Macintosh-HW/MacIIROMDiskDriver
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This commit is contained in:
Zane Kaminski
2020-06-26 03:12:08 -04:00
parent 2bcde56025
commit f63167e467
27 changed files with 160 additions and 1740 deletions
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.gitignore
+1
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@@ -1 +1,2 @@
*.DS_Store
obj/
Makefile
+26 -62
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@@ -2,12 +2,13 @@
RETRO68=/Users/zane/Retro68-build/toolchain
PREFIX=$(RETRO68)/m68k-apple-macos
AS=$(RETRO68)/bin/m68k-apple-macos-as
CC=$(RETRO68)/bin/m68k-apple-macos-gcc
LD=$(RETRO68)/bin/m68k-apple-macos-ld
OBJCOPY=$(RETRO68)/bin/m68k-apple-macos-objcopy
OBJDUMP=$(RETRO68)/bin/m68k-apple-macos-objdump
all: bin/rom.bin obj/rdisk.s obj/rdisk_reloc.s obj/rdisk_rel.sym obj/rdisk_abs.sym bin/rdisk_nonreloc.bin bin/rom_braun.bin obj/rdisk_braun.s obj/rdisk_braun_reloc.s obj/rdisk_braun_rel.sym obj/rdisk_braun_abs.sym bin/rdisk_braun_nonreloc.bin bin/rom_braun_oldbin.bin
all: bin/rom.bin obj/rdisk.s obj/driver.s obj/entry_rel.sym obj/driver_abs.sym
obj:
mkdir obj
@@ -15,83 +16,46 @@ obj:
bin:
mkdir bin
obj/entry.o: entry.s obj
$(AS) $< -o $@
obj/entry_rel.sym: obj obj/entry.o
$(OBJDUMP) -t obj/entry.o > $@
obj/rdisk.o: rdisk.c obj
$(CC) -c -O1 $< -o $@
obj/rdisk_reloc.o: obj obj/rdisk.o
$(LD) -Ttext=40851D70 -o $@ obj/rdisk.o
obj/rdisk.s: obj obj/rdisk.o
$(OBJDUMP) -d obj/rdisk.o > $@
obj/rdisk_reloc.s: obj obj/rdisk_reloc.o
$(OBJDUMP) -d obj/rdisk_reloc.o > $@
obj/rdisk_rel.sym: obj obj/rdisk.o
$(OBJDUMP) -t obj/rdisk.o > $@
obj/driver.o: obj obj/entry.o obj/rdisk.o
$(LD) -Ttext=40851D70 -o $@ obj/entry.o obj/rdisk.o
obj/rdisk_abs.sym: obj obj/rdisk_reloc.o
$(OBJDUMP) -t obj/rdisk_reloc.o > $@
obj/driver.s: obj obj/driver.o
$(OBJDUMP) -d obj/driver.o > $@
bin/rdisk.bin: bin obj/rdisk_reloc.o
$(OBJCOPY) -O binary obj/rdisk_reloc.o $@
bin/rdisk_nonreloc.bin: bin obj/rdisk.o
$(OBJCOPY) -O binary obj/rdisk.o $@
obj/driver_abs.sym: obj obj/driver.o
$(OBJDUMP) -t obj/driver.o > $@
obj/rdisk_braun.o: rdisk_braun.c obj
$(CC) -c -O1 $< -o $@
obj/rdisk_braun_reloc.o: obj obj/rdisk_braun.o
$(LD) -Ttext=40851D70 -o $@ obj/rdisk_braun.o
obj/rdisk_braun.s: obj obj/rdisk_braun.o
$(OBJDUMP) -d obj/rdisk_braun.o > $@
obj/rdisk_braun_reloc.s: obj obj/rdisk_braun_reloc.o
$(OBJDUMP) -d obj/rdisk_braun_reloc.o > $@
obj/rdisk_braun_rel.sym: obj obj/rdisk_braun.o
$(OBJDUMP) -t obj/rdisk_braun.o > $@
obj/rdisk_braun_abs.sym: obj obj/rdisk_braun_reloc.o
$(OBJDUMP) -t obj/rdisk_braun_reloc.o > $@
bin/rdisk_braun.bin: bin obj/rdisk_braun_reloc.o
$(OBJCOPY) -O binary obj/rdisk_braun_reloc.o $@
bin/rdisk_braun_nonreloc.bin: bin obj/rdisk_braun.o
$(OBJCOPY) -O binary obj/rdisk_braun.o $@
bin/driver.bin: bin obj/driver.o
$(OBJCOPY) -O binary obj/driver.o $@
bin/rom.bin: baserom.bin bin bin/rdisk.bin obj/rdisk_rel.sym
bin/rom.bin: baserom.bin RDisk1M5.dsk bin bin/driver.bin obj/entry_rel.sym
cp baserom.bin $@ # copy base rom
cat bin/rdisk.bin | dd of=$@ bs=1 seek=335266 skip=50 conv=notrunc # Copy driver code
dd if=bin/driver.bin of=$@ bs=1 seek=335266 skip=50 conv=notrunc # Copy driver code
printf '\x78' | dd of=$@ bs=1 seek=335168 count=1 conv=notrunc # Set resource flags
printf '\x4F' | dd of=$@ bs=1 seek=335216 count=1 conv=notrunc # Set driver flags
cat obj/rdisk_rel.sym | grep "Open" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335224 count=2 conv=notrunc
cat obj/rdisk_rel.sym | grep "Prime" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335226 count=2 conv=notrunc
cat obj/rdisk_rel.sym | grep "Control" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335228 count=2 conv=notrunc
cat obj/rdisk_rel.sym | grep "Status" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335230 count=2 conv=notrunc
cat obj/rdisk_rel.sym | grep "Close" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335232 count=2 conv=notrunc
dd if=RDisk1M5 of=$@ bs=1024 seek=512 count=1536 conv=notrunc # copy disk image
bin/rom_braun.bin: bin bin/rdisk_braun.bin obj/rdisk_braun_rel.sym
cp baserom_braun_2m_0.9.bin $@ # copy base rom
cat bin/rdisk_braun.bin | dd of=$@ bs=1 seek=335266 skip=50 conv=notrunc # Copy driver code
printf '\x78' | dd of=$@ bs=1 seek=335168 count=1 conv=notrunc # Set resource flags
printf '\x4F' | dd of=$@ bs=1 seek=335216 count=1 conv=notrunc # Set driver flags
cat obj/rdisk_braun_rel.sym | grep "Open" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335224 count=2 conv=notrunc
cat obj/rdisk_braun_rel.sym | grep "Prime" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335226 count=2 conv=notrunc
cat obj/rdisk_braun_rel.sym | grep "Control" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335228 count=2 conv=notrunc
cat obj/rdisk_braun_rel.sym | grep "Status" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335230 count=2 conv=notrunc
cat obj/rdisk_braun_rel.sym | grep "Close" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335232 count=2 conv=notrunc
dd if=RDisk1M5 of=$@ bs=1024 seek=512 count=1536 conv=notrunc # copy disk image
bin/rom_braun_oldbin.bin: bin bin/rdisk_braun.bin obj/rdisk_braun_rel.sym
cp baserom_braun_2m_0.9.bin $@ # copy base rom
dd if=RDisk1M5 of=$@ bs=1024 seek=512 count=1536 conv=notrunc # copy disk image
cat obj/entry_rel.sym | grep "DOpen" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335224 count=2 conv=notrunc
cat obj/entry_rel.sym | grep "DPrime" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335226 count=2 conv=notrunc
cat obj/entry_rel.sym | grep "DControl" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335228 count=2 conv=notrunc
cat obj/entry_rel.sym | grep "DStatus" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335230 count=2 conv=notrunc
cat obj/entry_rel.sym | grep "DClose" | cut -c5-8 | xxd -r -p - | dd of=$@ bs=1 seek=335232 count=2 conv=notrunc
dd if=RDisk1M5.dsk of=$@ bs=1024 seek=512 count=1536 conv=notrunc # copy disk image
.PHONY: clean
clean:
RDisk1M5 → RDisk1M5.dsk
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bin/driver.bin
Executable
BIN
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Binary file not shown.
bin/rdisk.bin
BIN
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Binary file not shown.
bin/rdisk_braun.bin
BIN
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Binary file not shown.
bin/rdisk_braun_nonreloc.bin
BIN
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Binary file not shown.
bin/rdisk_nonreloc.bin
BIN
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Binary file not shown.
bin/rom.bin
BIN
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Binary file not shown.
bin/rom_braun.bin
BIN
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bin/rom_braun_oldbin.bin
BIN
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entry.s
+68
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@@ -0,0 +1,68 @@
dc.l 0x00000000, 0x00000000, 0x00000000, 0x00000000
dc.l 0x00000000, 0x00000000, 0x00000000, 0x00000000
dc.l 0x00000000, 0x00000000, 0x00000000, 0x00000000
dc.l 0x00000000, 0x00000000, 0x00000000, 0x00000000
.EQU killCode, 1
.EQU noQueueBit, 9
.EQU kioTrap, 6
.EQU kioResult, 16
.EQU kcsCode, 26
.EQU JIODone, 0x08FC
DOpen:
movem.l %A0-%A1,-(%SP)
bsr RDiskOpen
movem.l (%SP)+,%A0-%A1
rts
DClose:
movem.l %A0-%A1,-(%SP)
bsr RDiskClose
movem.l (%SP)+,%A0-%A1
rts
DPrime:
movem.l %A0-%A1,-(%SP)
bsr RDiskPrime
movem.l (%SP)+,%A0-%A1
bra.b IOReturn
DControl:
movem.l %A0-%A1,-(%SP)
bsr RDiskControl
movem.l (%SP)+,%A0-%A1
cmpi.w #killCode, kcsCode(%A0)
bne.b IOReturn
rts
DStatus:
movem.l %A0-%A1,-(%SP)
bsr RDiskStatus
movem.l (%SP)+,%A0-%A1
IOReturn:
move.w kioTrap(%A0),%D1
btst #noQueueBit,%D1
beq.b Queued
NotQueued:
tst.w %D0
ble.b ImmedRTS
clr.w %D0
ImmedRTS:
move.w %D0,kioResult(%A0)
rts
Queued:
tst.w %D0
ble.b MyIODone
clr.w %D0
rts
MyIODone:
move.l JIODone,-(%SP)
rts
obj/rdisk.o
BIN
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Binary file not shown.
obj/rdisk.s
-272
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@@ -1,272 +0,0 @@
obj/rdisk.o: file format elf32-m68k
Disassembly of section .text:
00000000 <GWROMDisk>:
...
