Home » Archimedes archive » Acorn User » AU 1993-10.adf » !3DGraphic_3DGraphic » BAU3DSrce
BAU3DSrce
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 1993-10.adf » !3DGraphic_3DGraphic |
| Filename: | BAU3DSrce |
| Read OK: | ✔ |
| File size: | 1F5C bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
File contents
10REM >BAU3DSrce
20REM By DCA
30REM For 32-bit machines
40REM (c) BAU July 1993
50:
60debug=TRUE
70DIM code% &10000,swi$(64),swi(64),def(64)
80def()=FALSE
90max_swi=-1
100i%=0
110REPEAT
120 SYS "OS_GBPB",9,"Source",code%,1,i%,&100,"*" TO ,,,read%,i%
130 IF read%=1 THEN
140 j%=code%
150 WHILE ?j%>=32
160 j%+=1
170 ENDWHILE
180 ?j%=13
190 f$=FNlc($code%)
200 IF LEFT$(f$,3)="swi" THEN
210 swi_no=VAL(MID$(f$,4))
220 def(swi_no)=TRUE
230 IF swi_no>max_swi max_swi=swi_no
240 swi$(swi_no)="Source."+f$
250 ENDIF
260 ENDIF
270UNTIL i%=-1
280IF max_swi=-1 ERROR 0,"No source files found!"
290swi$(64)="Source.Version"
300OVERLAY swi$()
310swi_chunk=&CE440
320vbit=1<<28
330wp=12:sp=13:link=14:pc=15
340wk=0
350FOR swi=0 TO max_swi:REM ***
360 IF def(swi) THEN z=EVAL("FNswi"+RIGHT$("0"+STR$swi,2)+"_vars"):REM ***
370NEXT:REM ***
380FOR pass%=4 TO 6 STEP 2
390P%=0
400O%=code%
410[OPT pass%
420.module_base
430 DCD 0
440 DCD init
450 DCD final
460 DCD service
470 DCD title
480 DCD help
490 DCD 0
500 DCD swi_chunk
510 DCD swi_handler
520 DCD swi_table
530 DCD 0
540
550.init STMFD (sp)!,{link}
560 MOV r0,#6
570 MOV r2,#0
580 MOV r3,#wk AND &FF
590 ORR r3,r3,#wk AND &FF00
600 SWI "XOS_Module"
610 MOVVS r2,#0
620 LDMFD (sp)!,{link}
630 CMP r2,#0
640 ADREQ r0,cant_init
650 ORREQS pc,link,#vbit
660 STR r2,[wp]
670 FNinit_code:REM ***
680 BICS pc,link,#vbit
690
700.cant_init
710 DCD 0
720 EQUS "BAU3D cannot initialise"
730 DCB 0
740 ALIGN
750
760.final STMFD (sp)!,{link}
770 FNfinal_code:REM ***
780 MOV r0,#7
790 LDR r2,[wp]
800 SWI "XOS_Module"
810 LDMFD (sp)!,{pc}
820
830.service
840 STMFD (sp)!,{link}
850 LDMFD (sp)!,{pc}
860
870.title EQUS "BAU3D"
880 DCB 0
890 ALIGN
900
910.help EQUS "BAU3D"
920 DCB 9
930 DCB 9
940 EQUS FNversion
950 DCB 0
960 ALIGN
970
980.swi_handler
990 LDR wp,[wp]
1000 CMP r11,#max_swi+1
1010 ADDCC pc,pc,r11,LSL #2
1020 B unknown_swi
1030]
1040FOR swi=0 TO max_swi
1050 [OPT pass%
1060 B swi(swi)
1070 ]
1080NEXT
1090[OPT pass%
1100.unknown_swi
1110 ADR r0,bad_swi_err
1120 ORRS pc,link,#vbit
1130.bad_swi_err
1140 DCD &1E6
1150 EQUS "Unknown BAU3D operation"
1160 DCB 0
1170 ALIGN
1180
1190.swi_table
1200 EQUS "BAU3D"
1210 DCB 0
1220]
1230FOR swi=0 TO max_swi
1240 IF def(swi) THEN
