.FreezeSyn
D$ EQUS "Syntax: *Freeze":EQUB 0
N ALIGN
X
b .Freeze
l STMFD R13!,{R0-R3,R14}
v MOV R0,#129
�.FreezeLoop1
� MVN R1,#98
� MOV R2,#255
� SWI "OS_Byte"
� CMP R1,#255
� CMPEQ R2,#255
� BNE FreezeLoop1
�.FreezeLoop2
� MVN R1,#98
� MOV R2,#255
� SWI "OS_Byte"
� CMP R1,#255
� CMPEQ R2,#255
BEQ FreezeLoop2
MOV R0,#21
MOV R1,#0
SWI "OS_Byte"
* LDMFD R13!,{R0-R3,PC}
4
> .Service
H, CMP R1,#&27 \ Is this post reset
R' MOVNE PC,R14 \ Return if not
\ STMFD R13!,{R0-R2,R14}
f LDRB R0,Active
p CMP R0,#128
z SUBCS R0,R0,#128
�F STRB R0,Active \ If active during reset then clear active flag
� MOV R0,#0
�1 STRB R0,Claimed \ Reset flags to indicate
�) STRB R0,Enabled \ loss of control
�9 B CheckState \ Reclaim vector and enable event
�
� .Init
� STMFD R13!,{R0-R2,R14}
� LDRB R0,Claimed
�.CheckState
� CMP R0,#255
�/ BEQ Init1 \ Vector already claimed
� MOV R0,#255
STRB R0,Claimed
MOV R0,#16 \ Event vector
ADR R1,EventEntry
$ MOV R2,#0
. SWI "OS_Claim"
8
.Init1
B LDRB R0,Enabled
L CMP R0,#255
V0 LDMEQFD R13!,{PC} \ Event already enabled
` MOV R0,#255
j STRB R0,Enabled
t MOV R0,#14 \ Enable event
~( MOV R1,#2 \ Keyboard input event
� SWI "OS_Byte"
� LDMFD R13!,{R0-R2,PC}
�
�
.Final
� STMFD R13!,{R14}
� LDRB R0,Enabled
� CMP R0,#255
�& BNE Final1 \ Already disabled
� MOV R0,#0
� STRB R0,Enabled
�! MOV R0,#13 \ Disable event
�( MOV R1,#2 \ Keyboard input event
SWI "OS_Byte"
.Final1
LDRB R0,Claimed
CMP R0,#255
(2 LDMNEFD R13!,{PC} \ Vector already released
2 MOV R0,#0
< STRB R0,Claimed
F MOV R0,#16 \ Event vector
P ADR R1,EventEntry
Z MOV R2,#0
d SWI "OS_Release"
n LDMFD R13!,{PC}
x
�.Interrupt
� STMFD R13!,{R0-R4,R14}
� MOV R3,R0
� MOV R4,R1
� ADR R0,Buffer
� .Int1
�1 LDRB R1,[R3],#1 \ Get next byte of command
�' CMP R1,#32 \ Is it a space?
�) �Q R1,#13 \ If so convert to CR
�( STRB R1,[R0],#1 \ Store in buffer
� CMP R1,#13
�4 BNE Int1 \ Not at end so get next byte
� ADR R0,Buffer
ADR R1,RegStore
MOV R2,#63
# SWI "XOS_EvaluateExpression"
" BVS Int5
,) CMP R1,#0 \ Is it an integer?
6' BEQ Int2 \ Yes so continue
@ .Int3
J ADR R0,CodeErr
T .Int5
^ LDMFD R13!,{R1-R5}
h B Error
r .Int2
| CMP R2,#256
�( BCC Int4 \ Valid code number
� CMN R2,#1 \ Is it -1?
�0 BNE Int3 \ No so not valid parameter
� LDRB R1,Active
� MOV R0,#0
� CMP R1,#128
� MOVCS R0,#128
�. STRB R0,Active \ Clear the active flag
� LDMFD R13!,{R0-R4,PC}
� .Int4
� ADR R1,Code
�2 STRB R2,[R1] \ Store the keycode required
� LDRB R1,Active
� R1,R1,#128
ADD R1,R1,#1
+ CMP R4,#1 \ Only one parameter?
& ADDNE R1,R1,#1
0 STRB R1,Active
:; LDMEQFD R13!,{R0-R4,PC} \ If no other param then end
D MOV R0,R3
N ADR R1,Command
X
.ComMove1
b LDRB R2,[R0],#1
l STRB R2,[R1],#1
v CMP R2,#13
� BNE ComMove1
� LDMFD R13!,{R0-R4,PC}
�
� .CodeErr
� EQUD 67745
�# EQUS "Bad keycode parameter"
�
EQUB 0
� ALIGN
�
�
.Error
� MOV R1,PC
�) �R R1,R1,#1<<28 \ Set "V" flag bit
� TEQP R1,#0
LDMFD R13!,{PC}
.Claimed
? EQUB 0 \ set to 255 when module has claimed event vector
* .Enabled
48 EQUB 0 \ set to 255 when module has enabled event
> ALIGN
H
R.EventEntry
\ STMFD R13!,{R7,R14}
f LDRB R7,Code
p CMP R7,R2
z4 LDMNEFD R13!,{R7,PC} \ Not our key so pass on
� LDRB R7,Active
�. CMP R7,#1 \ Are we active and
�. CMPNE R7,#2 \ not busy already?
�, LDMNEFD R13!,{R7,PC} \ No, so pass on
� STMFD R13!,{R0,R1,R6}
� MOV R6,PC
� �R R7,R6,#3
�# TEQP R7,#0 \ Enter SVC mode
� MOVNV R0,R0
�- STMFD R13!,{R14} \ Store SVC mode link
� ADR R0,RegStore
� ADR R1,Return
� SWI "OS_CallBack"
SWI "OS_SetCallBack"
/ LDMFD R13!,{R14} \ Restore SVC mode link
/ TEQP R6,#0 \ Restore original mode
$ MOVNV R0,R0
." LDMFD R13!,{R0,R1,R6,R7,PC}
8
B .Active
L� EQUD 0 \ 0=Not active,1=enter commands,2=execute specified command - 128 added to current value while actually processing
V .Code
`. EQUD 0 \ Storage for keycode required
j
t .Buffer
~ ]
�
�P%+=256:O%+=256
�Command=P%
�P%+=256:O%+=256
�RegStore=P%
�P%+=64:O%+=64
� [OPT I%
� .Return
� LDRB R0,Active
� ADD R0,R0,#128
�= STRB R0,Active \ Change active flag to indicate busy
� MOV R1,PC
. BIC R1,R1,#1<<27 \ Clear interrupt flag
% �R R1,R1,#3 \ Set SVC mode
( TEQP R1,#0 \ Enter SVC mode
MOVNV R1,R1
( CMP R0,#129
21 BEQ EnterCommand \ Commands to be typed in
<7 ADR R0,Command \ else execute selected command
F SWI "XOS_CLI"
P3 SWIVS 256+7+(1<<17) \ Beep if error occurred
Z B Finish
d7.EnterCommand \ Prepare screen for command entry
n MOV R0,#117
x SWI "XOS_Byte"
� STRB R1,VduStatus
� MOV R0,#3
�: MOV R1,#%1010100 \ Disable printer, Spool and RS423
� SWI "XOS_Byte"
� STRB R1,Streams
� MOV R0,#165
� SWI "XOS_Byte"
� STRB R1,CursorPos
� STRB R2,CursorPos+1
� MOV R0,#218
� MOV R1,#0
� MOV R2,#0
�" SWI "XOS_Byte" \ Clear � Q
MOV R0,#0
MOV R1,#16
SWI "XOS_ReadPalette"
" STR R2,Colours
, STR R3,Colours+4
6 MOV R0,#1
@ SWI "XOS_ReadPalette"
J STR R2,Colours+8
T STR R3,Colours+12
^ ADR R0,VduBlock
h ADR R1,Window
r! SWI "XOS_ReadVduVariables"
| LDR R0,ScreenWidth
� STRB R0,NewSettings+4
� MOV R0,#1
� LDR R3,ScreenSize
� MOV R1,R3,LSR #1
�" SWI "XOS_ClaimScreenMemory"
� MOVCS R2,#0
�L STR R2,ScreenClaimed \ Set flag to indicate if screen memory found
� BCS VduSequence
� LDR R1,ScreenStart
� MOV R3,R3,LSR #1
�.ScreenLoop1
� LDMIA R1!,{R4-R11}
� STMIA R2!,{R4-R11}
SUBS R3,R3,#32
BHI ScreenLoop1
.VduSequence
& ADR R0,NewSettings
0 ADR R1,Terminator
: SUB R1,R1,R0
D SWI "OS_WriteN"
N
X .ECLoop
b SWI "OS_WriteS"
l EQUD &002A0A0D
v ADR R0,Buffer
� MOV R1,#254
� MOV R2,#32
� MOV R3,#255
� SWI "XOS_ReadLine"
� BCS EscError
� BVS PrintError
� CMP R1,#0
� BEQ TidyUp
� SWI "XOS_CLI"
� BVS PrintError
� B ECLoop
�B.VduBlock \ Used as input block for OS_ReadVduVariables
� EQUD 132
EQUD 133
EQUD 134
EQUD 135
EQUD 149
* EQUD 155
4 EQUD 156
> EQUD 159
H EQUD 160
R
EQUD 1
\
EQUD 7
f EQUD -1
pC.Colours \ Used to store application � variable settings
z
EQUD 0
�
EQUD 0
�
EQUD 0
�
EQUD 0
� .Window
�
EQUD 0
�
EQUD 0
�
EQUD 0
�
EQUD 0
�.ScreenStart
�
EQUD 0
� .LogCols
�
EQUD 0
�
EQUD 0
.Tints
EQUD 0
EQUD 0
$.ScreenWidth
.