30: 4e75 rts
32: 8947 .short 0x8947
34: 5752 subqw #3,%a2@
36: 4f4d .short 0x4f4d
38: 4469 736b negw %a1@(29547)
...
0000003e <RDiskAddDrive>:
3e: 4280 clrl %d0
40: 302f 0006 movew %sp@(6),%d0
44: 4840 swap %d0
46: 302f 0004 movew %sp@(4),%d0
4a: 206f 0008 moveal %sp@(8),%a0
4e: a04e .short 0xa04e
50: 4e75 rts
52: 8d52 orw %d6,%a2@
54: 4469 736b negw %a1@(29547)
58: 4164 .short 0x4164
5a: 6444 bccs a0 <RDiskOpen+0x2>
5c: 7269 moveq #105,%d1
5e: 7665 moveq #101,%d3
...
00000062 <RDiskCopy24>:
62: 598f subql #4,%sp
64: 1f7c 0001 0003 moveb #1,%sp@(3)
6a: 41ef 0003 lea %sp@(3),%a0
6e: 1010 moveb %a0@,%d0
70: a05d .short 0xa05d
72: 1080 moveb %d0,%a0@
74: 202f 0010 movel %sp@(16),%d0
78: 226f 000c moveal %sp@(12),%a1
7c: 206f 0008 moveal %sp@(8),%a0
80: a02e .short 0xa02e
82: 41ef 0003 lea %sp@(3),%a0
86: 1010 moveb %a0@,%d0
88: a05d .short 0xa05d
8a: 1080 moveb %d0,%a0@
8c: 588f addql #4,%sp
8e: 4e75 rts
90: 8b52 orw %d5,%a2@
92: 4469 736b negw %a1@(29547)
96: 436f .short 0x436f
98: 7079 moveq #121,%d0
9a: 3234 0000 movew %a4@(0000000000000000,%d0:w),%d1
0000009e <RDiskOpen>:
9e: 48e7 1030 moveml %d3/%a2-%a3,%sp@-
a2: 2649 moveal %a1,%a3
a4: 4aa9 0014 tstl %a1@(20)
a8: 6708 beqs b2 <RDiskOpen+0x14>
aa: 4240 clrw %d0
ac: 4cdf 0c08 moveml %sp@+,%d3/%a2-%a3
b0: 4e75 rts
b2: 203c 0000 0000 movel #0,%d0
b8: a055 .short 0xa055
ba: 598f subql #4,%sp
bc: 2ebc 0000 0308 movel #776,%sp@
c2: 2057 moveal %sp@,%a0
c4: 588f addql #4,%sp
c6: 2068 0002 moveal %a0@(2),%a0
ca: b0fc 0000 cmpaw #0,%a0
ce: 671a beqs ea <RDiskOpen+0x4c>
d0: 7601 moveq #1,%d3
d2: 6008 bras dc <RDiskOpen+0x3e>
d4: 2050 moveal %a0@,%a0
d6: b0fc 0000 cmpaw #0,%a0
da: 6710 beqs ec <RDiskOpen+0x4e>
dc: 3468 0006 moveaw %a0@(6),%a2
e0: b68a cmpl %a2,%d3
e2: 6ef0 bgts d4 <RDiskOpen+0x36>
e4: 260a movel %a2,%d3
e6: 5283 addql #1,%d3
e8: 60ea bras d4 <RDiskOpen+0x36>
ea: 7601 moveq #1,%d3
ec: 702a moveq #42,%d0
ee: a722 .short 0xa722
f0: 2748 0014 movel %a0,%a3@(20)
f4: 6752 beqs 148 <RDiskOpen+0xaa>
f6: a029 .short 0xa029
f8: 206b 0014 moveal %a3@(20),%a0
fc: 2050 moveal %a0@,%a0
fe: 4228 001e clrb %a0@(30)
102: 42a8 0020 clrl %a0@(32)
106: 42a8 0024 clrl %a0@(36)
10a: 4228 0028 clrb %a0@(40)
10e: 91c8 subal %a0,%a0
110: 117c fff0 0002 moveb #-16,%a0@(2)
116: 117c 0008 0003 moveb #8,%a0@(3)
11c: 3143 000c movew %d3,%a0@(12)
120: 302b 0018 movew %a3@(24),%d0
124: 3140 000e movew %d0,%a0@(14)
128: 317c 0c00 0012 movew #3072,%a0@(18)
12e: 4268 0014 clrw %a0@(20)
132: 4878 0006 pea 6 <GWROMDisk+0x6>
136: 3f03 movew %d3,%sp@-
138: 3f00 movew %d0,%sp@-
13a: 4eb9 0000 0000 jsr 0 <GWROMDisk>
140: 508f addql #8,%sp
142: 4240 clrw %d0
144: 6000 ff66 braw ac <RDiskOpen+0xe>
148: 70e9 moveq #-23,%d0
14a: 6000 ff60 braw ac <RDiskOpen+0xe>
14e: 4e75 rts
150: 8952 orw %d4,%a2@
152: 4469 736b negw %a1@(29547)
156: 4f70 .short 0x4f70
158: 656e bcss 1c8 <RDiskPrime+0x42>
...
0000015c <RDiskInit>:
15c: 206f 000c moveal %sp@(12),%a0
160: 117c 0001 001e moveb #1,%a0@(30)
166: 50e8 0002 st %a0@(2)
16a: 42a8 0020 clrl %a0@(32)
16e: 42a8 0024 clrl %a0@(36)
172: 4228 0028 clrb %a0@(40)
176: 4240 clrw %d0
178: 4e75 rts
17a: 8952 orw %d4,%a2@
17c: 4469 736b negw %a1@(29547)
180: 496e .short 0x496e
182: 6974 bvss 1f8 <RDiskPrime+0x72>
...
00000186 <RDiskPrime>:
186: 48e7 1c30 moveml %d3-%d5/%a2-%a3,%sp@-
18a: 2448 moveal %a0,%a2
18c: 2649 moveal %a1,%a3
18e: 2069 0014 moveal %a1@(20),%a0
192: b0fc 0000 cmpaw #0,%a0
196: 6700 00c6 beqw 25e <RDiskPrime+0xd8>
19a: 2050 moveal %a0@,%a0
19c: 4a28 001e tstb %a0@(30)
1a0: 6738 beqs 1da <RDiskPrime+0x54>
1a2: 322a 002c movew %a2@(44),%d1
1a6: 3001 movew %d1,%d0
1a8: 0240 000f andiw #15,%d0
1ac: 0c40 0001 cmpiw #1,%d0
1b0: 6746 beqs 1f8 <RDiskPrime+0x72>
1b2: 0c40 0003 cmpiw #3,%d0
1b6: 6746 beqs 1fe <RDiskPrime+0x78>
1b8: 4a40 tstw %d0
1ba: 6736 beqs 1f2 <RDiskPrime+0x6c>
1bc: 7800 moveq #0,%d4
1be: 102a 0007 moveb %a2@(7),%d0
1c2: 0c00 0002 cmpib #2,%d0
1c6: 6740 beqs 208 <RDiskPrime+0x82>
1c8: 0c00 0003 cmpib #3,%d0
1cc: 6700 009c beqw 26a <RDiskPrime+0xe4>
1d0: 4243 clrw %d3
1d2: 3003 movew %d3,%d0
1d4: 4cdf 0c38 moveml %sp@+,%d3-%d5/%a2-%a3
1d8: 4e75 rts
1da: 117c 0001 001e moveb #1,%a0@(30)
1e0: 50e8 0002 st %a0@(2)
1e4: 42a8 0020 clrl %a0@(32)
1e8: 42a8 0024 clrl %a0@(36)
1ec: 4228 0028 clrb %a0@(40)
1f0: 60b0 bras 1a2 <RDiskPrime+0x1c>
1f2: 282b 0010 movel %a3@(16),%d4
1f6: 60c6 bras 1be <RDiskPrime+0x38>
1f8: 282a 002e movel %a2@(46),%d4
1fc: 60c0 bras 1be <RDiskPrime+0x38>
1fe: 282b 0010 movel %a3@(16),%d4
202: d8aa 002e addl %a2@(46),%d4
206: 60b6 bras 1be <RDiskPrime+0x38>
208: 3601 movew %d1,%d3
20a: 0243 0040 andiw #64,%d3
20e: 0801 0006 btst #6,%d1
212: 6650 bnes 264 <RDiskPrime+0xde>
214: 2a04 movel %d4,%d5
216: 0685 4088 0000 addil #1082654720,%d5
21c: 4a38 0cb2 tstb cb2 <RDiskClose+0x9e2>
220: 6720 beqs 242 <RDiskPrime+0xbc>
222: 202a 0024 movel %a2@(36),%d0
226: 226a 0020 moveal %a2@(32),%a1
22a: 2045 moveal %d5,%a0
22c: a02e .short 0xa02e
22e: 202a 0024 movel %a2@(36),%d0
232: 2540 0028 movel %d0,%a2@(40)
236: d880 addl %d0,%d4
238: 2744 0010 movel %d4,%a3@(16)
23c: 2544 002e movel %d4,%a2@(46)
240: 6090 bras 1d2 <RDiskPrime+0x4c>
242: 202a 0020 movel %a2@(32),%d0
246: a055 .short 0xa055
248: a091 .short 0xa091
24a: 2f2a 0024 movel %a2@(36),%sp@-
24e: 2f00 movel %d0,%sp@-
250: 2f05 movel %d5,%sp@-
252: 4eb9 0000 0000 jsr 0 <GWROMDisk>
258: 4fef 000c lea %sp@(12),%sp
25c: 60d0 bras 22e <RDiskPrime+0xa8>
25e: 76bf moveq #-65,%d3
260: 6000 ff70 braw 1d2 <RDiskPrime+0x4c>
264: 4243 clrw %d3
266: 6000 ff6a braw 1d2 <RDiskPrime+0x4c>
26a: 76d4 moveq #-44,%d3
26c: 6000 ff64 braw 1d2 <RDiskPrime+0x4c>
270: 4e75 rts
272: 8a52 orw %a2@,%d5
274: 4469 736b negw %a1@(29547)
278: 5072 696d 6500 addqw #8,%a2@(0000000000006500)@(0000000000000000)
...