1250 [OPT pass%
1260 EQUS EVAL("FNswi"+RIGHT$("0"+STR$swi,2)+"_name")
1270 DCB 0
1280 ]
1290 ELSE
1300 [OPT pass%
1310 EQUS "Unused"+RIGHT$("0"+STR$swi,2)
1320 DCB 0
1330 ]
1340 ENDIF
1350NEXT
1360[OPT pass%
1370 DCB 0
1380 ALIGN
1390
1400]
1410FOR swi=0 TO max_swi
1420 swi(swi)=P%
1430 IF def(swi) THEN
1440 k=EVAL("FNswi"+RIGHT$("0"+STR$swi,2)+"_code")
1450 ELSE
1460 [OPT pass%
1470 MOV pc,link
1480 ]
1490 ENDIF
1500NEXT
1510[OPT pass%
1520.divide
1530 STMFD (sp)!,{r3,link}
1540 EOR r3,r0,r1
1550 CMP r0,#0
1560 RSBLT r0,r0,#0
1570 CMP r1,#0
1580 RSBLT r1,r1,#0
1590 MOV r14,r1
1600 CMP r14,r0,LSR #1
1610.div1 MOVLS r14,r14,LSL #1
1620 CMPLS r14,r0,LSR #1
1630 BLS div1
1640 MOV r2,#0
1650.div2 CMP r0,r14
1660 SUBCS r0,r0,r14
1670 ADC r2,r2,r2
1680 MOV r14,r14,LSR #1
1690 CMP r14,r1
1700 BCS div2
1710 TST r3,#1<<31
1720 RSBNE r2,r2,#0
1730 LDMFD (sp)!,{r3,pc}
1740]
1750PROCassemble_debug
1760NEXT pass%
1770SYS "OS_File",10,"BAU3D",&FFA,,code%,O%
1780END
1790:
1800DEF FNtable(size%)
1810P%+=size%
1820O%+=size%
1830=0
1840:
1850DEF FNswap(a,b)
1860[OPT pass%
1870 EOR a,a,b
1880 EOR b,a,b
1890 EOR a,a,b
1900]
1910=0
1920:
1930DEF FNadrl(reg,off)
1940[OPT pass%
1950 ADD reg,wp,#(off AND &FF)
1960 ADD reg,reg,#(off AND &FF00)
1970]
1980=0
1990:
2000DEF FNadreql(reg,off)
2010[OPT pass%
2020 ADDEQ reg,wp,#(off AND &FF)
2030 ADDEQ reg,reg,#(off AND &FF00)
2040]
2050=0
2060:
2070DEF FNwk(req)
2080wk+=req
2090=wk-req
2100:
2110DEF FNlc(a$)
2120LOCAL b$,i,c
2130FOR i=1 TO LEN(a$)
2140 c=ASCMID$(a$,i)
2150 IF c>=ASC"A" AND c<=ASC"Z" c+=32
2160 b$+=CHR$c
2170NEXT
2180=b$
2190:
2200DEF FNassert(a$):REM ***
2210IF pass%>4 THEN IF NOT EVAL(a$) PRINT"Assertion '"a$"' failed":END
2220=0
2230:
2240REM ************************************************************************
2250REM FNdebug
2260REM Somewhere in your program include PROCassemble_debug
2270REM Set the variable debug to TRUE or FALSE
2280REM IF debug=FALSE then FNdebug will do nothing and PROCassemble_debug
2290REM will assemble no code.
2300REM IF debug=TRUE then
2310REM Pass a string to FNdebug and it will be printed
2320REM Any occurrences of \<command>\ will be interpreted
2330REM \\ - prints \
2340REM \<register alias>\ - prints the register value in decimal
2350REM \&<register alias>\ - prints the register value in hex
2360REM \$<register alias>\ - prints the null terminated string
2370REM \n\ or \N\ - prints a newline
2380REM
2390REM FNdebug preserves all registers (including R14) and flags
2400REM (Just uses a bit of stack space!)