EQUD 0
8.ScreenSize
B
EQUD 0
L.ScreenClaimed
V
EQUD 0
`.VduStatus
j
EQUB 0
t.CursorPos
~
EQUW 0
� .Streams
�
EQUB 0
�F.NewSettings \ Contains � codes to set up command entry screen
� EQUB 6 \ Re enable �
� EQUB 28 \ Set text window
�
EQUB 0
� EQUB 12
�# EQUB 0 \ updated by program
�
EQUB 0
�& EQUB 19 \ Define col 0 as blue
�
EQUB 0
�
EQUD 4
' EQUB 19 \ Define col 1 as white
EQUB 1
EQUD 7
EQUB 15 \ Set paged mode
( EQUB 4 \ Use text cursor
2% EQUB 17 \ Select Text colour 1
<
EQUB 1
F+ EQUB 17 \ Select background colour 0
P EQUB 128
Z EQUB 12 \ �
d.Terminator
n STMFD R13!,{R0,R14}
x MOV R0,#8
�
.TermLoop
� SWI 256
� SUBS R0,R0,#1
� BNE TermLoop
� LDMFD R13!,{R0,PC}
�
�K.TidyUp \ Resets application � variables and restores screen
� ADR R3,Colours
� MOV R1,#4
� MOV R2,#12
� .TLoop1
� SWI 256+19
� MOV R0,R2,LSR #3
SWI "OS_WriteC"
ADD R0,R3,R2
SWI "OS_WriteN"
" SUBS R2,R2,#4
, BPL TLoop1
6 MOV R2,#4
@ ADR R3,Tints
J .TLoop2
T SWI 256+23
^ SWI 256+17
h MOV R0,R2,LSR #2
r SWI "OS_WriteC"
| LDR R0,[R3,R2]
� SWI "OS_WriteC"
� BL Terminator
� SUBS R2,R2,#4
� BPL TLoop2
� LDRB R0,LogCols
� SWI 256+17
� SWI "OS_WriteC"
� LDRB R0,LogCols+4
� ADD R0,R0,#128
� SWI 256+17
� SWI "OS_WriteC"
� SWI 256+28
� ADR R1,Window
MOV R2,#4
.TLoop3
LDRB R0,[R1],#4
& SWI "OS_WriteC"
0 SUBS R2,R2,#1
: BNE TLoop3
D SWI 256+31
N LDRB R0,CursorPos
X SWI "OS_WriteC"
b LDRB R0,CursorPos+1
l SWI "OS_WriteC"
v LDRB R3,VduStatus
�' TST R3,#1 \ Printer enabled bit
� SWINE 256+2
�! TST R3,#4 \ Paged mode bit
�1 SWIEQ 256+15 \ Not set so clear paged mode
� TST R3,#32 \ �5 bit
� SWINE 256+5
�) TST R3,#128 \ Disabled by � 21 bit
� SWINE 256+21
� LDRB R1,Streams
� MOV R0,#3
� SWI "OS_Byte"
� LDR R1,ScreenClaimed
� CMP R1,#0
BEQ Wimp
LDR R2,ScreenStart
LDR R3,ScreenSize
MOV R3,R3,LSR #1
* .TLoop4
4 LDMIA R1!,{R4-R11}
> STMIA R2!,{R4-R11}
H SUBS R3,R3,#32
R BHI TLoop4
\ MOV R0,#0
f! SWI "OS_ClaimScreenMemory"
p B Finish
z .Wimp
� MVN R0,#0
� MOV R1,#0
� MOV R2,#0
� MOV R3,#1280
� SUB R3,R3,#1
� MOV R4,#1024
� SUB R4,R4,#1
� SWI "XWimp_ForceRedraw"
�
� .Finish
� MOV R0,PC
�+ �R R0,R0,#1<<27 \ Set interrupt flag
�' TEQP R0,#0 \ Write to flag
LDRB R0,Active
, SUB R0,R0,#128 \ Restore active flag
STRB R0,Active
$ ADR R14,RegStore
. LDMIA R14,{R0-R14}^
8 LDR R14,[R14,#15*4]
B MOVS PC,R14
L
V .EscapeS
` EQUD 17
j EQUS "Escape"
t
EQUB 0
~ ALIGN
�
.EscError
� MOV R0,#124
�. SWI "XOS_Byte" \ Clear Escape condition
� ADR R0,EscapeS
�.PrintError
� ADD R0,R0,#4
� SWI "OS_NewLine"
� SWI "OS_Write0"
� B ECLoop
�]
��
�)�("SAVE IntModule "+�~Space+"+"+�~P%)
�("SETTYPE IntModule FFA")
� 00000000 0d 00 0a 10 f4 20 20 3e 24 2e 49 6e 74 53 72 63 |..... >$.IntSrc|
00000010 0d 00 14 19 f4 20 20 41 75 74 68 6f 72 20 53 74 |..... Author St|
00000020 65 76 65 20 48 6f 61 72 65 0d 00 1e 13 f4 20 20 |eve Hoare..... |
00000030 4a 61 6e 75 61 72 79 20 31 39 38 39 0d 00 28 27 |January 1989..('|
00000040 f4 20 20 53 6f 75 72 63 65 20 63 6f 64 65 20 66 |. Source code f|
00000050 6f 72 20 49 6e 74 65 72 72 75 70 74 20 6d 6f 64 |or Interrupt mod|
00000060 75 6c 65 0d 00 32 04 0d 00 3c 11 de 20 53 70 61 |ule..2...<.. Spa|
00000070 63 65 20 26 31 30 30 30 0d 00 46 12 e3 20 49 25 |ce &1000..F.. I%|
00000080 3d 34 20 b8 20 37 20 88 20 33 0d 00 50 11 50 25 |=4 . 7 . 3..P.P%|
00000090 3d 30 3a 4f 25 3d 53 70 61 63 65 0d 00 5a 0b 5b |=0:O%=Space..Z.[|
000000a0 4f 50 54 20 49 25 0d 00 64 19 20 20 20 45 51 55 |OPT I%..d. EQU|
000000b0 44 20 30 3b 20 20 20 20 20 20 53 74 61 72 74 0d |D 0; Start.|
000000c0 00 6e 10 20 20 20 45 51 55 44 20 49 6e 69 74 0d |.n. EQUD Init.|
000000d0 00 78 11 20 20 20 45 51 55 44 20 46 69 6e 61 6c |.x. EQUD Final|
000000e0 0d 00 82 13 20 20 20 45 51 55 44 20 53 65 72 76 |.... EQUD Serv|
000000f0 69 63 65 0d 00 8c 11 20 20 20 45 51 55 44 20 54 |ice.... EQUD T|
00000100 69 74 6c 65 0d 00 96 10 20 20 20 45 51 55 44 20 |itle.... EQUD |
00000110 48 65 6c 70 0d 00 a0 11 20 20 20 45 51 55 44 20 |Help.... EQUD |
00000120 54 61 62 6c 65 0d 00 aa 2a 20 20 20 45 51 55 44 |Table...* EQUD|
00000130 20 30 3b 20 20 20 20 20 20 53 57 49 20 73 74 75 | 0; SWI stu|
00000140 66 66 20 28 6e 6f 74 20 6e 65 65 64 65 64 29 0d |ff (not needed).|
00000150 00 b4 1d 20 20 20 45 51 55 44 20 30 3b 20 20 20 |... EQUD 0; |
00000160 20 20 20 53 57 49 20 73 74 75 66 66 0d 00 be 1d | SWI stuff....|
00000170 20 20 20 45 51 55 44 20 30 3b 20 20 20 20 20 20 | EQUD 0; |
00000180 53 57 49 20 73 74 75 66 66 0d 00 c8 1d 20 20 20 |SWI stuff.... |
00000190 45 51 55 44 20 30 3b 20 20 20 20 20 20 53 57 49 |EQUD 0; SWI|
000001a0 20 73 74 75 66 66 0d 00 d2 09 2e 48 65 6c 70 0d | stuff.....Help.|
000001b0 00 dc 3d 20 20 20 45 51 55 53 20 22 50 72 6f 67 |..= EQUS "Prog|
000001c0 20 69 6e 74 65 72 72 75 70 74 22 3a 45 51 55 42 | interrupt":EQUB|
000001d0 20 39 3a 45 51 55 53 20 22 31 2e 30 30 20 28 31 | 9:EQUS "1.00 (1|
000001e0 35 20 4a 61 6e 20 31 39 38 39 29 22 0d 00 e6 0d |5 Jan 1989)"....|
000001f0 20 20 20 45 51 55 42 20 30 0d 00 f0 0a 2e 54 69 | EQUB 0.....Ti|
00000200 74 6c 65 0d 00 fa 17 20 20 20 45 51 55 53 20 22 |tle.... EQUS "|
00000210 49 6e 74 4d 6f 64 75 6c 65 22 0d 01 04 0d 20 20 |IntModule".... |
00000220 20 45 51 55 42 20 30 0d 01 0e 0c 20 20 20 41 4c | EQUB 0.... AL|
00000230 49 47 4e 0d 01 18 0a 2e 54 61 62 6c 65 0d 01 22 |IGN.....Table.."|
00000240 17 20 20 20 45 51 55 53 20 22 49 6e 74 65 72 72 |. EQUS "Interr|
00000250 75 70 74 22 0d 01 2c 0d 20 20 20 45 51 55 42 20 |upt"..,. EQUB |
00000260 30 0d 01 36 0c 20 20 20 41 4c 49 47 4e 0d 01 40 |0..6. ALIGN..@|
00000270 15 20 20 20 45 51 55 44 20 49 6e 74 65 72 72 75 |. EQUD Interru|
00000280 70 74 0d 01 4a 4e 20 20 20 45 51 55 44 20 26 46 |pt..JN EQUD &F|
00000290 46 30 30 30 31 20 20 20 20 20 20 20 20 20 3b 20 |F0001 ; |
000002a0 20 61 74 20 6c 65 61 73 74 20 31 20 70 61 72 61 | at least 1 para|