00000280 <RDiskControl>:
280: 70ef moveq #-17,%d0
282: 4e75 rts
284: 8c52 orw %a2@,%d6
286: 4469 736b negw %a1@(29547)
28a: 436f .short 0x436f
28c: 6e74 bgts 302 <RDiskClose+0x32>
28e: 726f moveq #111,%d1
290: 6c00 0000 bgew 292 <RDiskControl+0x12>
00000294 <RDiskStatus>:
294: 2f0a movel %a2,%sp@-
296: 2469 0014 moveal %a1@(20),%a2
29a: b4fc 0000 cmpaw #0,%a2
29e: 6718 beqs 2b8 <RDiskStatus+0x24>
2a0: 0c68 0008 001a cmpiw #8,%a0@(26)
2a6: 6614 bnes 2bc <RDiskStatus+0x28>
2a8: 701e moveq #30,%d0
2aa: 43e8 001c lea %a0@(28),%a1
2ae: 2052 moveal %a2@,%a0
2b0: a02e .short 0xa02e
2b2: 4240 clrw %d0
2b4: 245f moveal %sp@+,%a2
2b6: 4e75 rts
2b8: 70ee moveq #-18,%d0
2ba: 60f8 bras 2b4 <RDiskStatus+0x20>
2bc: 70ee moveq #-18,%d0
2be: 60f4 bras 2b4 <RDiskStatus+0x20>
2c0: 4e75 rts
2c2: 8b52 orw %d5,%a2@
2c4: 4469 736b negw %a1@(29547)
2c8: 5374 6174 7573 subqw #1,%a4@(0000000075730000)@(0000000000000000)
2ce: 0000
000002d0 <RDiskClose>:
2d0: 2f0a movel %a2,%sp@-
2d2: 2449 moveal %a1,%a2
2d4: 2069 0014 moveal %a1@(20),%a0
2d8: b0fc 0000 cmpaw #0,%a0
2dc: 671a beqs 2f8 <RDiskClose+0x28>
2de: 2050 moveal %a0@,%a0
2e0: 2068 0024 moveal %a0@(36),%a0
2e4: b0fc 0000 cmpaw #0,%a0
2e8: 6702 beqs 2ec <RDiskClose+0x1c>
2ea: a01f .short 0xa01f
2ec: 206a 0014 moveal %a2@(20),%a0
2f0: a02a .short 0xa02a
2f2: 206a 0014 moveal %a2@(20),%a0
2f6: a023 .short 0xa023
2f8: 42aa 0014 clrl %a2@(20)
2fc: 4240 clrw %d0
2fe: 245f moveal %sp@+,%a2
300: 4e75 rts
302: 8a52 orw %a2@,%d5
304: 4469 736b negw %a1@(29547)
308: 436c .short 0x436c
30a: 6f73 bles 37f <RDiskClose+0xaf>
30c: 6500 0000 bcsw 30e <RDiskClose+0x3e>
obj/rdisk_abs.sym
-22
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@@ -1,22 +0,0 @@
obj/rdisk_reloc.o: file format elf32-m68k
SYMBOL TABLE:
40851d70 l d .text 00000000 .text
00000000 l d .comment 00000000 .comment
00000000 l df *ABS* 00000000 rdisk.c
40851e0e g F .text 000000b0 RDiskOpen
40852004 g F .text 0000002c RDiskStatus
40851dd2 g F .text 0000002e RDiskCopy24
40851ecc g F .text 0000001e RDiskInit
00000000 *UND* 00000000 _start
40852040 g F .text 00000032 RDiskClose
40851ff0 g F .text 00000004 RDiskControl
40851d70 g F .text 00000032 GWROMDisk
40854080 g .text 00000000 __bss_start
40854080 g .text 00000000 _edata
40854080 g .text 00000000 _end
40851dae g F .text 00000014 RDiskAddDrive
40851ef6 g F .text 000000ea RDiskPrime
obj/rdisk_braun.o
BIN
View File
Binary file not shown.
obj/rdisk_braun.s
-368
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@@ -1,368 +0,0 @@
obj/rdisk_braun.o: file format elf32-m68k
Disassembly of section .text:
00000000 <BBraunROMDisk>:
...
30: 4e75 rts
32: 8d42 .short 0x8d42
34: 4272 6175 6e52 clrw %a2@(000000006e524f4d)@(0000000000000000)
3a: 4f4d
3c: 4469 736b negw %a1@(29547)
...
00000042 <RomDrvCopy>:
42: 598f subql #4,%sp
44: 1f7c 0001 0003 moveb #1,%sp@(3)
4a: 41ef 0003 lea %sp@(3),%a0
4e: 1010 moveb %a0@,%d0
50: a05d .short 0xa05d
52: 1080 moveb %d0,%a0@
54: 202f 0010 movel %sp@(16),%d0
58: 226f 000c moveal %sp@(12),%a1
5c: 206f 0008 moveal %sp@(8),%a0
60: a02e .short 0xa02e
62: 41ef 0003 lea %sp@(3),%a0
66: 1010 moveb %a0@,%d0
68: a05d .short 0xa05d
6a: 1080 moveb %d0,%a0@
6c: 588f addql #4,%sp
6e: 4e75 rts
70: 8a52 orw %a2@,%d5
72: 6f6d bles e1 <RomDrvOpen+0x3d>
74: 4472 7643 negw %a2@(0000000000000043,%d7:w:8)
78: 6f70 bles ea <RomDrvOpen+0x46>
7a: 7900 .short 0x7900
...
0000007e <RomDrvAddDrive>:
7e: 4280 clrl %d0
80: 302f 0006 movew %sp@(6),%d0
84: 4840 swap %d0
86: 302f 0004 movew %sp@(4),%d0
8a: 206f 0008 moveal %sp@(8),%a0
8e: a04e .short 0xa04e
90: 4e75 rts
92: 8e52 orw %a2@,%d7
94: 6f6d bles 103 <RomDrvOpen+0x5f>
96: 4472 7641 negw %a2@(0000000000000041,%d7:w:8)
9a: 6464 bccs 100 <RomDrvOpen+0x5c>
9c:
000000a4 <RomDrvOpen>:
a4: 48e7 1030 moveml %d3/%a2-%a3,%sp@-
a8: 2649 moveal %a1,%a3
aa: 203c 0000 0000 movel #0,%d0
b0: a055 .short 0xa055
b2: 598f subql #4,%sp
b4: 2ebc 0000 0308 movel #776,%sp@
ba: 2057 moveal %sp@,%a0
bc: 588f addql #4,%sp
be: 2068 0002 moveal %a0@(2),%a0
c2: b0fc 0000 cmpaw #0,%a0
c6: 671a beqs e2 <RomDrvOpen+0x3e>
c8: 7601 moveq #1,%d3
ca: 6008 bras d4 <RomDrvOpen+0x30>
cc: 2050 moveal %a0@,%a0
ce: b0fc 0000 cmpaw #0,%a0
d2: 6710 beqs e4 <RomDrvOpen+0x40>
d4: 3468 0006 moveaw %a0@(6),%a2
d8: b68a cmpl %a2,%d3
da: 6ef0 bgts cc <RomDrvOpen+0x28>
dc: 260a movel %a2,%d3
de: 5283 addql #1,%d3
e0: 60ea bras cc <RomDrvOpen+0x28>
e2: 7601 moveq #1,%d3
e4: 7032 moveq #50,%d0
e6: a722 .short 0xa722
e8: 2748 0014 movel %a0,%a3@(20)
ec: a029 .short 0xa029
ee: 206b 0014 moveal %a3@(20),%a0
f2: 2450 moveal %a0@,%a2
f4: 7040 moveq #64,%d0
f6: a51e .short 0xa51e
f8: 2248 moveal %a0,%a1
fa: 2548 001e movel %a0,%a2@(30)
fe: 674e beqs 14e <RomDrvOpen+0xaa>
100: 7040 moveq #64,%d0
102: 41f9 0000 0000 lea 0 <BBraunROMDisk>,%a0
108: a02e .short 0xa02e
10a: 202a 001e movel %a2@(30),%d0
10e: a055 .short 0xa055
110: 2540 0026 movel %d0,%a2@(38)
114: 157c fff0 0002 moveb #-16,%a2@(2)
11a: 157c 0008 0003 moveb #8,%a2@(3)
120: 3543 000c movew %d3,%a2@(12)
124: 302b 0018 movew %a3@(24),%d0
128: 3540 000e movew %d0,%a2@(14)
12c: 357c 0c00 0012 movew #3072,%a2@(18)
132: 426a 0014 clrw %a2@(20)
136: 486a 0006 pea %a2@(6)
13a: 3f03 movew %d3,%sp@-
13c: 3f00 movew %d0,%sp@-
13e: 4eb9 0000 0000 jsr 0 <BBraunROMDisk>