2410REM Can be used in USR or SVC mode (not checked for)
2420REM ************************************************************************
2430
2440
2450REM This is so you can call assemble_debug after Fndebug if desired
2460DEF PROCdebug_constants
2470debug_decimal = 128 OR (%000 << 4)
2480debug_hex = 128 OR (%001 << 4)
2490debug_string = 128 OR (%010 << 4)
2500ENDPROC
2510
2520DEF PROCassemble_debug
2530IF NOT debug THEN ENDPROC
2540PROCdebug_constants
2550[OPT pass%
2560.debug_
2570STMFD R13!,{R0-R13} ;store all the registers R14,R15 already on stack
2580AND R10,R14,#&FC000003 ;R10 holds processor flags
2590BIC R9,R14,#&FC000003 ;R9 is string pointer with no flags
2600.debugloop
2610LDRB R0,[R9],#1
2620CMP R0,#0
2630BEQ debugdone
2640CMP R0,#128
2650SWILT "OS_WriteC"
2660BLT debugloop
2670AND R8,R0,#%01110000
2680AND R0,R0,#%00001111
2690LDR R0,[R13,R0,LSL #2]
2700ADD PC,PC,R8,LSR #2
2710DCD 0
2720B debug_type_decimal
2730B debug_type_hex
2740B debug_type_string
2750B debug_type011
2760B debug_type100
2770B debug_type101
2780B debug_type110
2790B debug_type111
2800.debugdone
2810ADD R9,R9,#3
2820BIC R9,R9,#3 ;align R9 for return address
2830ORR R14,R10,R9 ;glue flags onto return address
2840LDMFD R13!,{R0-R12} ;restore registers
2850ADD R13,R13,#4 ;drop R13
2860MOVS PC,R14 ;return with flags unchanged
2870:
2880.debug_type011
2890.debug_type100
2900.debug_type101
2910.debug_type110
2920.debug_type111
2930B debugloop
2940:
2950.debug_type_decimal
2960ADR R1,debugnumbuf
2970MOV R2,#16
2980SWI "OS_ConvertInteger4"
2990SWI "OS_Write0"
3000B debugloop
3010:
3020.debug_type_hex
3030ADR R1,debugnumbuf
3040MOV R2,#16
3050SWI "OS_ConvertHex8"
3060SWI "OS_Write0"
3070B debugloop
3080:
3090.debug_type_string
3100mov r4,r0
3110.debug_stringloop
3120ldrb r0,[r4],#1
3130cmp r0,#0
3140beq debugloop
3150cmp r0,#32
3160blt debugstrhex
3170cmp r0,#127
3180beq debugstrhex
3190swi "OS_WriteC"
3200b debug_stringloop
3210
3220.debugstrhex
3230swi 256+ASC"["
3240ADR R1,debugnumbuf
3250MOV R2,#16
3260SWI "OS_ConvertHex2"
3270SWI "OS_Write0"
3280swi 256+ASC"]"
3290b debug_stringloop
3300:
3310.debugnumbuf
3320EQUD 0:EQUD 0:EQUD 0:EQUD 0
3330]
3340ENDPROC
3350
3360
3370DEF FNdebug(str$)
3380LOCAL base,a,b,a$
3390IF NOT debug THEN =""
3400PROCdebug_constants
3410[OPT pass%
3420STMFD R13 !,{R14,R15} ;Save R14 for later and R15 for printout
3430BL debug_
3440]
3450WHILE INSTR(str$,"\")>0
3460 a=INSTR(str$,"\")
3470 b=INSTR(str$,"\",a+1)-a-1
3480 a$=MID$(str$,a+1,b)
3490 CASE a$ OF
3500 WHEN "" :str$=LEFT$(str$,a)+MID$(str$,a+2)
3510 WHEN "n","N" : str$=LEFT$(str$,a-1)+CHR$13+CHR$10+MID$(str$,a+3)
3520 OTHERWISE:
3530 CASE LEFT$(a$,1) OF
3540 WHEN "&": base=debug_hex: a$=MID$(a$,2)
3550 WHEN "$": base=debug_string: a$=MID$(a$,2)
3560 OTHERWISE: base=debug_decimal
3570 ENDCASE
3580 str$=LEFT$(str$,a-1)+CHR$(base OR EVALa$)+MID$(str$,a+b+2)
3590 ENDCASE
3600ENDWHILE
3610[OPT pass%
3620 EQUS str$
3630 EQUB 0
3640 ALIGN
3650 LDMFD R13 !,{R14} ;restore R14
3660 ADD R13,R13,#4 ;drop R15
3670]
3680=""
� >BAU3DSrce
� By DCA
� For 32-bit machines
(� (c) BAU July 1993
2:
< debug=�
F+� code% &10000,swi$(64),swi(64),def(64)
P def()=�
Zmax_swi=-1
di%=0
n�
x> ș "OS_GBPB",9,"Source",code%,1,i%,&100,"*" � ,,,read%,i%
� � read%=1 �
� j%=code%
� ȕ ?j%>=32
� j%+=1
� �
� ?j%=13
� f$=�lc($code%)
� � �f$,3)="swi" �
� swi_no=�(�f$,4))
� def(swi_no)=�
�& � swi_no>max_swi max_swi=swi_no
� swi$(swi_no)="Source."+f$
� �
�
� i%=-1
-� max_swi=-1 � 0,"No source files found!"