000002b0 6d 65 74 65 72 2c 20 6e 6f 20 6d 61 78 69 6d 75 |meter, no maximu|
000002c0 6d 2c 20 6e 6f 74 20 47 53 54 72 61 6e 73 65 64 |m, not GSTransed|
000002d0 0d 01 54 18 20 20 20 45 51 55 44 20 49 6e 74 65 |..T. EQUD Inte|
000002e0 72 72 75 70 74 53 79 6e 0d 01 5e 19 20 20 20 45 |rruptSyn..^. E|
000002f0 51 55 44 20 49 6e 74 65 72 72 75 70 74 48 65 6c |QUD InterruptHel|
00000300 70 0d 01 68 14 20 20 20 45 51 55 53 20 22 46 72 |p..h. EQUS "Fr|
00000310 65 65 7a 65 22 0d 01 72 0d 20 20 20 45 51 55 42 |eeze"..r. EQUB|
00000320 20 30 0d 01 7c 0c 20 20 20 41 4c 49 47 4e 0d 01 | 0..|. ALIGN..|
00000330 86 12 20 20 20 45 51 55 44 20 46 72 65 65 7a 65 |.. EQUD Freeze|
00000340 0d 01 90 0d 20 20 20 45 51 55 44 20 30 0d 01 9a |.... EQUD 0...|
00000350 15 20 20 20 45 51 55 44 20 46 72 65 65 7a 65 53 |. EQUD FreezeS|
00000360 79 6e 0d 01 a4 16 20 20 20 45 51 55 44 20 46 72 |yn.... EQUD Fr|
00000370 65 65 7a 65 48 65 6c 70 0d 01 ae 30 20 20 20 45 |eezeHelp...0 E|
00000380 51 55 44 20 30 3b 20 20 20 20 20 20 20 20 20 20 |QUD 0; |
00000390 20 20 20 20 45 6e 64 20 6f 66 20 63 6f 6d 6d 61 | End of comma|
000003a0 6e 64 20 74 61 62 6c 65 0d 01 b8 04 0d 01 c2 12 |nd table........|
000003b0 2e 49 6e 74 65 72 72 75 70 74 48 65 6c 70 0d 01 |.InterruptHelp..|
000003c0 cc 7d 20 20 20 45 51 55 53 20 22 2a 49 6e 74 65 |.} EQUS "*Inte|
000003d0 72 72 75 70 74 20 73 65 74 73 20 75 70 20 61 20 |rrupt sets up a |
000003e0 72 6f 75 74 69 6e 65 20 74 6f 20 73 74 6f 70 20 |routine to stop |
000003f0 61 6e 20 61 70 70 6c 69 63 61 74 69 6f 6e 20 77 |an application w|
00000400 69 74 68 20 61 20 6b 65 79 20 70 72 65 73 73 20 |ith a key press |
00000410 61 6e 64 20 70 65 72 66 6f 72 6d 20 61 20 73 70 |and perform a sp|
00000420 65 63 69 66 69 65 64 20 2a 63 6f 6d 6d 61 6e 64 |ecified *command|
00000430 22 3a 45 51 55 57 20 26 44 30 41 0d 01 d6 5d 20 |":EQUW &D0A...] |
00000440 20 20 45 51 55 53 20 22 49 66 20 6e 6f 20 63 6f | EQUS "If no co|
00000450 6d 6d 61 6e 64 20 69 73 20 67 69 76 65 6e 20 2a |mmand is given *|
00000460 63 6f 6d 6d 61 6e 64 73 20 63 61 6e 20 62 65 20 |commands can be |
00000470 74 79 70 65 64 20 64 75 72 69 6e 67 20 74 68 65 |typed during the|
00000480 20 69 6e 74 65 72 72 75 70 74 69 6f 6e 22 3a 45 | interruption":E|
00000490 51 55 57 20 26 44 30 41 0d 01 e0 61 20 20 20 45 |QUW &D0A...a E|
000004a0 51 55 53 20 22 2a 49 6e 74 65 72 72 75 70 74 20 |QUS "*Interrupt |
000004b0 3c 6b 65 79 3e 20 46 72 65 65 7a 65 20 2d 20 77 |<key> Freeze - w|
000004c0 61 69 74 73 20 75 6e 74 69 6c 20 74 68 65 20 73 |aits until the s|
000004d0 70 61 63 65 20 62 61 72 20 69 73 20 70 72 65 73 |pace bar is pres|
000004e0 73 65 64 20 26 20 72 65 6c 65 61 73 65 64 22 3a |sed & released":|
000004f0 45 51 55 57 20 26 44 30 41 0d 01 ea 44 20 20 20 |EQUW &D0A...D |
00000500 45 51 55 53 20 22 2a 49 6e 74 65 72 72 75 70 74 |EQUS "*Interrupt|
00000510 20 2d 31 20 64 69 73 61 62 6c 65 73 20 74 68 65 | -1 disables the|
00000520 20 69 6e 74 65 72 72 75 70 74 20 72 6f 75 74 69 | interrupt routi|
00000530 6e 65 22 3a 45 51 55 57 20 26 44 30 41 0d 01 f4 |ne":EQUW &D0A...|
00000540 11 2e 49 6e 74 65 72 72 75 70 74 53 79 6e 0d 01 |..InterruptSyn..|
00000550 fe 3a 20 20 20 45 51 55 53 20 22 53 79 6e 74 61 |.: EQUS "Synta|
00000560 78 3a 20 2a 49 6e 74 65 72 72 75 70 74 20 3c 41 |x: *Interrupt <A|
00000570 53 43 49 49 20 63 6f 64 65 3e 20 5b 3c 2a 63 6f |SCII code> [<*co|
00000580 6d 6d 61 6e 64 3e 5d 22 0d 02 08 0d 20 20 20 45 |mmand>]".... E|
00000590 51 55 42 20 30 0d 02 12 0c 20 20 20 41 4c 49 47 |QUB 0.... ALIG|
000005a0 4e 0d 02 1c 04 0d 02 26 0f 2e 46 72 65 65 7a 65 |N......&..Freeze|
000005b0 48 65 6c 70 0d 02 30 5b 20 20 20 45 51 55 53 20 |Help..0[ EQUS |
000005c0 22 2a 46 72 65 65 7a 65 20 73 74 6f 70 73 20 70 |"*Freeze stops p|
000005d0 72 6f 63 65 73 73 69 6e 67 20 75 6e 74 69 6c 20 |rocessing until |
000005e0 74 68 65 20 73 70 61 63 65 62 61 72 20 69 73 20 |the spacebar is |
000005f0 70 72 65 73 73 65 64 20 61 6e 64 20 72 65 6c 65 |pressed and rele|
00000600 61 73 65 64 22 3a 45 51 55 57 20 26 44 30 41 0d |ased":EQUW &D0A.|
00000610 02 3a 0e 2e 46 72 65 65 7a 65 53 79 6e 0d 02 44 |.:..FreezeSyn..D|
00000620 24 20 20 20 45 51 55 53 20 22 53 79 6e 74 61 78 |$ EQUS "Syntax|
00000630 3a 20 2a 46 72 65 65 7a 65 22 3a 45 51 55 42 20 |: *Freeze":EQUB |
00000640 30 0d 02 4e 0c 20 20 20 41 4c 49 47 4e 0d 02 58 |0..N. ALIGN..X|
00000650 04 0d 02 62 0b 2e 46 72 65 65 7a 65 0d 02 6c 1d |...b..Freeze..l.|
00000660 20 20 20 53 54 4d 46 44 20 52 31 33 21 2c 7b 52 | STMFD R13!,{R|
00000670 30 2d 52 33 2c 52 31 34 7d 0d 02 76 12 20 20 20 |0-R3,R14}..v. |
00000680 4d 4f 56 20 52 30 2c 23 31 32 39 0d 02 80 10 2e |MOV R0,#129.....|
00000690 46 72 65 65 7a 65 4c 6f 6f 70 31 0d 02 8a 11 20 |FreezeLoop1.... |
000006a0 20 20 4d 56 4e 20 52 31 2c 23 39 38 0d 02 94 12 | MVN R1,#98....|
000006b0 20 20 20 4d 4f 56 20 52 32 2c 23 32 35 35 0d 02 | MOV R2,#255..|
000006c0 9e 14 20 20 20 53 57 49 20 22 4f 53 5f 42 79 74 |.. SWI "OS_Byt|
000006d0 65 22 0d 02 a8 12 20 20 20 43 4d 50 20 52 31 2c |e".... CMP R1,|
000006e0 23 32 35 35 0d 02 b2 14 20 20 20 43 4d 50 45 51 |#255.... CMPEQ|
000006f0 20 52 32 2c 23 32 35 35 0d 02 bc 16 20 20 20 42 | R2,#255.... B|
00000700 4e 45 20 46 72 65 65 7a 65 4c 6f 6f 70 31 0d 02 |NE FreezeLoop1..|
00000710 c6 10 2e 46 72 65 65 7a 65 4c 6f 6f 70 32 0d 02 |...FreezeLoop2..|
00000720 d0 11 20 20 20 4d 56 4e 20 52 31 2c 23 39 38 0d |.. MVN R1,#98.|
00000730 02 da 12 20 20 20 4d 4f 56 20 52 32 2c 23 32 35 |... MOV R2,#25|
00000740 35 0d 02 e4 14 20 20 20 53 57 49 20 22 4f 53 5f |5.... SWI "OS_|
00000750 42 79 74 65 22 0d 02 ee 12 20 20 20 43 4d 50 20 |Byte".... CMP |
00000760 52 31 2c 23 32 35 35 0d 02 f8 14 20 20 20 43 4d |R1,#255.... CM|