144: 508f addql #8,%sp
146: 4240 clrw %d0
148: 4cdf 0c08 moveml %sp@+,%d3/%a2-%a3
14c: 4e75 rts
14e: 70e9 moveq #-23,%d0
150: 60f6 bras 148 <RomDrvOpen+0xa4>
152: 4e75 rts
154: 8a52 orw %a2@,%d5
156: 6f6d bles 1c5 <RomDrvPrime+0x63>
158: 4472 764f negw %a2@(000000000000004f,%d7:w:8)
15c: 7065 moveq #101,%d0
15e: 6e00 0000 bgtw 160 <RomDrvOpen+0xbc>
00000162 <RomDrvPrime>:
162: 48e7 1c3a moveml %d3-%d5/%a2-%a4/%fp,%sp@-
166: 2448 moveal %a0,%a2
168: 2849 moveal %a1,%a4
16a: 2069 0014 moveal %a1@(20),%a0
16e: b0fc 0000 cmpaw #0,%a0
172: 6700 0158 beqw 2cc <RomDrvPrime+0x16a>
176: 2650 moveal %a0@,%a3
178: 4a2b 002e tstb %a3@(46)
17c: 6616 bnes 194 <RomDrvPrime+0x32>
17e: 177c 0001 002e moveb #1,%a3@(46)
184: 50eb 0002 st %a3@(2)
188: 42ab 0022 clrl %a3@(34)
18c: 277c 4088 0000 movel #1082654720,%a3@(42)
192: 002a
194: 322a 002c movew %a2@(44),%d1
198: 3001 movew %d1,%d0
19a: 0240 000f andiw #15,%d0
19e: 0c40 0001 cmpiw #1,%d0
1a2: 6766 beqs 20a <RomDrvPrime+0xa8>
1a4: 0c40 0003 cmpiw #3,%d0
1a8: 6766 beqs 210 <RomDrvPrime+0xae>
1aa: 4a40 tstw %d0
1ac: 6756 beqs 204 <RomDrvPrime+0xa2>
1ae: 302a 0006 movew %a2@(6),%d0
1b2: 0240 00ff andiw #255,%d0
1b6: 0c40 0002 cmpiw #2,%d0
1ba: 6760 beqs 21c <RomDrvPrime+0xba>
1bc: 0c40 0003 cmpiw #3,%d0
1c0: 6600 0116 bnew 2d8 <RomDrvPrime+0x176>
1c4: 4a2b 0002 tstb %a3@(2)
1c8: 6600 0114 bnew 2de <RomDrvPrime+0x17c>
1cc: 4a2b 0030 tstb %a3@(48)
1d0: 6600 00d4 bnew 2a6 <RomDrvPrime+0x144>
1d4: 202a 0024 movel %a2@(36),%d0
1d8: 226b 002a moveal %a3@(42),%a1
1dc: d3ce addal %fp,%a1
1de: 206a 0020 moveal %a2@(32),%a0
1e2: a22e .short 0xa22e
1e4: 202a 0024 movel %a2@(36),%d0
1e8: 2540 0028 movel %d0,%a2@(40)
1ec: d08e addl %fp,%d0
1ee: 2940 0010 movel %d0,%a4@(16)
1f2: 202c 0010 movel %a4@(16),%d0
1f6: 2540 002e movel %d0,%a2@(46)
1fa: 4243 clrw %d3
1fc: 3003 movew %d3,%d0
1fe: 4cdf 5c38 moveml %sp@+,%d3-%d5/%a2-%a4/%fp
202: 4e75 rts
204: 2c6c 0010 moveal %a4@(16),%fp
208: 60a4 bras 1ae <RomDrvPrime+0x4c>
20a: 2c6a 002e moveal %a2@(46),%fp
20e: 609e bras 1ae <RomDrvPrime+0x4c>
210: 202c 0010 movel %a4@(16),%d0
214: 2c40 moveal %d0,%fp
216: ddea 002e addal %a2@(46),%fp
21a: 6092 bras 1ae <RomDrvPrime+0x4c>
21c: 3601 movew %d1,%d3
21e: 0243 0040 andiw #64,%d3
222: 0801 0006 btst #6,%d1
226: 6600 00aa bnew 2d2 <RomDrvPrime+0x170>
22a: 282a 0024 movel %a2@(36),%d4
22e: 4a2b 0002 tstb %a3@(2)
232: 663c bnes 270 <RomDrvPrime+0x10e>
234: 4aab 0022 tstl %a3@(34)
238: 6736 beqs 270 <RomDrvPrime+0x10e>
23a: 4a2b 0030 tstb %a3@(48)
23e: 6610 bnes 250 <RomDrvPrime+0xee>
240: 2004 movel %d4,%d0
242: 226a 0020 moveal %a2@(32),%a1
246: 206b 002a moveal %a3@(42),%a0
24a: d1ce addal %fp,%a0
24c: a22e .short 0xa22e
24e: 603e bras 28e <RomDrvPrime+0x12c>
250: 2a2b 0026 movel %a3@(38),%d5
254: 202a 0020 movel %a2@(32),%d0
258: a055 .short 0xa055
25a: 2f04 movel %d4,%sp@-
25c: 2f00 movel %d0,%sp@-
25e: 202b 002a movel %a3@(42),%d0
262: d08e addl %fp,%d0
264: 2f00 movel %d0,%sp@-
266: 2045 moveal %d5,%a0
268: 4e90 jsr %a0@
26a: 4fef 000c lea %sp@(12),%sp
26e: 601e bras 28e <RomDrvPrime+0x12c>
270: 2a2b 0026 movel %a3@(38),%d5
274: 202a 0020 movel %a2@(32),%d0
278: a055 .short 0xa055
27a: 2f04 movel %d4,%sp@-
27c: 2f00 movel %d0,%sp@-
27e: 202b 002a movel %a3@(42),%d0
282: d08e addl %fp,%d0
284: 2f00 movel %d0,%sp@-
286: 2045 moveal %d5,%a0
288: 4e90 jsr %a0@
28a: 4fef 000c lea %sp@(12),%sp
28e: 2544 0028 movel %d4,%a2@(40)
292: 200e movel %fp,%d0
294: d084 addl %d4,%d0
296: 2940 0010 movel %d0,%a4@(16)
29a: 202c 0010 movel %a4@(16),%d0
29e: 2540 002e movel %d0,%a2@(46)
2a2: 6000 ff58 braw 1fc <RomDrvPrime+0x9a>
2a6: 262b 0026 movel %a3@(38),%d3
2aa: 282a 0024 movel %a2@(36),%d4
2ae: 266b 002a moveal %a3@(42),%a3
2b2: d7ce addal %fp,%a3
2b4: 202a 0020 movel %a2@(32),%d0
2b8: a055 .short 0xa055
2ba: 2f04 movel %d4,%sp@-
2bc: 2f0b movel %a3,%sp@-
2be: 2f00 movel %d0,%sp@-
2c0: 2043 moveal %d3,%a0
2c2: 4e90 jsr %a0@
2c4: 4fef 000c lea %sp@(12),%sp
2c8: 6000 ff1a braw 1e4 <RomDrvPrime+0x82>
2cc: 76bf moveq #-65,%d3
2ce: 6000 ff2c braw 1fc <RomDrvPrime+0x9a>
2d2: 4243 clrw %d3
2d4: 6000 ff26 braw 1fc <RomDrvPrime+0x9a>
2d8: 76d4 moveq #-44,%d3
2da: 6000 ff20 braw 1fc <RomDrvPrime+0x9a>
2de: 76d4 moveq #-44,%d3
2e0: 6000 ff1a braw 1fc <RomDrvPrime+0x9a>
2e4: 4e75 rts
2e6: 8b52 orw %d5,%a2@
2e8: 6f6d bles 357 <RDiskControl+0x19>
2ea: 4472 7650 negw %a2@(0000000000000050,%d7:w:8)
2ee: 7269 moveq #105,%d1
2f0: 6d65 blts 357 <RDiskControl+0x19>
...
000002f4 <RomDrvClose>:
2f4: 2f0b movel %a3,%sp@-
2f6: 2f0a movel %a2,%sp@-
2f8: 2449 moveal %a1,%a2
2fa: 2069 0014 moveal %a1@(20),%a0
2fe: b0fc 0000 cmpaw #0,%a0
302: 6724 beqs 328 <RomDrvClose+0x34>
304: 2650 moveal %a0@,%a3
306: 206b 0022 moveal %a3@(34),%a0
30a: b0fc 0000 cmpaw #0,%a0
30e: 6702 beqs 312 <RomDrvClose+0x1e>
310: a01f .short 0xa01f
312: 206b 001e moveal %a3@(30),%a0
316: a01f .short 0xa01f
318: 206a 0014 moveal %a2@(20),%a0
31c: a02a .short 0xa02a
31e: 206a 0014 moveal %a2@(20),%a0
322: a023 .short 0xa023
324: 42aa 0014 clrl %a2@(20)
328: 4240 clrw %d0
32a: 245f moveal %sp@+,%a2
32c: 265f moveal %sp@+,%a3
32e: 4e75 rts
330: 8b52 orw %d5,%a2@
332: 6f6d bles 3a1 <RDiskControl+0x63>
334: 4472 7643 negw %a2@(0000000000000043,%d7:w:8)
338: 6c6f bges 3a9 <RDiskControl+0x6b>
33a: 7365 .short 0x7365
...