" swi$(64)="Source.Version"
,
ȣ swi$()
6swi_chunk=&CE440
@vbit=1<<28
J wp=12:sp=13:link=14:pc=15
Twk=0
^� swi=0 � max_swi:� ***
h9 � def(swi) � z=�("FNswi"+�"0"+�swi,2)+"_vars"):� ***
r �:� ***
|� pass%=4 � 6 � 2
�P%=0
� O%=code%
�[OPT pass%
�.module_base
� DCD 0
� DCD init
� DCD final
� DCD service
� DCD title
� DCD help
� DCD 0
� DCD swi_chunk
� DCD swi_handler
DCD swi_table
DCD 0
& .init STMFD (sp)!,{link}
0 MOV r0,#6
: MOV r2,#0
D MOV r3,#wk � &FF
N$ �R r3,r3,#wk � &FF00
X SWI "XOS_Module"
b MOVVS r2,#0
l LDMFD (sp)!,{link}
v CMP r2,#0
� ADREQ r0,cant_init
� �REQS pc,link,#vbit
� STR r2,[wp]
� �init_code:� ***
�! BICS pc,link,#vbit
�
�.cant_init
� DCD 0
�- EQUS "BAU3D cannot initialise"
� DCB 0
� ALIGN
�
� .final STMFD (sp)!,{link}
�final_code:� ***
MOV r0,#7
LDR r2,[wp]
SWI "XOS_Module"
* LDMFD (sp)!,{pc}
4
> .service
H STMFD (sp)!,{link}
R LDMFD (sp)!,{pc}
\
f.title EQUS "BAU3D"
p DCB 0
z ALIGN
�
�.help EQUS "BAU3D"
� DCB 9
� DCB 9
� EQUS �version
� DCB 0
� ALIGN
�
�.swi_handler
� LDR wp,[wp]
�" CMP r11,#max_swi+1
�$ ADDCC pc,pc,r11,LSL #2
� B unknown_swi
]
� swi=0 � max_swi
[OPT pass%
$ B swi(swi)
. ]
8�
B[OPT pass%
L.unknown_swi
V" ADR r0,bad_swi_err
` �RS pc,link,#vbit
j.bad_swi_err
t DCD &1E6
~- EQUS "Unknown BAU3D operation"
� DCB 0
� ALIGN
�
�.swi_table
� EQUS "BAU3D"
� DCB 0
�]
�� swi=0 � max_swi
� � def(swi) �
� [OPT pass%
�3 EQUS �("FNswi"+�"0"+�swi,2)+"_name")
� DCB 0
]
�
[OPT pass%
) EQUS "Unused"+�"0"+�swi,2)
( DCB 0
2 ]
< �
F�
P[OPT pass%
Z DCB 0
d ALIGN
n
x]
�� swi=0 � max_swi
� swi(swi)=P%
� � def(swi) �
�' k=�("FNswi"+�"0"+�swi,2)+"_code")
� �
� [OPT pass%
� MOV pc,link
� ]
� �
��
�[OPT pass%
� .divide
�# STMFD (sp)!,{r3,link}
� r3,r0,r1
CMP r0,#0
RSBLT r0,r0,#0
" CMP r1,#0
, RSBLT r1,r1,#0
6 MOV r14,r1
@! CMP r14,r0,LSR #1
J".div1 MOVLS r14,r14,LSL #1
T! CMPLS r14,r0,LSR #1
^ BLS div1
h MOV r2,#0
r.div2 CMP r0,r14
| SUBCS r0,r0,r14
� ADC r2,r2,r2
�" MOV r14,r14,LSR #1
� CMP r14,r1
� BCS div2
� TST r3,#1<<31
� RSBNE r2,r2,#0
�! LDMFD (sp)!,{r3,pc}
�]
��assemble_debug
� � pass%
�*ș "OS_File",10,"BAU3D",&FFA,,code%,O%
��
�:
� �table(size%)
P%+=size%
O%+=size%
&=0
0:
:� �swap(a,b)
D[OPT pass%
N � a,a,b
X � b,a,b
b � a,a,b
l]
v=0
�:
�� �adrl(reg,off)
�[OPT pass%
�' ADD reg,wp,#(off � &FF)
�* ADD reg,reg,#(off � &FF00)