00000770 50 45 51 20 52 32 2c 23 32 35 35 0d 03 02 16 20 |PEQ R2,#255.... |
00000780 20 20 42 45 51 20 46 72 65 65 7a 65 4c 6f 6f 70 | BEQ FreezeLoop|
00000790 32 0d 03 0c 11 20 20 20 4d 4f 56 20 52 30 2c 23 |2.... MOV R0,#|
000007a0 32 31 0d 03 16 10 20 20 20 4d 4f 56 20 52 31 2c |21.... MOV R1,|
000007b0 23 30 0d 03 20 14 20 20 20 53 57 49 20 22 4f 53 |#0.. . SWI "OS|
000007c0 5f 42 79 74 65 22 0d 03 2a 1c 20 20 20 4c 44 4d |_Byte"..*. LDM|
000007d0 46 44 20 52 31 33 21 2c 7b 52 30 2d 52 33 2c 50 |FD R13!,{R0-R3,P|
000007e0 43 7d 0d 03 34 04 0d 03 3e 0c 2e 53 65 72 76 69 |C}..4...>..Servi|
000007f0 63 65 0d 03 48 2c 20 20 20 43 4d 50 20 52 31 2c |ce..H, CMP R1,|
00000800 23 26 32 37 20 20 20 20 20 20 5c 20 49 73 20 74 |#&27 \ Is t|
00000810 68 69 73 20 70 6f 73 74 20 72 65 73 65 74 0d 03 |his post reset..|
00000820 52 27 20 20 20 4d 4f 56 4e 45 20 50 43 2c 52 31 |R' MOVNE PC,R1|
00000830 34 20 20 20 20 20 5c 20 52 65 74 75 72 6e 20 69 |4 \ Return i|
00000840 66 20 6e 6f 74 0d 03 5c 1d 20 20 20 53 54 4d 46 |f not..\. STMF|
00000850 44 20 52 31 33 21 2c 7b 52 30 2d 52 32 2c 52 31 |D R13!,{R0-R2,R1|
00000860 34 7d 0d 03 66 15 20 20 20 4c 44 52 42 20 52 30 |4}..f. LDRB R0|
00000870 2c 41 63 74 69 76 65 0d 03 70 12 20 20 20 43 4d |,Active..p. CM|
00000880 50 20 52 30 2c 23 31 32 38 0d 03 7a 17 20 20 20 |P R0,#128..z. |
00000890 53 55 42 43 53 20 52 30 2c 52 30 2c 23 31 32 38 |SUBCS R0,R0,#128|
000008a0 0d 03 84 46 20 20 20 53 54 52 42 20 52 30 2c 41 |...F STRB R0,A|
000008b0 63 74 69 76 65 20 20 5c 20 49 66 20 61 63 74 69 |ctive \ If acti|
000008c0 76 65 20 64 75 72 69 6e 67 20 72 65 73 65 74 20 |ve during reset |
000008d0 74 68 65 6e 20 63 6c 65 61 72 20 61 63 74 69 76 |then clear activ|
000008e0 65 20 66 6c 61 67 0d 03 8e 10 20 20 20 4d 4f 56 |e flag.... MOV|
000008f0 20 52 30 2c 23 30 0d 03 98 31 20 20 20 53 54 52 | R0,#0...1 STR|
00000900 42 20 52 30 2c 43 6c 61 69 6d 65 64 20 20 5c 20 |B R0,Claimed \ |
00000910 52 65 73 65 74 20 66 6c 61 67 73 20 74 6f 20 69 |Reset flags to i|
00000920 6e 64 69 63 61 74 65 0d 03 a2 29 20 20 20 53 54 |ndicate...) ST|
00000930 52 42 20 52 30 2c 45 6e 61 62 6c 65 64 20 20 5c |RB R0,Enabled \|
00000940 20 6c 6f 73 73 20 6f 66 20 63 6f 6e 74 72 6f 6c | loss of control|
00000950 0d 03 ac 39 20 20 20 42 20 43 68 65 63 6b 53 74 |...9 B CheckSt|
00000960 61 74 65 20 20 20 20 20 5c 20 52 65 63 6c 61 69 |ate \ Reclai|
00000970 6d 20 76 65 63 74 6f 72 20 61 6e 64 20 65 6e 61 |m vector and ena|
00000980 62 6c 65 20 65 76 65 6e 74 0d 03 b6 04 0d 03 c0 |ble event.......|
00000990 09 2e 49 6e 69 74 0d 03 ca 1d 20 20 20 53 54 4d |..Init.... STM|
000009a0 46 44 20 52 31 33 21 2c 7b 52 30 2d 52 32 2c 52 |FD R13!,{R0-R2,R|
000009b0 31 34 7d 0d 03 d4 16 20 20 20 4c 44 52 42 20 52 |14}.... LDRB R|
000009c0 30 2c 43 6c 61 69 6d 65 64 0d 03 de 0f 2e 43 68 |0,Claimed.....Ch|
000009d0 65 63 6b 53 74 61 74 65 0d 03 e8 12 20 20 20 43 |eckState.... C|
000009e0 4d 50 20 52 30 2c 23 32 35 35 0d 03 f2 2f 20 20 |MP R0,#255.../ |
000009f0 20 42 45 51 20 49 6e 69 74 31 20 20 20 20 20 20 | BEQ Init1 |
00000a00 20 5c 20 56 65 63 74 6f 72 20 61 6c 72 65 61 64 | \ Vector alread|
00000a10 79 20 63 6c 61 69 6d 65 64 0d 03 fc 12 20 20 20 |y claimed.... |
00000a20 4d 4f 56 20 52 30 2c 23 32 35 35 0d 04 06 16 20 |MOV R0,#255.... |
00000a30 20 20 53 54 52 42 20 52 30 2c 43 6c 61 69 6d 65 | STRB R0,Claime|
00000a40 64 0d 04 10 20 20 20 20 4d 4f 56 20 52 30 2c 23 |d... MOV R0,#|
00000a50 31 36 20 5c 20 45 76 65 6e 74 20 76 65 63 74 6f |16 \ Event vecto|
00000a60 72 0d 04 1a 18 20 20 20 41 44 52 20 52 31 2c 45 |r.... ADR R1,E|
00000a70 76 65 6e 74 45 6e 74 72 79 0d 04 24 10 20 20 20 |ventEntry..$. |
00000a80 4d 4f 56 20 52 32 2c 23 30 0d 04 2e 15 20 20 20 |MOV R2,#0.... |
00000a90 53 57 49 20 22 4f 53 5f 43 6c 61 69 6d 22 0d 04 |SWI "OS_Claim"..|
00000aa0 38 0a 2e 49 6e 69 74 31 0d 04 42 16 20 20 20 4c |8..Init1..B. L|
00000ab0 44 52 42 20 52 30 2c 45 6e 61 62 6c 65 64 0d 04 |DRB R0,Enabled..|
00000ac0 4c 12 20 20 20 43 4d 50 20 52 30 2c 23 32 35 35 |L. CMP R0,#255|
00000ad0 0d 04 56 30 20 20 20 4c 44 4d 45 51 46 44 20 52 |..V0 LDMEQFD R|
00000ae0 31 33 21 2c 7b 50 43 7d 20 5c 20 45 76 65 6e 74 |13!,{PC} \ Event|
00000af0 20 61 6c 72 65 61 64 79 20 65 6e 61 62 6c 65 64 | already enabled|
00000b00 0d 04 60 12 20 20 20 4d 4f 56 20 52 30 2c 23 32 |..`. MOV R0,#2|
00000b10 35 35 0d 04 6a 16 20 20 20 53 54 52 42 20 52 30 |55..j. STRB R0|
00000b20 2c 45 6e 61 62 6c 65 64 0d 04 74 20 20 20 20 4d |,Enabled..t M|
00000b30 4f 56 20 52 30 2c 23 31 34 20 5c 20 45 6e 61 62 |OV R0,#14 \ Enab|
00000b40 6c 65 20 65 76 65 6e 74 0d 04 7e 28 20 20 20 4d |le event..~( M|
00000b50 4f 56 20 52 31 2c 23 32 20 20 5c 20 4b 65 79 62 |OV R1,#2 \ Keyb|
00000b60 6f 61 72 64 20 69 6e 70 75 74 20 65 76 65 6e 74 |oard input event|
00000b70 0d 04 88 14 20 20 20 53 57 49 20 22 4f 53 5f 42 |.... SWI "OS_B|
00000b80 79 74 65 22 0d 04 92 1c 20 20 20 4c 44 4d 46 44 |yte".... LDMFD|
00000b90 20 52 31 33 21 2c 7b 52 30 2d 52 32 2c 50 43 7d | R13!,{R0-R2,PC}|
00000ba0 0d 04 9c 04 0d 04 a6 0a 2e 46 69 6e 61 6c 0d 04 |.........Final..|
00000bb0 b0 17 20 20 20 53 54 4d 46 44 20 52 31 33 21 2c |.. STMFD R13!,|
00000bc0 7b 52 31 34 7d 0d 04 ba 16 20 20 20 4c 44 52 42 |{R14}.... LDRB|
00000bd0 20 52 30 2c 45 6e 61 62 6c 65 64 0d 04 c4 12 20 | R0,Enabled.... |
00000be0 20 20 43 4d 50 20 52 30 2c 23 32 35 35 0d 04 ce | CMP R0,#255...|
00000bf0 26 20 20 20 42 4e 45 20 46 69 6e 61 6c 31 20 20 |& BNE Final1 |
00000c00 20 5c 20 41 6c 72 65 61 64 79 20 64 69 73 61 62 | \ Already disab|
00000c10 6c 65 64 0d 04 d8 10 20 20 20 4d 4f 56 20 52 30 |led.... MOV R0|
00000c20 2c 23 30 0d 04 e2 16 20 20 20 53 54 52 42 20 52 |,#0.... STRB R|
00000c30 30 2c 45 6e 61 62 6c 65 64 0d 04 ec 21 20 20 20 |0,Enabled...! |