0000033e <RDiskControl>:
33e: 2f0b movel %a3,%sp@-
340: 2f0a movel %a2,%sp@-
342: 2449 moveal %a1,%a2
344: 0c68 0041 001a cmpiw #65,%a0@(26)
34a: 6600 00a0 bnew 3ec <RDiskControl+0xae>
34e: 2069 0014 moveal %a1@(20),%a0
352: b0fc 0000 cmpaw #0,%a0
356: 6700 0098 beqw 3f0 <RDiskControl+0xb2>
35a: 2650 moveal %a0@,%a3
35c: 4a2b 002f tstb %a3@(47)
360: 6706 beqs 368 <RDiskControl+0x2a>
362: 4aab 0022 tstl %a3@(34)
366: 6718 beqs 380 <RDiskControl+0x42>
368: 426a 0022 clrw %a2@(34)
36c: 302a 0004 movew %a2@(4),%d0
370: 0240 dfff andiw #-8193,%d0
374: 3540 0004 movew %d0,%a2@(4)
378: 4240 clrw %d0
37a: 245f moveal %sp@+,%a2
37c: 265f moveal %sp@+,%a3
37e: 4e75 rts
380: 4a38 0cb2 tstb cb2 <RDiskStatus+0x8ac>
384: 6730 beqs 3b6 <RDiskControl+0x78>
386: 7018 moveq #24,%d0
388: 4840 swap %d0
38a: a51e .short 0xa51e
38c: 2008 movel %a0,%d0
38e: 2748 0022 movel %a0,%a3@(34)
392: 4a80 tstl %d0
394: 67d2 beqs 368 <RDiskControl+0x2a>
396: a055 .short 0xa055
398: 2740 002a movel %d0,%a3@(42)
39c: 2f3c 0018 0000 movel #1572864,%sp@-
3a2: 2f00 movel %d0,%sp@-
3a4: 2f3c 4088 0000 movel #1082654720,%sp@-
3aa: 206b 0026 moveal %a3@(38),%a0
3ae: 4e90 jsr %a0@
3b0: 4fef 000c lea %sp@(12),%sp
3b4: 60b2 bras 368 <RDiskControl+0x2a>
3b6: 177c 0001 0030 moveb #1,%a3@(48)
3bc: 7001 moveq #1,%d0
3be: a51e .short 0xa51e
3c0: 2748 0022 movel %a0,%a3@(34)
3c4: 277c 0080 0000 movel #8388608,%a3@(42)
3ca: 002a
3cc: 2f3c 0018 0000 movel #1572864,%sp@-
3d2: 2f3c 0080 0000 movel #8388608,%sp@-
3d8: 2f3c 4088 0000 movel #1082654720,%sp@-
3de: 206b 0026 moveal %a3@(38),%a0
3e2: 4e90 jsr %a0@
3e4: 4fef 000c lea %sp@(12),%sp
3e8: 6000 ff7e braw 368 <RDiskControl+0x2a>
3ec: 70ef moveq #-17,%d0
3ee: 608a bras 37a <RDiskControl+0x3c>
3f0: 4240 clrw %d0
3f2: 6086 bras 37a <RDiskControl+0x3c>
3f4: 4e75 rts
3f6: 8c52 orw %a2@,%d6
3f8: 4469 736b negw %a1@(29547)
3fc: 436f .short 0x436f
3fe: 6e74 bgts 474 <RDiskStatus+0x6e>
400: 726f moveq #111,%d1
402: 6c00 0000 bgew 404 <RDiskControl+0xc6>
00000406 <RDiskStatus>:
406: 2f0a movel %a2,%sp@-
408: 2469 0014 moveal %a1@(20),%a2
40c: b4fc 0000 cmpaw #0,%a2
410: 6718 beqs 42a <RDiskStatus+0x24>
412: 0c68 0008 001a cmpiw #8,%a0@(26)
418: 6614 bnes 42e <RDiskStatus+0x28>
41a: 701e moveq #30,%d0
41c: 43e8 001c lea %a0@(28),%a1
420: 2052 moveal %a2@,%a0
422: a02e .short 0xa02e
424: 4240 clrw %d0
426: 245f moveal %sp@+,%a2
428: 4e75 rts
42a: 70ee moveq #-18,%d0
42c: 60f8 bras 426 <RDiskStatus+0x20>
42e: 70ee moveq #-18,%d0
430: 60f4 bras 426 <RDiskStatus+0x20>
432: 4e75 rts
434: 8b52 orw %d5,%a2@
436: 4469 736b negw %a1@(29547)
43a: 5374 6174 7573 subqw #1,%a4@(0000000075730000)@(0000000000000000)
440: 0000
obj/rdisk_braun_abs.sym
-21
View File
@@ -1,21 +0,0 @@
obj/rdisk_braun_reloc.o: file format elf32-m68k
SYMBOL TABLE:
40851d70 l d .text 00000000 .text
00000000 l d .comment 00000000 .comment
00000000 l df *ABS* 00000000 rdisk_braun.c
40852176 g F .text 0000002c RDiskStatus
40851dee g F .text 00000014 RomDrvAddDrive
40852064 g F .text 0000003c RomDrvClose
40851ed2 g F .text 00000182 RomDrvPrime
00000000 *UND* 00000000 _start
408520ae g F .text 000000b6 RDiskControl
408541b2 g .text 00000000 __bss_start
40851d70 g F .text 00000032 BBraunROMDisk
40851e14 g F .text 000000ae RomDrvOpen
408541b2 g .text 00000000 _edata
408541b4 g .text 00000000 _end
40851db2 g F .text 0000002e RomDrvCopy
obj/rdisk_braun_rel.sym
-19
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@@ -1,19 +0,0 @@
obj/rdisk_braun.o: file format elf32-m68k
SYMBOL TABLE:
00000000 l df *ABS* 00000000 rdisk_braun.c
00000000 l d .text 00000000 .text
00000000 l d .data 00000000 .data
00000000 l d .bss 00000000 .bss
00000000 l d .comment 00000000 .comment
00000000 g F .text 00000032 BBraunROMDisk
00000042 g F .text 0000002e RomDrvCopy
0000007e g F .text 00000014 RomDrvAddDrive
000000a4 g F .text 000000ae RomDrvOpen
00000162 g F .text 00000182 RomDrvPrime
000002f4 g F .text 0000003c RomDrvClose
0000033e g F .text 000000b6 RDiskControl
00000406 g F .text 0000002c RDiskStatus
obj/rdisk_braun_reloc.o
BIN
View File
Binary file not shown.
obj/rdisk_braun_reloc.s
-368
View File
@@ -1,368 +0,0 @@
obj/rdisk_braun_reloc.o: file format elf32-m68k
Disassembly of section .text:
40851d70 <BBraunROMDisk>:
...
40851da0: 4e75 rts
40851da2: 8d42 .short 0x8d42
40851da4: 4272 6175 6e52 clrw %a2@(000000006e524f4d)@(0000000000000000)
40851daa: 4f4d
40851dac: 4469 736b negw %a1@(29547)
...
40851db2 <RomDrvCopy>:
40851db2: 598f subql #4,%sp
40851db4: 1f7c 0001 0003 moveb #1,%sp@(3)
40851dba: 41ef 0003 lea %sp@(3),%a0
40851dbe: 1010 moveb %a0@,%d0
40851dc0: a05d .short 0xa05d
40851dc2: 1080 moveb %d0,%a0@
40851dc4: 202f 0010 movel %sp@(16),%d0
40851dc8: 226f 000c moveal %sp@(12),%a1
40851dcc: 206f 0008 moveal %sp@(8),%a0
40851dd0: a02e .short 0xa02e
40851dd2: 41ef 0003 lea %sp@(3),%a0
40851dd6: 1010 moveb %a0@,%d0
40851dd8: a05d .short 0xa05d
40851dda: 1080 moveb %d0,%a0@
40851ddc: 588f addql #4,%sp
40851dde: 4e75 rts
40851de0: 8a52 orw %a2@,%d5
40851de2: 6f6d bles 40851e51 <RomDrvOpen+0x3d>
40851de4: 4472 7643 negw %a2@(0000000000000043,%d7:w:8)
40851de8: 6f70 bles 40851e5a <RomDrvOpen+0x46>
40851dea: 7900 .short 0x7900
...