�]
�=0
�:
�� �adreql(reg,off)
�[OPT pass%
�' ADDEQ reg,wp,#(off � &FF)
�* ADDEQ reg,reg,#(off � &FF00)
�]
=0
:
� �wk(req)
wk+=req
* =wk-req
4:
>
� �lc(a$)
H � b$,i,c
R� i=1 � �(a$)
\ c=��a$,i)
f � c>=�"A" � c<=�"Z" c+=32
p b$+=�c
z�
�=b$
�:
�� �assert(a$):� ***
�6� pass%>4 � � � �(a$) �"Assertion '"a$"' failed":�
�=0
�:
�N� ************************************************************************
�
� FNdebug
�:� Somewhere in your program include PROCassemble_debug
�-� Set the variable debug to TRUE or FALSE
�H� IF debug=FALSE then FNdebug will do nothing and PROCassemble_debug
� � will assemble no code.
�� IF debug=TRUE then
5� Pass a string to FNdebug and it will be printed
8� Any occurrences of \<command>\ will be interpreted
� \\ - prints \
$?� \<register alias>\ - prints the register value in decimal
.<� \&<register alias>\ - prints the register value in hex
8=� \$<register alias>\ - prints the null terminated string
B#� \n\ or \N\ - prints a newline
L�
V?� FNdebug preserves all registers (including R14) and flags
`'� (Just uses a bit of stack space!)
j6� Can be used in USR or SVC mode (not checked for)
tN� ************************************************************************
~
�
�E� This is so you can call assemble_debug after Fndebug if desired
�� �debug_constants
�%debug_decimal = 128 � (%000 << 4)
�%debug_hex = 128 � (%001 << 4)
�%debug_string = 128 � (%010 << 4)
��
�
�� �assemble_debug
�� � debug � �
��debug_constants
�[OPT pass%
.debug_
PSTMFD R13!,{R0-R13} ;store all the registers R14,R15 already on stack
7� R10,R14,#&FC000003 ;R10 holds processor flags
BBIC R9,R14,#&FC000003 ;R9 is string pointer with no flags
(.debugloop
2LDRB R0,[R9],#1
<
CMP R0,#0
FBEQ debugdone
PCMP R0,#128
ZSWILT "OS_WriteC"
dBLT debugloop
n� R8,R0,#%01110000
x� R0,R0,#%00001111
�LDR R0,[R13,R0,LSL #2]
�ADD PC,PC,R8,LSR #2
� DCD 0
�B debug_type_decimal
�B debug_type_hex
�B debug_type_string
�B debug_type011
�B debug_type100
�B debug_type101
�B debug_type110
�B debug_type111
�.debugdone
�ADD R9,R9,#3
8BIC R9,R9,#3 ;align R9 for return address
:�R R14,R10,R9 ;glue flags onto return address
.LDMFD R13!,{R0-R12} ;restore registers
"%ADD R13,R13,#4 ;drop R13
,8MOVS PC,R14 ;return with flags unchanged
6:
@.debug_type011
J.debug_type100
T.debug_type101