00000c40 4d 4f 56 20 52 30 2c 23 31 33 20 5c 20 44 69 73 |MOV R0,#13 \ Dis|
00000c50 61 62 6c 65 20 65 76 65 6e 74 0d 04 f6 28 20 20 |able event...( |
00000c60 20 4d 4f 56 20 52 31 2c 23 32 20 20 5c 20 4b 65 | MOV R1,#2 \ Ke|
00000c70 79 62 6f 61 72 64 20 69 6e 70 75 74 20 65 76 65 |yboard input eve|
00000c80 6e 74 0d 05 00 14 20 20 20 53 57 49 20 22 4f 53 |nt.... SWI "OS|
00000c90 5f 42 79 74 65 22 0d 05 0a 0b 2e 46 69 6e 61 6c |_Byte".....Final|
00000ca0 31 0d 05 14 16 20 20 20 4c 44 52 42 20 52 30 2c |1.... LDRB R0,|
00000cb0 43 6c 61 69 6d 65 64 0d 05 1e 12 20 20 20 43 4d |Claimed.... CM|
00000cc0 50 20 52 30 2c 23 32 35 35 0d 05 28 32 20 20 20 |P R0,#255..(2 |
00000cd0 4c 44 4d 4e 45 46 44 20 52 31 33 21 2c 7b 50 43 |LDMNEFD R13!,{PC|
00000ce0 7d 20 5c 20 56 65 63 74 6f 72 20 61 6c 72 65 61 |} \ Vector alrea|
00000cf0 64 79 20 72 65 6c 65 61 73 65 64 0d 05 32 10 20 |dy released..2. |
00000d00 20 20 4d 4f 56 20 52 30 2c 23 30 0d 05 3c 16 20 | MOV R0,#0..<. |
00000d10 20 20 53 54 52 42 20 52 30 2c 43 6c 61 69 6d 65 | STRB R0,Claime|
00000d20 64 0d 05 46 20 20 20 20 4d 4f 56 20 52 30 2c 23 |d..F MOV R0,#|
00000d30 31 36 20 5c 20 45 76 65 6e 74 20 76 65 63 74 6f |16 \ Event vecto|
00000d40 72 0d 05 50 18 20 20 20 41 44 52 20 52 31 2c 45 |r..P. ADR R1,E|
00000d50 76 65 6e 74 45 6e 74 72 79 0d 05 5a 10 20 20 20 |ventEntry..Z. |
00000d60 4d 4f 56 20 52 32 2c 23 30 0d 05 64 17 20 20 20 |MOV R2,#0..d. |
00000d70 53 57 49 20 22 4f 53 5f 52 65 6c 65 61 73 65 22 |SWI "OS_Release"|
00000d80 0d 05 6e 16 20 20 20 4c 44 4d 46 44 20 52 31 33 |..n. LDMFD R13|
00000d90 21 2c 7b 50 43 7d 0d 05 78 04 0d 05 82 0e 2e 49 |!,{PC}..x......I|
00000da0 6e 74 65 72 72 75 70 74 0d 05 8c 1d 20 20 20 53 |nterrupt.... S|
00000db0 54 4d 46 44 20 52 31 33 21 2c 7b 52 30 2d 52 34 |TMFD R13!,{R0-R4|
00000dc0 2c 52 31 34 7d 0d 05 96 10 20 20 20 4d 4f 56 20 |,R14}.... MOV |
00000dd0 52 33 2c 52 30 0d 05 a0 10 20 20 20 4d 4f 56 20 |R3,R0.... MOV |
00000de0 52 34 2c 52 31 0d 05 aa 14 20 20 20 41 44 52 20 |R4,R1.... ADR |
00000df0 52 30 2c 42 75 66 66 65 72 0d 05 b4 09 2e 49 6e |R0,Buffer.....In|
00000e00 74 31 0d 05 be 31 20 20 20 4c 44 52 42 20 52 31 |t1...1 LDRB R1|
00000e10 2c 5b 52 33 5d 2c 23 31 20 5c 20 47 65 74 20 6e |,[R3],#1 \ Get n|
00000e20 65 78 74 20 62 79 74 65 20 6f 66 20 63 6f 6d 6d |ext byte of comm|
00000e30 61 6e 64 0d 05 c8 27 20 20 20 43 4d 50 20 52 31 |and...' CMP R1|
00000e40 2c 23 33 32 20 20 20 20 20 20 5c 20 49 73 20 69 |,#32 \ Is i|
00000e50 74 20 61 20 73 70 61 63 65 3f 0d 05 d2 29 20 20 |t a space?...) |
00000e60 20 ec 51 20 52 31 2c 23 31 33 20 20 20 20 5c 20 | .Q R1,#13 \ |
00000e70 49 66 20 73 6f 20 63 6f 6e 76 65 72 74 20 74 6f |If so convert to|
00000e80 20 43 52 0d 05 dc 28 20 20 20 53 54 52 42 20 52 | CR...( STRB R|
00000e90 31 2c 5b 52 30 5d 2c 23 31 20 5c 20 53 74 6f 72 |1,[R0],#1 \ Stor|
00000ea0 65 20 69 6e 20 62 75 66 66 65 72 0d 05 e6 11 20 |e in buffer.... |
00000eb0 20 20 43 4d 50 20 52 31 2c 23 31 33 0d 05 f0 34 | CMP R1,#13...4|
00000ec0 20 20 20 42 4e 45 20 49 6e 74 31 20 20 20 20 20 | BNE Int1 |
00000ed0 20 20 20 5c 20 4e 6f 74 20 61 74 20 65 6e 64 20 | \ Not at end |
00000ee0 73 6f 20 67 65 74 20 6e 65 78 74 20 62 79 74 65 |so get next byte|
00000ef0 0d 05 fa 14 20 20 20 41 44 52 20 52 30 2c 42 75 |.... ADR R0,Bu|
00000f00 66 66 65 72 0d 06 04 16 20 20 20 41 44 52 20 52 |ffer.... ADR R|
00000f10 31 2c 52 65 67 53 74 6f 72 65 0d 06 0e 11 20 20 |1,RegStore.... |
00000f20 20 4d 4f 56 20 52 32 2c 23 36 33 0d 06 18 23 20 | MOV R2,#63...# |
00000f30 20 20 53 57 49 20 22 58 4f 53 5f 45 76 61 6c 75 | SWI "XOS_Evalu|
00000f40 61 74 65 45 78 70 72 65 73 73 69 6f 6e 22 0d 06 |ateExpression"..|
00000f50 22 0f 20 20 20 42 56 53 20 49 6e 74 35 0d 06 2c |". BVS Int5..,|
00000f60 29 20 20 20 43 4d 50 20 52 31 2c 23 30 20 20 20 |) CMP R1,#0 |
00000f70 20 20 20 5c 20 49 73 20 69 74 20 61 6e 20 69 6e | \ Is it an in|
00000f80 74 65 67 65 72 3f 0d 06 36 27 20 20 20 42 45 51 |teger?..6' BEQ|
00000f90 20 49 6e 74 32 20 20 20 20 20 20 20 5c 20 59 65 | Int2 \ Ye|
00000fa0 73 20 73 6f 20 63 6f 6e 74 69 6e 75 65 0d 06 40 |s so continue..@|
00000fb0 09 2e 49 6e 74 33 0d 06 4a 15 20 20 20 41 44 52 |..Int3..J. ADR|
00000fc0 20 52 30 2c 43 6f 64 65 45 72 72 0d 06 54 09 2e | R0,CodeErr..T..|
00000fd0 49 6e 74 35 0d 06 5e 19 20 20 20 4c 44 4d 46 44 |Int5..^. LDMFD|
00000fe0 20 52 31 33 21 2c 7b 52 31 2d 52 35 7d 0d 06 68 | R13!,{R1-R5}..h|
00000ff0 0e 20 20 20 42 20 45 72 72 6f 72 0d 06 72 09 2e |. B Error..r..|
00001000 49 6e 74 32 0d 06 7c 12 20 20 20 43 4d 50 20 52 |Int2..|. CMP R|
00001010 32 2c 23 32 35 36 0d 06 86 28 20 20 20 42 43 43 |2,#256...( BCC|
00001020 20 49 6e 74 34 20 20 20 20 20 20 5c 20 56 61 6c | Int4 \ Val|
00001030 69 64 20 63 6f 64 65 20 6e 75 6d 62 65 72 0d 06 |id code number..|
00001040 90 20 20 20 20 43 4d 4e 20 52 32 2c 23 31 20 20 |. CMN R2,#1 |
00001050 20 20 20 5c 20 49 73 20 69 74 20 2d 31 3f 0d 06 | \ Is it -1?..|
00001060 9a 30 20 20 20 42 4e 45 20 49 6e 74 33 20 20 20 |.0 BNE Int3 |
00001070 20 20 20 5c 20 4e 6f 20 73 6f 20 6e 6f 74 20 76 | \ No so not v|
00001080 61 6c 69 64 20 70 61 72 61 6d 65 74 65 72 0d 06 |alid parameter..|
00001090 a4 15 20 20 20 4c 44 52 42 20 52 31 2c 41 63 74 |.. LDRB R1,Act|
000010a0 69 76 65 0d 06 ae 10 20 20 20 4d 4f 56 20 52 30 |ive.... MOV R0|
000010b0 2c 23 30 0d 06 b8 12 20 20 20 43 4d 50 20 52 31 |,#0.... CMP R1|
000010c0 2c 23 31 32 38 0d 06 c2 14 20 20 20 4d 4f 56 43 |,#128.... MOVC|
000010d0 53 20 52 30 2c 23 31 32 38 0d 06 cc 2e 20 20 20 |S R0,#128.... |
000010e0 53 54 52 42 20 52 30 2c 41 63 74 69 76 65 20 20 |STRB R0,Active |
000010f0 5c 20 43 6c 65 61 72 20 74 68 65 20 61 63 74 69 |\ Clear the acti|
00001100 76 65 20 66 6c 61 67 0d 06 d6 1c 20 20 20 4c 44 |ve flag.... LD|