40851dee <RomDrvAddDrive>:
40851dee: 4280 clrl %d0
40851df0: 302f 0006 movew %sp@(6),%d0
40851df4: 4840 swap %d0
40851df6: 302f 0004 movew %sp@(4),%d0
40851dfa: 206f 0008 moveal %sp@(8),%a0
40851dfe: a04e .short 0xa04e
40851e00: 4e75 rts
40851e02: 8e52 orw %a2@,%d7
40851e04: 6f6d bles 40851e73 <RomDrvOpen+0x5f>
40851e06: 4472 7641 negw %a2@(0000000000000041,%d7:w:8)
40851e0a: 6464 bccs 40851e70 <RomDrvOpen+0x5c>
40851e0c:
40851e14 <RomDrvOpen>:
40851e14: 48e7 1030 moveml %d3/%a2-%a3,%sp@-
40851e18: 2649 moveal %a1,%a3
40851e1a: 203c 4085 1d70 movel #1082465648,%d0
40851e20: a055 .short 0xa055
40851e22: 598f subql #4,%sp
40851e24: 2ebc 0000 0308 movel #776,%sp@
40851e2a: 2057 moveal %sp@,%a0
40851e2c: 588f addql #4,%sp
40851e2e: 2068 0002 moveal %a0@(2),%a0
40851e32: b0fc 0000 cmpaw #0,%a0
40851e36: 671a beqs 40851e52 <RomDrvOpen+0x3e>
40851e38: 7601 moveq #1,%d3
40851e3a: 6008 bras 40851e44 <RomDrvOpen+0x30>
40851e3c: 2050 moveal %a0@,%a0
40851e3e: b0fc 0000 cmpaw #0,%a0
40851e42: 6710 beqs 40851e54 <RomDrvOpen+0x40>
40851e44: 3468 0006 moveaw %a0@(6),%a2
40851e48: b68a cmpl %a2,%d3
40851e4a: 6ef0 bgts 40851e3c <RomDrvOpen+0x28>
40851e4c: 260a movel %a2,%d3
40851e4e: 5283 addql #1,%d3
40851e50: 60ea bras 40851e3c <RomDrvOpen+0x28>
40851e52: 7601 moveq #1,%d3
40851e54: 7032 moveq #50,%d0
40851e56: a722 .short 0xa722
40851e58: 2748 0014 movel %a0,%a3@(20)
40851e5c: a029 .short 0xa029
40851e5e: 206b 0014 moveal %a3@(20),%a0
40851e62: 2450 moveal %a0@,%a2
40851e64: 7040 moveq #64,%d0
40851e66: a51e .short 0xa51e
40851e68: 2248 moveal %a0,%a1
40851e6a: 2548 001e movel %a0,%a2@(30)
40851e6e: 674e beqs 40851ebe <RomDrvOpen+0xaa>
40851e70: 7040 moveq #64,%d0
40851e72: 41f9 4085 1db2 lea 40851db2 <RomDrvCopy>,%a0
40851e78: a02e .short 0xa02e
40851e7a: 202a 001e movel %a2@(30),%d0
40851e7e: a055 .short 0xa055
40851e80: 2540 0026 movel %d0,%a2@(38)
40851e84: 157c fff0 0002 moveb #-16,%a2@(2)
40851e8a: 157c 0008 0003 moveb #8,%a2@(3)
40851e90: 3543 000c movew %d3,%a2@(12)
40851e94: 302b 0018 movew %a3@(24),%d0
40851e98: 3540 000e movew %d0,%a2@(14)
40851e9c: 357c 0c00 0012 movew #3072,%a2@(18)
40851ea2: 426a 0014 clrw %a2@(20)
40851ea6: 486a 0006 pea %a2@(6)
40851eaa: 3f03 movew %d3,%sp@-
40851eac: 3f00 movew %d0,%sp@-
40851eae: 4eb9 4085 1dee jsr 40851dee <RomDrvAddDrive>
40851eb4: 508f addql #8,%sp
40851eb6: 4240 clrw %d0
40851eb8: 4cdf 0c08 moveml %sp@+,%d3/%a2-%a3
40851ebc: 4e75 rts
40851ebe: 70e9 moveq #-23,%d0
40851ec0: 60f6 bras 40851eb8 <RomDrvOpen+0xa4>
40851ec2: 4e75 rts
40851ec4: 8a52 orw %a2@,%d5
40851ec6: 6f6d bles 40851f35 <RomDrvPrime+0x63>
40851ec8: 4472 764f negw %a2@(000000000000004f,%d7:w:8)
40851ecc: 7065 moveq #101,%d0
40851ece: 6e00 0000 bgtw 40851ed0 <RomDrvOpen+0xbc>
40851ed2 <RomDrvPrime>:
40851ed2: 48e7 1c3a moveml %d3-%d5/%a2-%a4/%fp,%sp@-
40851ed6: 2448 moveal %a0,%a2
40851ed8: 2849 moveal %a1,%a4
40851eda: 2069 0014 moveal %a1@(20),%a0
40851ede: b0fc 0000 cmpaw #0,%a0
40851ee2: 6700 0158 beqw 4085203c <RomDrvPrime+0x16a>
40851ee6: 2650 moveal %a0@,%a3
40851ee8: 4a2b 002e tstb %a3@(46)
40851eec: 6616 bnes 40851f04 <RomDrvPrime+0x32>
40851eee: 177c 0001 002e moveb #1,%a3@(46)
40851ef4: 50eb 0002 st %a3@(2)
40851ef8: 42ab 0022 clrl %a3@(34)
40851efc: 277c 4088 0000 movel #1082654720,%a3@(42)
40851f02: 002a
40851f04: 322a 002c movew %a2@(44),%d1
40851f08: 3001 movew %d1,%d0
40851f0a: 0240 000f andiw #15,%d0
40851f0e: 0c40 0001 cmpiw #1,%d0
40851f12: 6766 beqs 40851f7a <RomDrvPrime+0xa8>
40851f14: 0c40 0003 cmpiw #3,%d0
40851f18: 6766 beqs 40851f80 <RomDrvPrime+0xae>
40851f1a: 4a40 tstw %d0
40851f1c: 6756 beqs 40851f74 <RomDrvPrime+0xa2>
40851f1e: 302a 0006 movew %a2@(6),%d0
40851f22: 0240 00ff andiw #255,%d0
40851f26: 0c40 0002 cmpiw #2,%d0
40851f2a: 6760 beqs 40851f8c <RomDrvPrime+0xba>
40851f2c: 0c40 0003 cmpiw #3,%d0
40851f30: 6600 0116 bnew 40852048 <RomDrvPrime+0x176>
40851f34: 4a2b 0002 tstb %a3@(2)
40851f38: 6600 0114 bnew 4085204e <RomDrvPrime+0x17c>
40851f3c: 4a2b 0030 tstb %a3@(48)
40851f40: 6600 00d4 bnew 40852016 <RomDrvPrime+0x144>
40851f44: 202a 0024 movel %a2@(36),%d0
40851f48: 226b 002a moveal %a3@(42),%a1
40851f4c: d3ce addal %fp,%a1
40851f4e: 206a 0020 moveal %a2@(32),%a0
40851f52: a22e .short 0xa22e
40851f54: 202a 0024 movel %a2@(36),%d0
40851f58: 2540 0028 movel %d0,%a2@(40)
40851f5c: d08e addl %fp,%d0
40851f5e: 2940 0010 movel %d0,%a4@(16)
40851f62: 202c 0010 movel %a4@(16),%d0
40851f66: 2540 002e movel %d0,%a2@(46)
40851f6a: 4243 clrw %d3
40851f6c: 3003 movew %d3,%d0
40851f6e: 4cdf 5c38 moveml %sp@+,%d3-%d5/%a2-%a4/%fp
40851f72: 4e75 rts
40851f74: 2c6c 0010 moveal %a4@(16),%fp
40851f78: 60a4 bras 40851f1e <RomDrvPrime+0x4c>
40851f7a: 2c6a 002e moveal %a2@(46),%fp
40851f7e: 609e bras 40851f1e <RomDrvPrime+0x4c>
40851f80: 202c 0010 movel %a4@(16),%d0
40851f84: 2c40 moveal %d0,%fp
40851f86: ddea 002e addal %a2@(46),%fp
40851f8a: 6092 bras 40851f1e <RomDrvPrime+0x4c>
40851f8c: 3601 movew %d1,%d3
40851f8e: 0243 0040 andiw #64,%d3
40851f92: 0801 0006 btst #6,%d1
40851f96: 6600 00aa bnew 40852042 <RomDrvPrime+0x170>
40851f9a: 282a 0024 movel %a2@(36),%d4
40851f9e: 4a2b 0002 tstb %a3@(2)
40851fa2: 663c bnes 40851fe0 <RomDrvPrime+0x10e>
40851fa4: 4aab 0022 tstl %a3@(34)
40851fa8: 6736 beqs 40851fe0 <RomDrvPrime+0x10e>
40851faa: 4a2b 0030 tstb %a3@(48)
40851fae: 6610 bnes 40851fc0 <RomDrvPrime+0xee>
40851fb0: 2004 movel %d4,%d0
40851fb2: 226a 0020 moveal %a2@(32),%a1
40851fb6: 206b 002a moveal %a3@(42),%a0
40851fba: d1ce addal %fp,%a0
40851fbc: a22e .short 0xa22e
40851fbe: 603e bras 40851ffe <RomDrvPrime+0x12c>
40851fc0: 2a2b 0026 movel %a3@(38),%d5
40851fc4: 202a 0020 movel %a2@(32),%d0
40851fc8: a055 .short 0xa055
40851fca: 2f04 movel %d4,%sp@-
40851fcc: 2f00 movel %d0,%sp@-
40851fce: 202b 002a movel %a3@(42),%d0
40851fd2: d08e addl %fp,%d0
40851fd4: 2f00 movel %d0,%sp@-
40851fd6: 2045 moveal %d5,%a0
40851fd8: 4e90 jsr %a0@
40851fda: 4fef 000c lea %sp@(12),%sp
40851fde: 601e bras 40851ffe <RomDrvPrime+0x12c>
40851fe0: 2a2b 0026 movel %a3@(38),%d5
40851fe4: 202a 0020 movel %a2@(32),%d0
40851fe8: a055 .short 0xa055
40851fea: 2f04 movel %d4,%sp@-
40851fec: 2f00 movel %d0,%sp@-
40851fee: 202b 002a movel %a3@(42),%d0
40851ff2: d08e addl %fp,%d0
40851ff4: 2f00 movel %d0,%sp@-
40851ff6: 2045 moveal %d5,%a0
40851ff8: 4e90 jsr %a0@
40851ffa: 4fef 000c lea %sp@(12),%sp
40851ffe: 2544 0028 movel %d4,%a2@(40)
40852002: 200e movel %fp,%d0
40852004: d084 addl %d4,%d0
40852006: 2940 0010 movel %d0,%a4@(16)
4085200a: 202c 0010 movel %a4@(16),%d0
4085200e: 2540 002e movel %d0,%a2@(46)
40852012: 6000 ff58 braw 40851f6c <RomDrvPrime+0x9a>
40852016: 262b 0026 movel %a3@(38),%d3
4085201a: 282a 0024 movel %a2@(36),%d4
4085201e: 266b 002a moveal %a3@(42),%a3
40852022: d7ce addal %fp,%a3
40852024: 202a 0020 movel %a2@(32),%d0
40852028: a055 .short 0xa055
4085202a: 2f04 movel %d4,%sp@-
4085202c: 2f0b movel %a3,%sp@-
4085202e: 2f00 movel %d0,%sp@-
40852030: 2043 moveal %d3,%a0
40852032: 4e90 jsr %a0@
40852034: 4fef 000c lea %sp@(12),%sp
40852038: 6000 ff1a braw 40851f54 <RomDrvPrime+0x82>
4085203c: 76bf moveq #-65,%d3
4085203e: 6000 ff2c braw 40851f6c <RomDrvPrime+0x9a>
40852042: 4243 clrw %d3
40852044: 6000 ff26 braw 40851f6c <RomDrvPrime+0x9a>
40852048: 76d4 moveq #-44,%d3
4085204a: 6000 ff20 braw 40851f6c <RomDrvPrime+0x9a>
4085204e: 76d4 moveq #-44,%d3
40852050: 6000 ff1a braw 40851f6c <RomDrvPrime+0x9a>
40852054: 4e75 rts
40852056: 8b52 orw %d5,%a2@
40852058: 6f6d bles 408520c7 <RDiskControl+0x19>
4085205a: 4472 7650 negw %a2@(0000000000000050,%d7:w:8)
4085205e: 7269 moveq #105,%d1
40852060: 6d65 blts 408520c7 <RDiskControl+0x19>
...