^.debug_type110
h.debug_type111
rB debugloop
|:
�.debug_type_decimal
�ADR R1,debugnumbuf
�MOV R2,#16
� SWI "OS_ConvertInteger4"
�SWI "OS_Write0"
�B debugloop
�:
�.debug_type_hex
�ADR R1,debugnumbuf
�MOV R2,#16
�SWI "OS_ConvertHex8"
�SWI "OS_Write0"
�B debugloop
:
.debug_type_string
mov r4,r0
&.debug_stringloop
0ldrb r0,[r4],#1
:
cmp r0,#0
Dbeq debugloop
Ncmp r0,#32
Xblt debugstrhex
bcmp r0,#127
lbeq debugstrhex
vswi "OS_WriteC"
�b debug_stringloop
�
�.debugstrhex
�swi 256+�"["
�ADR R1,debugnumbuf
�MOV R2,#16
�SWI "OS_ConvertHex2"
�SWI "OS_Write0"
�swi 256+�"]"
�b debug_stringloop
�:
�.debugnumbuf
� EQUD 0:EQUD 0:EQUD 0:EQUD 0
]
�
*� �debug(str$)
4� base,a,b,a$
>� � debug � =""
H�debug_constants
R[OPT pass%
\CSTMFD R13 !,{R14,R15} ;Save R14 for later and R15 for printout
f
BL debug_
p]
zȕ �str$,"\")>0
� a=�str$,"\")
� b=�str$,"\",a+1)-a-1
� a$=�str$,a+1,b)
� Ȏ a$ �
�$ � "" :str$=�str$,a)+�str$,a+2)
�4 � "n","N" : str$=�str$,a-1)+�13+�10+�str$,a+3)
� :
� Ȏ �a$,1) �
�) � "&": base=debug_hex: a$=�a$,2)
�, � "$": base=debug_string: a$=�a$,2)
� : base=debug_decimal
� �
�1 str$=�str$,a-1)+�(base � �a$)+�str$,a+b+2)
�
�
[OPT pass%
$ EQUS str$
. EQUB 0
8
ALIGN
B$ LDMFD R13 !,{R14} ;restore R14
L! ADD R13,R13,#4 ;drop R15
V]
`=""
� 00000000 0d 00 0a 14 f4 20 20 20 20 20 3e 42 41 55 33 44 |..... >BAU3D|
00000010 53 72 63 65 0d 00 14 0d f4 20 42 79 20 20 44 43 |Srce..... By DC|
00000020 41 0d 00 1e 19 f4 20 46 6f 72 20 33 32 2d 62 69 |A..... For 32-bi|
00000030 74 20 6d 61 63 68 69 6e 65 73 0d 00 28 17 f4 20 |t machines..(.. |
00000040 28 63 29 20 42 41 55 20 4a 75 6c 79 20 31 39 39 |(c) BAU July 199|
00000050 33 0d 00 32 05 3a 0d 00 3c 0b 64 65 62 75 67 3d |3..2.:..<.debug=|
00000060 b9 0d 00 46 2b de 20 63 6f 64 65 25 20 26 31 30 |...F+. code% &10|
00000070 30 30 30 2c 73 77 69 24 28 36 34 29 2c 73 77 69 |000,swi$(64),swi|
00000080 28 36 34 29 2c 64 65 66 28 36 34 29 0d 00 50 0b |(64),def(64)..P.|
00000090 64 65 66 28 29 3d a3 0d 00 5a 0e 6d 61 78 5f 73 |def()=...Z.max_s|
000000a0 77 69 3d 2d 31 0d 00 64 08 69 25 3d 30 0d 00 6e |wi=-1..d.i%=0..n|
000000b0 05 f5 0d 00 78 3e 20 c8 99 20 22 4f 53 5f 47 42 |....x> .. "OS_GB|
000000c0 50 42 22 2c 39 2c 22 53 6f 75 72 63 65 22 2c 63 |PB",9,"Source",c|
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