00001110 4d 46 44 20 52 31 33 21 2c 7b 52 30 2d 52 34 2c |MFD R13!,{R0-R4,|
00001120 50 43 7d 0d 06 e0 09 2e 49 6e 74 34 0d 06 ea 12 |PC}.....Int4....|
00001130 20 20 20 41 44 52 20 52 31 2c 43 6f 64 65 0d 06 | ADR R1,Code..|
00001140 f4 32 20 20 20 53 54 52 42 20 52 32 2c 5b 52 31 |.2 STRB R2,[R1|
00001150 5d 20 20 20 5c 20 53 74 6f 72 65 20 74 68 65 20 |] \ Store the |
00001160 6b 65 79 63 6f 64 65 20 72 65 71 75 69 72 65 64 |keycode required|
00001170 0d 06 fe 15 20 20 20 4c 44 52 42 20 52 31 2c 41 |.... LDRB R1,A|
00001180 63 74 69 76 65 0d 07 08 13 20 20 20 80 20 52 31 |ctive.... . R1|
00001190 2c 52 31 2c 23 31 32 38 0d 07 12 13 20 20 20 41 |,R1,#128.... A|
000011a0 44 44 20 52 31 2c 52 31 2c 23 31 0d 07 1c 2b 20 |DD R1,R1,#1...+ |
000011b0 20 20 43 4d 50 20 52 34 2c 23 31 20 20 20 20 20 | CMP R4,#1 |
000011c0 20 5c 20 4f 6e 6c 79 20 6f 6e 65 20 70 61 72 61 | \ Only one para|
000011d0 6d 65 74 65 72 3f 0d 07 26 15 20 20 20 41 44 44 |meter?..&. ADD|
000011e0 4e 45 20 52 31 2c 52 31 2c 23 31 0d 07 30 15 20 |NE R1,R1,#1..0. |
000011f0 20 20 53 54 52 42 20 52 31 2c 41 63 74 69 76 65 | STRB R1,Active|
00001200 0d 07 3a 3b 20 20 20 4c 44 4d 45 51 46 44 20 52 |..:; LDMEQFD R|
00001210 31 33 21 2c 7b 52 30 2d 52 34 2c 50 43 7d 20 5c |13!,{R0-R4,PC} \|
00001220 20 49 66 20 6e 6f 20 6f 74 68 65 72 20 70 61 72 | If no other par|
00001230 61 6d 20 74 68 65 6e 20 65 6e 64 0d 07 44 10 20 |am then end..D. |
00001240 20 20 4d 4f 56 20 52 30 2c 52 33 0d 07 4e 15 20 | MOV R0,R3..N. |
00001250 20 20 41 44 52 20 52 31 2c 43 6f 6d 6d 61 6e 64 | ADR R1,Command|
00001260 0d 07 58 0d 2e 43 6f 6d 4d 6f 76 65 31 0d 07 62 |..X..ComMove1..b|
00001270 16 20 20 20 4c 44 52 42 20 52 32 2c 5b 52 30 5d |. LDRB R2,[R0]|
00001280 2c 23 31 0d 07 6c 16 20 20 20 53 54 52 42 20 52 |,#1..l. STRB R|
00001290 32 2c 5b 52 31 5d 2c 23 31 0d 07 76 11 20 20 20 |2,[R1],#1..v. |
000012a0 43 4d 50 20 52 32 2c 23 31 33 0d 07 80 13 20 20 |CMP R2,#13.... |
000012b0 20 42 4e 45 20 43 6f 6d 4d 6f 76 65 31 0d 07 8a | BNE ComMove1...|
000012c0 1c 20 20 20 4c 44 4d 46 44 20 52 31 33 21 2c 7b |. LDMFD R13!,{|
000012d0 52 30 2d 52 34 2c 50 43 7d 0d 07 94 04 0d 07 9e |R0-R4,PC}.......|
000012e0 0c 2e 43 6f 64 65 45 72 72 0d 07 a8 11 20 20 20 |..CodeErr.... |
000012f0 45 51 55 44 20 36 37 37 34 35 0d 07 b2 23 20 20 |EQUD 67745...# |
00001300 20 45 51 55 53 20 22 42 61 64 20 6b 65 79 63 6f | EQUS "Bad keyco|
00001310 64 65 20 70 61 72 61 6d 65 74 65 72 22 0d 07 bc |de parameter"...|
00001320 0d 20 20 20 45 51 55 42 20 30 0d 07 c6 0c 20 20 |. EQUB 0.... |
00001330 20 41 4c 49 47 4e 0d 07 d0 04 0d 07 da 0a 2e 45 | ALIGN.........E|
00001340 72 72 6f 72 0d 07 e4 10 20 20 20 4d 4f 56 20 52 |rror.... MOV R|
00001350 31 2c 50 43 0d 07 ee 29 20 20 20 84 52 20 52 31 |1,PC...) .R R1|
00001360 2c 52 31 2c 23 31 3c 3c 32 38 20 5c 20 53 65 74 |,R1,#1<<28 \ Set|
00001370 20 22 56 22 20 66 6c 61 67 20 62 69 74 0d 07 f8 | "V" flag bit...|
00001380 11 20 20 20 54 45 51 50 20 52 31 2c 23 30 0d 08 |. TEQP R1,#0..|
00001390 02 16 20 20 20 4c 44 4d 46 44 20 52 31 33 21 2c |.. LDMFD R13!,|
000013a0 7b 50 43 7d 0d 08 0c 04 0d 08 16 0c 2e 43 6c 61 |{PC}.........Cla|
000013b0 69 6d 65 64 0d 08 20 3f 20 20 20 45 51 55 42 20 |imed.. ? EQUB |
000013c0 30 20 5c 20 73 65 74 20 74 6f 20 32 35 35 20 77 |0 \ set to 255 w|
000013d0 68 65 6e 20 6d 6f 64 75 6c 65 20 68 61 73 20 63 |hen module has c|
000013e0 6c 61 69 6d 65 64 20 65 76 65 6e 74 20 76 65 63 |laimed event vec|
000013f0 74 6f 72 0d 08 2a 0c 2e 45 6e 61 62 6c 65 64 0d |tor..*..Enabled.|
00001400 08 34 38 20 20 20 45 51 55 42 20 30 20 5c 20 73 |.48 EQUB 0 \ s|
00001410 65 74 20 74 6f 20 32 35 35 20 77 68 65 6e 20 6d |et to 255 when m|
00001420 6f 64 75 6c 65 20 68 61 73 20 65 6e 61 62 6c 65 |odule has enable|
00001430 64 20 65 76 65 6e 74 0d 08 3e 0c 20 20 20 41 4c |d event..>. AL|
00001440 49 47 4e 0d 08 48 04 0d 08 52 0f 2e 45 76 65 6e |IGN..H...R..Even|
00001450 74 45 6e 74 72 79 0d 08 5c 1a 20 20 20 53 54 4d |tEntry..\. STM|
00001460 46 44 20 52 31 33 21 2c 7b 52 37 2c 52 31 34 7d |FD R13!,{R7,R14}|
00001470 0d 08 66 13 20 20 20 4c 44 52 42 20 52 37 2c 43 |..f. LDRB R7,C|
00001480 6f 64 65 0d 08 70 10 20 20 20 43 4d 50 20 52 37 |ode..p. CMP R7|
00001490 2c 52 32 0d 08 7a 34 20 20 20 4c 44 4d 4e 45 46 |,R2..z4 LDMNEF|
000014a0 44 20 52 31 33 21 2c 7b 52 37 2c 50 43 7d 20 5c |D R13!,{R7,PC} \|
000014b0 20 4e 6f 74 20 6f 75 72 20 6b 65 79 20 73 6f 20 | Not our key so |
000014c0 70 61 73 73 20 6f 6e 0d 08 84 15 20 20 20 4c 44 |pass on.... LD|
000014d0 52 42 20 52 37 2c 41 63 74 69 76 65 0d 08 8e 2e |RB R7,Active....|
000014e0 20 20 20 43 4d 50 20 52 37 2c 23 31 20 20 20 20 | CMP R7,#1 |
000014f0 20 20 20 20 20 20 20 5c 20 41 72 65 20 77 65 20 | \ Are we |
00001500 61 63 74 69 76 65 20 61 6e 64 0d 08 98 2e 20 20 |active and.... |
00001510 20 43 4d 50 4e 45 20 52 37 2c 23 32 20 20 20 20 | CMPNE R7,#2 |
00001520 20 20 20 20 20 5c 20 6e 6f 74 20 62 75 73 79 20 | \ not busy |
00001530 61 6c 72 65 61 64 79 3f 0d 08 a2 2c 20 20 20 4c |already?..., L|
00001540 44 4d 4e 45 46 44 20 52 31 33 21 2c 7b 52 37 2c |DMNEFD R13!,{R7,|
00001550 50 43 7d 20 5c 20 4e 6f 2c 20 73 6f 20 70 61 73 |PC} \ No, so pas|
00001560 73 20 6f 6e 0d 08 ac 1c 20 20 20 53 54 4d 46 44 |s on.... STMFD|
00001570 20 52 31 33 21 2c 7b 52 30 2c 52 31 2c 52 36 7d | R13!,{R0,R1,R6}|
00001580 0d 08 b6 10 20 20 20 4d 4f 56 20 52 36 2c 50 43 |.... MOV R6,PC|
00001590 0d 08 c0 12 20 20 20 84 52 20 52 37 2c 52 36 2c |.... .R R7,R6,|
000015a0 23 33 0d 08 ca 23 20 20 20 54 45 51 50 20 52 37 |#3...# TEQP R7|
000015b0 2c 23 30 20 20 5c 20 45 6e 74 65 72 20 53 56 43 |,#0 \ Enter SVC|
000015c0 20 6d 6f 64 65 0d 08 d4 12 20 20 20 4d 4f 56 4e | mode.... MOVN|