40852064 <RomDrvClose>:
40852064: 2f0b movel %a3,%sp@-
40852066: 2f0a movel %a2,%sp@-
40852068: 2449 moveal %a1,%a2
4085206a: 2069 0014 moveal %a1@(20),%a0
4085206e: b0fc 0000 cmpaw #0,%a0
40852072: 6724 beqs 40852098 <RomDrvClose+0x34>
40852074: 2650 moveal %a0@,%a3
40852076: 206b 0022 moveal %a3@(34),%a0
4085207a: b0fc 0000 cmpaw #0,%a0
4085207e: 6702 beqs 40852082 <RomDrvClose+0x1e>
40852080: a01f .short 0xa01f
40852082: 206b 001e moveal %a3@(30),%a0
40852086: a01f .short 0xa01f
40852088: 206a 0014 moveal %a2@(20),%a0
4085208c: a02a .short 0xa02a
4085208e: 206a 0014 moveal %a2@(20),%a0
40852092: a023 .short 0xa023
40852094: 42aa 0014 clrl %a2@(20)
40852098: 4240 clrw %d0
4085209a: 245f moveal %sp@+,%a2
4085209c: 265f moveal %sp@+,%a3
4085209e: 4e75 rts
408520a0: 8b52 orw %d5,%a2@
408520a2: 6f6d bles 40852111 <RDiskControl+0x63>
408520a4: 4472 7643 negw %a2@(0000000000000043,%d7:w:8)
408520a8: 6c6f bges 40852119 <RDiskControl+0x6b>
408520aa: 7365 .short 0x7365
...
408520ae <RDiskControl>:
408520ae: 2f0b movel %a3,%sp@-
408520b0: 2f0a movel %a2,%sp@-
408520b2: 2449 moveal %a1,%a2
408520b4: 0c68 0041 001a cmpiw #65,%a0@(26)
408520ba: 6600 00a0 bnew 4085215c <RDiskControl+0xae>
408520be: 2069 0014 moveal %a1@(20),%a0
408520c2: b0fc 0000 cmpaw #0,%a0
408520c6: 6700 0098 beqw 40852160 <RDiskControl+0xb2>
408520ca: 2650 moveal %a0@,%a3
408520cc: 4a2b 002f tstb %a3@(47)
408520d0: 6706 beqs 408520d8 <RDiskControl+0x2a>
408520d2: 4aab 0022 tstl %a3@(34)
408520d6: 6718 beqs 408520f0 <RDiskControl+0x42>
408520d8: 426a 0022 clrw %a2@(34)
408520dc: 302a 0004 movew %a2@(4),%d0
408520e0: 0240 dfff andiw #-8193,%d0
408520e4: 3540 0004 movew %d0,%a2@(4)
408520e8: 4240 clrw %d0
408520ea: 245f moveal %sp@+,%a2
408520ec: 265f moveal %sp@+,%a3
408520ee: 4e75 rts
408520f0: 4a38 0cb2 tstb cb2 <BBraunROMDisk-0x408510be>
408520f4: 6730 beqs 40852126 <RDiskControl+0x78>
408520f6: 7018 moveq #24,%d0
408520f8: 4840 swap %d0
408520fa: a51e .short 0xa51e
408520fc: 2008 movel %a0,%d0
408520fe: 2748 0022 movel %a0,%a3@(34)
40852102: 4a80 tstl %d0
40852104: 67d2 beqs 408520d8 <RDiskControl+0x2a>
40852106: a055 .short 0xa055
40852108: 2740 002a movel %d0,%a3@(42)
4085210c: 2f3c 0018 0000 movel #1572864,%sp@-
40852112: 2f00 movel %d0,%sp@-
40852114: 2f3c 4088 0000 movel #1082654720,%sp@-
4085211a: 206b 0026 moveal %a3@(38),%a0
4085211e: 4e90 jsr %a0@
40852120: 4fef 000c lea %sp@(12),%sp
40852124: 60b2 bras 408520d8 <RDiskControl+0x2a>
40852126: 177c 0001 0030 moveb #1,%a3@(48)
4085212c: 7001 moveq #1,%d0
4085212e: a51e .short 0xa51e
40852130: 2748 0022 movel %a0,%a3@(34)
40852134: 277c 0080 0000 movel #8388608,%a3@(42)
4085213a: 002a
4085213c: 2f3c 0018 0000 movel #1572864,%sp@-
40852142: 2f3c 0080 0000 movel #8388608,%sp@-
40852148: 2f3c 4088 0000 movel #1082654720,%sp@-
4085214e: 206b 0026 moveal %a3@(38),%a0
40852152: 4e90 jsr %a0@
40852154: 4fef 000c lea %sp@(12),%sp
40852158: 6000 ff7e braw 408520d8 <RDiskControl+0x2a>
4085215c: 70ef moveq #-17,%d0
4085215e: 608a bras 408520ea <RDiskControl+0x3c>
40852160: 4240 clrw %d0
40852162: 6086 bras 408520ea <RDiskControl+0x3c>
40852164: 4e75 rts
40852166: 8c52 orw %a2@,%d6
40852168: 4469 736b negw %a1@(29547)
4085216c: 436f .short 0x436f
4085216e: 6e74 bgts 408521e4 <RDiskStatus+0x6e>
40852170: 726f moveq #111,%d1
40852172: 6c00 0000 bgew 40852174 <RDiskControl+0xc6>
40852176 <RDiskStatus>:
40852176: 2f0a movel %a2,%sp@-
40852178: 2469 0014 moveal %a1@(20),%a2
4085217c: b4fc 0000 cmpaw #0,%a2
40852180: 6718 beqs 4085219a <RDiskStatus+0x24>
40852182: 0c68 0008 001a cmpiw #8,%a0@(26)
40852188: 6614 bnes 4085219e <RDiskStatus+0x28>
4085218a: 701e moveq #30,%d0
4085218c: 43e8 001c lea %a0@(28),%a1
40852190: 2052 moveal %a2@,%a0
40852192: a02e .short 0xa02e
40852194: 4240 clrw %d0
40852196: 245f moveal %sp@+,%a2
40852198: 4e75 rts
4085219a: 70ee moveq #-18,%d0
4085219c: 60f8 bras 40852196 <RDiskStatus+0x20>
4085219e: 70ee moveq #-18,%d0
408521a0: 60f4 bras 40852196 <RDiskStatus+0x20>
408521a2: 4e75 rts
408521a4: 8b52 orw %d5,%a2@
408521a6: 4469 736b negw %a1@(29547)
408521aa: 5374 6174 7573 subqw #1,%a4@(0000000075730000)@(0000000000000000)
408521b0: 0000
obj/rdisk_rel.sym
-20
View File
@@ -1,20 +0,0 @@
obj/rdisk.o: file format elf32-m68k
SYMBOL TABLE:
00000000 l df *ABS* 00000000 rdisk.c
00000000 l d .text 00000000 .text
00000000 l d .data 00000000 .data
00000000 l d .bss 00000000 .bss
00000000 l d .comment 00000000 .comment
00000000 g F .text 00000032 GWROMDisk
0000003e g F .text 00000014 RDiskAddDrive
00000062 g F .text 0000002e RDiskCopy24
0000009e g F .text 000000b0 RDiskOpen
0000015c g F .text 0000001e RDiskInit
00000186 g F .text 000000ea RDiskPrime
00000280 g F .text 00000004 RDiskControl
00000294 g F .text 0000002c RDiskStatus
000002d0 g F .text 00000032 RDiskClose
obj/rdisk_reloc.o
BIN
View File
Binary file not shown.
obj/rdisk_reloc.s
-272
View File
@@ -1,272 +0,0 @@
obj/rdisk_reloc.o: file format elf32-m68k
Disassembly of section .text:
40851d70 <GWROMDisk>:
...
40851da0: 4e75 rts
40851da2: 8947 .short 0x8947
40851da4: 5752 subqw #3,%a2@
40851da6: 4f4d .short 0x4f4d
40851da8: 4469 736b negw %a1@(29547)
...
40851dae <RDiskAddDrive>:
40851dae: 4280 clrl %d0
40851db0: 302f 0006 movew %sp@(6),%d0
40851db4: 4840 swap %d0
40851db6: 302f 0004 movew %sp@(4),%d0
40851dba: 206f 0008 moveal %sp@(8),%a0
40851dbe: a04e .short 0xa04e
40851dc0: 4e75 rts
40851dc2: 8d52 orw %d6,%a2@
40851dc4: 4469 736b negw %a1@(29547)
40851dc8: 4164 .short 0x4164
40851dca: 6444 bccs 40851e10 <RDiskOpen+0x2>
40851dcc: 7269 moveq #105,%d1
40851dce: 7665 moveq #101,%d3
...