000015d0 56 20 52 30 2c 52 30 0d 08 de 2d 20 20 20 53 54 |V R0,R0...- ST|
000015e0 4d 46 44 20 52 31 33 21 2c 7b 52 31 34 7d 20 5c |MFD R13!,{R14} \|
000015f0 20 53 74 6f 72 65 20 53 56 43 20 6d 6f 64 65 20 | Store SVC mode |
00001600 6c 69 6e 6b 0d 08 e8 16 20 20 20 41 44 52 20 52 |link.... ADR R|
00001610 30 2c 52 65 67 53 74 6f 72 65 0d 08 f2 14 20 20 |0,RegStore.... |
00001620 20 41 44 52 20 52 31 2c 52 65 74 75 72 6e 0d 08 | ADR R1,Return..|
00001630 fc 18 20 20 20 53 57 49 20 22 4f 53 5f 43 61 6c |.. SWI "OS_Cal|
00001640 6c 42 61 63 6b 22 0d 09 06 1b 20 20 20 53 57 49 |lBack".... SWI|
00001650 20 22 4f 53 5f 53 65 74 43 61 6c 6c 42 61 63 6b | "OS_SetCallBack|
00001660 22 0d 09 10 2f 20 20 20 4c 44 4d 46 44 20 52 31 |".../ LDMFD R1|
00001670 33 21 2c 7b 52 31 34 7d 20 5c 20 52 65 73 74 6f |3!,{R14} \ Resto|
00001680 72 65 20 53 56 43 20 6d 6f 64 65 20 6c 69 6e 6b |re SVC mode link|
00001690 0d 09 1a 2f 20 20 20 54 45 51 50 20 52 36 2c 23 |.../ TEQP R6,#|
000016a0 30 20 20 20 20 20 20 20 5c 20 52 65 73 74 6f 72 |0 \ Restor|
000016b0 65 20 6f 72 69 67 69 6e 61 6c 20 6d 6f 64 65 0d |e original mode.|
000016c0 09 24 12 20 20 20 4d 4f 56 4e 56 20 52 30 2c 52 |.$. MOVNV R0,R|
000016d0 30 0d 09 2e 22 20 20 20 4c 44 4d 46 44 20 52 31 |0..." LDMFD R1|
000016e0 33 21 2c 7b 52 30 2c 52 31 2c 52 36 2c 52 37 2c |3!,{R0,R1,R6,R7,|
000016f0 50 43 7d 0d 09 38 04 0d 09 42 0b 2e 41 63 74 69 |PC}..8...B..Acti|
00001700 76 65 0d 09 4c 82 20 20 20 45 51 55 44 20 30 20 |ve..L. EQUD 0 |
00001710 20 20 5c 20 30 3d 4e 6f 74 20 61 63 74 69 76 65 | \ 0=Not active|
00001720 2c 31 3d 65 6e 74 65 72 20 63 6f 6d 6d 61 6e 64 |,1=enter command|
00001730 73 2c 32 3d 65 78 65 63 75 74 65 20 73 70 65 63 |s,2=execute spec|
00001740 69 66 69 65 64 20 63 6f 6d 6d 61 6e 64 20 2d 20 |ified command - |
00001750 31 32 38 20 61 64 64 65 64 20 74 6f 20 63 75 72 |128 added to cur|
00001760 72 65 6e 74 20 76 61 6c 75 65 20 77 68 69 6c 65 |rent value while|
00001770 20 61 63 74 75 61 6c 6c 79 20 70 72 6f 63 65 73 | actually proces|
00001780 73 69 6e 67 0d 09 56 09 2e 43 6f 64 65 0d 09 60 |sing..V..Code..`|
00001790 2e 20 20 20 45 51 55 44 20 30 20 20 20 5c 20 53 |. EQUD 0 \ S|
000017a0 74 6f 72 61 67 65 20 66 6f 72 20 6b 65 79 63 6f |torage for keyco|
000017b0 64 65 20 72 65 71 75 69 72 65 64 0d 09 6a 04 0d |de required..j..|
000017c0 09 74 0b 2e 42 75 66 66 65 72 0d 09 7e 08 20 20 |.t..Buffer..~. |
000017d0 20 5d 0d 09 88 04 0d 09 92 13 50 25 2b 3d 32 35 | ]........P%+=25|
000017e0 36 3a 4f 25 2b 3d 32 35 36 0d 09 9c 0e 43 6f 6d |6:O%+=256....Com|
000017f0 6d 61 6e 64 3d 50 25 0d 09 a6 13 50 25 2b 3d 32 |mand=P%....P%+=2|
00001800 35 36 3a 4f 25 2b 3d 32 35 36 0d 09 b0 0f 52 65 |56:O%+=256....Re|
00001810 67 53 74 6f 72 65 3d 50 25 0d 09 ba 11 50 25 2b |gStore=P%....P%+|
00001820 3d 36 34 3a 4f 25 2b 3d 36 34 0d 09 c4 0b 5b 4f |=64:O%+=64....[O|
00001830 50 54 20 49 25 0d 09 ce 0b 2e 52 65 74 75 72 6e |PT I%.....Return|
00001840 0d 09 d8 15 20 20 20 4c 44 52 42 20 52 30 2c 41 |.... LDRB R0,A|
00001850 63 74 69 76 65 0d 09 e2 15 20 20 20 41 44 44 20 |ctive.... ADD |
00001860 52 30 2c 52 30 2c 23 31 32 38 0d 09 ec 3d 20 20 |R0,R0,#128...= |
00001870 20 53 54 52 42 20 52 30 2c 41 63 74 69 76 65 20 | STRB R0,Active |
00001880 20 20 5c 20 43 68 61 6e 67 65 20 61 63 74 69 76 | \ Change activ|
00001890 65 20 66 6c 61 67 20 74 6f 20 69 6e 64 69 63 61 |e flag to indica|
000018a0 74 65 20 62 75 73 79 0d 09 f6 10 20 20 20 4d 4f |te busy.... MO|
000018b0 56 20 52 31 2c 50 43 0d 0a 00 2e 20 20 20 42 49 |V R1,PC.... BI|
000018c0 43 20 52 31 2c 52 31 2c 23 31 3c 3c 32 37 20 5c |C R1,R1,#1<<27 \|
000018d0 20 43 6c 65 61 72 20 69 6e 74 65 72 72 75 70 74 | Clear interrupt|
000018e0 20 66 6c 61 67 0d 0a 0a 25 20 20 20 84 52 20 52 | flag...% .R R|
000018f0 31 2c 52 31 2c 23 33 20 20 20 20 20 5c 20 53 65 |1,R1,#3 \ Se|
00001900 74 20 53 56 43 20 6d 6f 64 65 0d 0a 14 28 20 20 |t SVC mode...( |
00001910 20 54 45 51 50 20 52 31 2c 23 30 20 20 20 20 20 | TEQP R1,#0 |
00001920 20 20 5c 20 45 6e 74 65 72 20 53 56 43 20 6d 6f | \ Enter SVC mo|
00001930 64 65 0d 0a 1e 12 20 20 20 4d 4f 56 4e 56 20 52 |de.... MOVNV R|
00001940 31 2c 52 31 0d 0a 28 12 20 20 20 43 4d 50 20 52 |1,R1..(. CMP R|
00001950 30 2c 23 31 32 39 0d 0a 32 31 20 20 20 42 45 51 |0,#129..21 BEQ|
00001960 20 45 6e 74 65 72 43 6f 6d 6d 61 6e 64 20 5c 20 | EnterCommand \ |
00001970 43 6f 6d 6d 61 6e 64 73 20 74 6f 20 62 65 20 74 |Commands to be t|
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00002880 72 50 6f 73 0d 11 58 16 20 20 20 53 57 49 20 22 |rPos..X. SWI "|
00002890 4f 53 5f 57 72 69 74 65 43 22 0d 11 62 1a 20 20 |OS_WriteC"..b. |
000028a0 20 4c 44 52 42 20 52 30 2c 43 75 72 73 6f 72 50 | LDRB R0,CursorP|
000028b0 6f 73 2b 31 0d 11 6c 16 20 20 20 53 57 49 20 22 |os+1..l. SWI "|
000028c0 4f 53 5f 57 72 69 74 65 43 22 0d 11 76 18 20 20 |OS_WriteC"..v. |
000028d0 20 4c 44 52 42 20 52 33 2c 56 64 75 53 74 61 74 | LDRB R3,VduStat|
000028e0 75 73 0d 11 80 27 20 20 20 54 53 54 20 52 33 2c |us...' TST R3,|
000028f0 23 31 20 20 5c 20 50 72 69 6e 74 65 72 20 65 6e |#1 \ Printer en|
00002900 61 62 6c 65 64 20 62 69 74 0d 11 8a 12 20 20 20 |abled bit.... |
00002910 53 57 49 4e 45 20 32 35 36 2b 32 0d 11 94 21 20 |SWINE 256+2...! |
00002920 20 20 54 53 54 20 52 33 2c 23 34 20 5c 20 50 61 | TST R3,#4 \ Pa|
00002930 67 65 64 20 6d 6f 64 65 20 62 69 74 0d 11 9e 31 |ged mode bit...1|
00002940 20 20 20 53 57 49 45 51 20 32 35 36 2b 31 35 20 | SWIEQ 256+15 |
00002950 5c 20 4e 6f 74 20 73 65 74 20 73 6f 20 63 6c 65 |\ Not set so cle|
00002960 61 72 20 70 61 67 65 64 20 6d 6f 64 65 0d 11 a8 |ar paged mode...|
00002970 1b 20 20 20 54 53 54 20 52 33 2c 23 33 32 20 20 |. TST R3,#32 |
00002980 5c 20 ef 35 20 62 69 74 0d 11 b2 12 20 20 20 53 |\ .5 bit.... S|
00002990 57 49 4e 45 20 32 35 36 2b 35 0d 11 bc 29 20 20 |WINE 256+5...) |
000029a0 20 54 53 54 20 52 33 2c 23 31 32 38 20 5c 20 44 | TST R3,#128 \ D|
000029b0 69 73 61 62 6c 65 64 20 62 79 20 ef 20 32 31 20 |isabled by . 21 |
000029c0 62 69 74 0d 11 c6 13 20 20 20 53 57 49 4e 45 20 |bit.... SWINE |
000029d0 32 35 36 2b 32 31 0d 11 d0 16 20 20 20 4c 44 52 |256+21.... LDR|
000029e0 42 20 52 31 2c 53 74 72 65 61 6d 73 0d 11 da 10 |B R1,Streams....|
000029f0 20 20 20 4d 4f 56 20 52 30 2c 23 33 0d 11 e4 14 | MOV R0,#3....|
00002a00 20 20 20 53 57 49 20 22 4f 53 5f 42 79 74 65 22 | SWI "OS_Byte"|
00002a10 0d 11 ee 1b 20 20 20 4c 44 52 20 52 31 2c 53 63 |.... LDR R1,Sc|
00002a20 72 65 65 6e 43 6c 61 69 6d 65 64 0d 11 f8 10 20 |reenClaimed.... |
00002a30 20 20 43 4d 50 20 52 31 2c 23 30 0d 12 02 0f 20 | CMP R1,#0.... |
00002a40 20 20 42 45 51 20 57 69 6d 70 0d 12 0c 19 20 20 | BEQ Wimp.... |
00002a50 20 4c 44 52 20 52 32 2c 53 63 72 65 65 6e 53 74 | LDR R2,ScreenSt|
00002a60 61 72 74 0d 12 16 18 20 20 20 4c 44 52 20 52 33 |art.... LDR R3|
00002a70 2c 53 63 72 65 65 6e 53 69 7a 65 0d 12 20 17 20 |,ScreenSize.. . |
00002a80 20 20 4d 4f 56 20 52 33 2c 52 33 2c 4c 53 52 20 | MOV R3,R3,LSR |
00002a90 23 31 0d 12 2a 0b 2e 54 4c 6f 6f 70 34 0d 12 34 |#1..*..TLoop4..4|
00002aa0 19 20 20 20 4c 44 4d 49 41 20 52 31 21 2c 7b 52 |. LDMIA R1!,{R|
00002ab0 34 2d 52 31 31 7d 0d 12 3e 19 20 20 20 53 54 4d |4-R11}..>. STM|
00002ac0 49 41 20 52 32 21 2c 7b 52 34 2d 52 31 31 7d 0d |IA R2!,{R4-R11}.|
00002ad0 12 48 15 20 20 20 53 55 42 53 20 52 33 2c 52 33 |.H. SUBS R3,R3|
00002ae0 2c 23 33 32 0d 12 52 11 20 20 20 42 48 49 20 54 |,#32..R. BHI T|
00002af0 4c 6f 6f 70 34 0d 12 5c 10 20 20 20 4d 4f 56 20 |Loop4..\. MOV |
00002b00 52 30 2c 23 30 0d 12 66 21 20 20 20 53 57 49 20 |R0,#0..f! SWI |
00002b10 22 4f 53 5f 43 6c 61 69 6d 53 63 72 65 65 6e 4d |"OS_ClaimScreenM|
00002b20 65 6d 6f 72 79 22 0d 12 70 0f 20 20 20 42 20 46 |emory"..p. B F|
00002b30 69 6e 69 73 68 0d 12 7a 09 2e 57 69 6d 70 0d 12 |inish..z..Wimp..|
00002b40 84 10 20 20 20 4d 56 4e 20 52 30 2c 23 30 0d 12 |.. MVN R0,#0..|
00002b50 8e 10 20 20 20 4d 4f 56 20 52 31 2c 23 30 0d 12 |.. MOV R1,#0..|
00002b60 98 10 20 20 20 4d 4f 56 20 52 32 2c 23 30 0d 12 |.. MOV R2,#0..|
00002b70 a2 13 20 20 20 4d 4f 56 20 52 33 2c 23 31 32 38 |.. MOV R3,#128|
00002b80 30 0d 12 ac 13 20 20 20 53 55 42 20 52 33 2c 52 |0.... SUB R3,R|
00002b90 33 2c 23 31 0d 12 b6 13 20 20 20 4d 4f 56 20 52 |3,#1.... MOV R|
00002ba0 34 2c 23 31 30 32 34 0d 12 c0 13 20 20 20 53 55 |4,#1024.... SU|
00002bb0 42 20 52 34 2c 52 34 2c 23 31 0d 12 ca 1e 20 20 |B R4,R4,#1.... |
00002bc0 20 53 57 49 20 22 58 57 69 6d 70 5f 46 6f 72 63 | SWI "XWimp_Forc|
00002bd0 65 52 65 64 72 61 77 22 0d 12 d4 04 0d 12 de 0b |eRedraw"........|
00002be0 2e 46 69 6e 69 73 68 0d 12 e8 10 20 20 20 4d 4f |.Finish.... MO|
00002bf0 56 20 52 30 2c 50 43 0d 12 f2 2b 20 20 20 84 52 |V R0,PC...+ .R|
00002c00 20 52 30 2c 52 30 2c 23 31 3c 3c 32 37 20 5c 20 | R0,R0,#1<<27 \ |
00002c10 53 65 74 20 69 6e 74 65 72 72 75 70 74 20 66 6c |Set interrupt fl|
00002c20 61 67 0d 12 fc 27 20 20 20 54 45 51 50 20 52 30 |ag...' TEQP R0|
00002c30 2c 23 30 20 20 20 20 20 20 20 5c 20 57 72 69 74 |,#0 \ Writ|
00002c40 65 20 74 6f 20 66 6c 61 67 0d 13 06 15 20 20 20 |e to flag.... |
00002c50 4c 44 52 42 20 52 30 2c 41 63 74 69 76 65 0d 13 |LDRB R0,Active..|
00002c60 10 2c 20 20 20 53 55 42 20 52 30 2c 52 30 2c 23 |., SUB R0,R0,#|
00002c70 31 32 38 20 20 5c 20 52 65 73 74 6f 72 65 20 61 |128 \ Restore a|
00002c80 63 74 69 76 65 20 66 6c 61 67 0d 13 1a 15 20 20 |ctive flag.... |
00002c90 20 53 54 52 42 20 52 30 2c 41 63 74 69 76 65 0d | STRB R0,Active.|
00002ca0 13 24 17 20 20 20 41 44 52 20 52 31 34 2c 52 65 |.$. ADR R14,Re|
00002cb0 67 53 74 6f 72 65 0d 13 2e 1a 20 20 20 4c 44 4d |gStore.... LDM|
00002cc0 49 41 20 52 31 34 2c 7b 52 30 2d 52 31 34 7d 5e |IA R14,{R0-R14}^|
00002cd0 0d 13 38 1a 20 20 20 4c 44 52 20 52 31 34 2c 5b |..8. LDR R14,[|
00002ce0 52 31 34 2c 23 31 35 2a 34 5d 0d 13 42 12 20 20 |R14,#15*4]..B. |
00002cf0 20 4d 4f 56 53 20 50 43 2c 52 31 34 0d 13 4c 04 | MOVS PC,R14..L.|
00002d00 0d 13 56 0c 2e 45 73 63 61 70 65 53 0d 13 60 0e |..V..EscapeS..`.|
00002d10 20 20 20 45 51 55 44 20 31 37 0d 13 6a 14 20 20 | EQUD 17..j. |
00002d20 20 45 51 55 53 20 22 45 73 63 61 70 65 22 0d 13 | EQUS "Escape"..|
00002d30 74 0d 20 20 20 45 51 55 42 20 30 0d 13 7e 0c 20 |t. EQUB 0..~. |
00002d40 20 20 41 4c 49 47 4e 0d 13 88 0d 2e 45 73 63 45 | ALIGN.....EscE|
00002d50 72 72 6f 72 0d 13 92 12 20 20 20 4d 4f 56 20 52 |rror.... MOV R|
00002d60 30 2c 23 31 32 34 0d 13 9c 2e 20 20 20 53 57 49 |0,#124.... SWI|
00002d70 20 22 58 4f 53 5f 42 79 74 65 22 20 5c 20 43 6c | "XOS_Byte" \ Cl|
00002d80 65 61 72 20 45 73 63 61 70 65 20 63 6f 6e 64 69 |ear Escape condi|
00002d90 74 69 6f 6e 0d 13 a6 15 20 20 20 41 44 52 20 52 |tion.... ADR R|
00002da0 30 2c 45 73 63 61 70 65 53 0d 13 b0 0f 2e 50 72 |0,EscapeS.....Pr|
00002db0 69 6e 74 45 72 72 6f 72 0d 13 ba 13 20 20 20 41 |intError.... A|
00002dc0 44 44 20 52 30 2c 52 30 2c 23 34 0d 13 c4 17 20 |DD R0,R0,#4.... |
00002dd0 20 20 53 57 49 20 22 4f 53 5f 4e 65 77 4c 69 6e | SWI "OS_NewLin|
00002de0 65 22 0d 13 ce 16 20 20 20 53 57 49 20 22 4f 53 |e".... SWI "OS|
00002df0 5f 57 72 69 74 65 30 22 0d 13 d8 0f 20 20 20 42 |_Write0".... B|
00002e00 20 45 43 4c 6f 6f 70 0d 13 e2 05 5d 0d 13 ec 05 | ECLoop....]....|
00002e10 ed 0d 13 f6 29 ff 28 22 53 41 56 45 20 49 6e 74 |....).("SAVE Int|
00002e20 4d 6f 64 75 6c 65 20 22 2b c3 7e 53 70 61 63 65 |Module "+.~Space|
00002e30 2b 22 2b 22 2b c3 7e 50 25 29 0d 14 00 1e ff 28 |+"+"+.~P%).....(|
00002e40 22 53 45 54 54 59 50 45 20 49 6e 74 4d 6f 64 75 |"SETTYPE IntModu|
00002e50 6c 65 20 46 46 41 22 29 0d ff |le FFA")..|
00002e5a 
.