40851dd2 <RDiskCopy24>:
40851dd2: 598f subql #4,%sp
40851dd4: 1f7c 0001 0003 moveb #1,%sp@(3)
40851dda: 41ef 0003 lea %sp@(3),%a0
40851dde: 1010 moveb %a0@,%d0
40851de0: a05d .short 0xa05d
40851de2: 1080 moveb %d0,%a0@
40851de4: 202f 0010 movel %sp@(16),%d0
40851de8: 226f 000c moveal %sp@(12),%a1
40851dec: 206f 0008 moveal %sp@(8),%a0
40851df0: a02e .short 0xa02e
40851df2: 41ef 0003 lea %sp@(3),%a0
40851df6: 1010 moveb %a0@,%d0
40851df8: a05d .short 0xa05d
40851dfa: 1080 moveb %d0,%a0@
40851dfc: 588f addql #4,%sp
40851dfe: 4e75 rts
40851e00: 8b52 orw %d5,%a2@
40851e02: 4469 736b negw %a1@(29547)
40851e06: 436f .short 0x436f
40851e08: 7079 moveq #121,%d0
40851e0a: 3234 0000 movew %a4@(0000000000000000,%d0:w),%d1
40851e0e <RDiskOpen>:
40851e0e: 48e7 1030 moveml %d3/%a2-%a3,%sp@-
40851e12: 2649 moveal %a1,%a3
40851e14: 4aa9 0014 tstl %a1@(20)
40851e18: 6708 beqs 40851e22 <RDiskOpen+0x14>
40851e1a: 4240 clrw %d0
40851e1c: 4cdf 0c08 moveml %sp@+,%d3/%a2-%a3
40851e20: 4e75 rts
40851e22: 203c 4085 1d70 movel #1082465648,%d0
40851e28: a055 .short 0xa055
40851e2a: 598f subql #4,%sp
40851e2c: 2ebc 0000 0308 movel #776,%sp@
40851e32: 2057 moveal %sp@,%a0
40851e34: 588f addql #4,%sp
40851e36: 2068 0002 moveal %a0@(2),%a0
40851e3a: b0fc 0000 cmpaw #0,%a0
40851e3e: 671a beqs 40851e5a <RDiskOpen+0x4c>
40851e40: 7601 moveq #1,%d3
40851e42: 6008 bras 40851e4c <RDiskOpen+0x3e>
40851e44: 2050 moveal %a0@,%a0
40851e46: b0fc 0000 cmpaw #0,%a0
40851e4a: 6710 beqs 40851e5c <RDiskOpen+0x4e>
40851e4c: 3468 0006 moveaw %a0@(6),%a2
40851e50: b68a cmpl %a2,%d3
40851e52: 6ef0 bgts 40851e44 <RDiskOpen+0x36>
40851e54: 260a movel %a2,%d3
40851e56: 5283 addql #1,%d3
40851e58: 60ea bras 40851e44 <RDiskOpen+0x36>
40851e5a: 7601 moveq #1,%d3
40851e5c: 702a moveq #42,%d0
40851e5e: a722 .short 0xa722
40851e60: 2748 0014 movel %a0,%a3@(20)
40851e64: 6752 beqs 40851eb8 <RDiskOpen+0xaa>
40851e66: a029 .short 0xa029
40851e68: 206b 0014 moveal %a3@(20),%a0
40851e6c: 2050 moveal %a0@,%a0
40851e6e: 4228 001e clrb %a0@(30)
40851e72: 42a8 0020 clrl %a0@(32)
40851e76: 42a8 0024 clrl %a0@(36)
40851e7a: 4228 0028 clrb %a0@(40)
40851e7e: 91c8 subal %a0,%a0
40851e80: 117c fff0 0002 moveb #-16,%a0@(2)
40851e86: 117c 0008 0003 moveb #8,%a0@(3)
40851e8c: 3143 000c movew %d3,%a0@(12)
40851e90: 302b 0018 movew %a3@(24),%d0
40851e94: 3140 000e movew %d0,%a0@(14)
40851e98: 317c 0c00 0012 movew #3072,%a0@(18)
40851e9e: 4268 0014 clrw %a0@(20)
40851ea2: 4878 0006 pea 6 <GWROMDisk-0x40851d6a>
40851ea6: 3f03 movew %d3,%sp@-
40851ea8: 3f00 movew %d0,%sp@-
40851eaa: 4eb9 4085 1dae jsr 40851dae <RDiskAddDrive>
40851eb0: 508f addql #8,%sp
40851eb2: 4240 clrw %d0
40851eb4: 6000 ff66 braw 40851e1c <RDiskOpen+0xe>
40851eb8: 70e9 moveq #-23,%d0
40851eba: 6000 ff60 braw 40851e1c <RDiskOpen+0xe>
40851ebe: 4e75 rts
40851ec0: 8952 orw %d4,%a2@
40851ec2: 4469 736b negw %a1@(29547)
40851ec6: 4f70 .short 0x4f70
40851ec8: 656e bcss 40851f38 <RDiskPrime+0x42>
...
40851ecc <RDiskInit>:
40851ecc: 206f 000c moveal %sp@(12),%a0
40851ed0: 117c 0001 001e moveb #1,%a0@(30)
40851ed6: 50e8 0002 st %a0@(2)
40851eda: 42a8 0020 clrl %a0@(32)
40851ede: 42a8 0024 clrl %a0@(36)
40851ee2: 4228 0028 clrb %a0@(40)
40851ee6: 4240 clrw %d0
40851ee8: 4e75 rts
40851eea: 8952 orw %d4,%a2@
40851eec: 4469 736b negw %a1@(29547)
40851ef0: 496e .short 0x496e
40851ef2: 6974 bvss 40851f68 <RDiskPrime+0x72>
...
40851ef6 <RDiskPrime>:
40851ef6: 48e7 1c30 moveml %d3-%d5/%a2-%a3,%sp@-
40851efa: 2448 moveal %a0,%a2
40851efc: 2649 moveal %a1,%a3
40851efe: 2069 0014 moveal %a1@(20),%a0
40851f02: b0fc 0000 cmpaw #0,%a0
40851f06: 6700 00c6 beqw 40851fce <RDiskPrime+0xd8>
40851f0a: 2050 moveal %a0@,%a0
40851f0c: 4a28 001e tstb %a0@(30)
40851f10: 6738 beqs 40851f4a <RDiskPrime+0x54>
40851f12: 322a 002c movew %a2@(44),%d1
40851f16: 3001 movew %d1,%d0
40851f18: 0240 000f andiw #15,%d0
40851f1c: 0c40 0001 cmpiw #1,%d0
40851f20: 6746 beqs 40851f68 <RDiskPrime+0x72>
40851f22: 0c40 0003 cmpiw #3,%d0
40851f26: 6746 beqs 40851f6e <RDiskPrime+0x78>
40851f28: 4a40 tstw %d0
40851f2a: 6736 beqs 40851f62 <RDiskPrime+0x6c>
40851f2c: 7800 moveq #0,%d4
40851f2e: 102a 0007 moveb %a2@(7),%d0
40851f32: 0c00 0002 cmpib #2,%d0
40851f36: 6740 beqs 40851f78 <RDiskPrime+0x82>
40851f38: 0c00 0003 cmpib #3,%d0
40851f3c: 6700 009c beqw 40851fda <RDiskPrime+0xe4>
40851f40: 4243 clrw %d3
40851f42: 3003 movew %d3,%d0
40851f44: 4cdf 0c38 moveml %sp@+,%d3-%d5/%a2-%a3
40851f48: 4e75 rts
40851f4a: 117c 0001 001e moveb #1,%a0@(30)
40851f50: 50e8 0002 st %a0@(2)
40851f54: 42a8 0020 clrl %a0@(32)
40851f58: 42a8 0024 clrl %a0@(36)
40851f5c: 4228 0028 clrb %a0@(40)
40851f60: 60b0 bras 40851f12 <RDiskPrime+0x1c>
40851f62: 282b 0010 movel %a3@(16),%d4
40851f66: 60c6 bras 40851f2e <RDiskPrime+0x38>
40851f68: 282a 002e movel %a2@(46),%d4
40851f6c: 60c0 bras 40851f2e <RDiskPrime+0x38>
40851f6e: 282b 0010 movel %a3@(16),%d4
40851f72: d8aa 002e addl %a2@(46),%d4
40851f76: 60b6 bras 40851f2e <RDiskPrime+0x38>
40851f78: 3601 movew %d1,%d3
40851f7a: 0243 0040 andiw #64,%d3
40851f7e: 0801 0006 btst #6,%d1
40851f82: 6650 bnes 40851fd4 <RDiskPrime+0xde>
40851f84: 2a04 movel %d4,%d5
40851f86: 0685 4088 0000 addil #1082654720,%d5
40851f8c: 4a38 0cb2 tstb cb2 <GWROMDisk-0x408510be>
40851f90: 6720 beqs 40851fb2 <RDiskPrime+0xbc>
40851f92: 202a 0024 movel %a2@(36),%d0
40851f96: 226a 0020 moveal %a2@(32),%a1
40851f9a: 2045 moveal %d5,%a0
40851f9c: a02e .short 0xa02e
40851f9e: 202a 0024 movel %a2@(36),%d0
40851fa2: 2540 0028 movel %d0,%a2@(40)
40851fa6: d880 addl %d0,%d4
40851fa8: 2744 0010 movel %d4,%a3@(16)
40851fac: 2544 002e movel %d4,%a2@(46)
40851fb0: 6090 bras 40851f42 <RDiskPrime+0x4c>
40851fb2: 202a 0020 movel %a2@(32),%d0
40851fb6: a055 .short 0xa055
40851fb8: a091 .short 0xa091
40851fba: 2f2a 0024 movel %a2@(36),%sp@-
40851fbe: 2f00 movel %d0,%sp@-
40851fc0: 2f05 movel %d5,%sp@-
40851fc2: 4eb9 4085 1dd2 jsr 40851dd2 <RDiskCopy24>
40851fc8: 4fef 000c lea %sp@(12),%sp
40851fcc: 60d0 bras 40851f9e <RDiskPrime+0xa8>
40851fce: 76bf moveq #-65,%d3
40851fd0: 6000 ff70 braw 40851f42 <RDiskPrime+0x4c>
40851fd4: 4243 clrw %d3
40851fd6: 6000 ff6a braw 40851f42 <RDiskPrime+0x4c>
40851fda: 76d4 moveq #-44,%d3
40851fdc: 6000 ff64 braw 40851f42 <RDiskPrime+0x4c>
40851fe0: 4e75 rts
40851fe2: 8a52 orw %a2@,%d5
40851fe4: 4469 736b negw %a1@(29547)
40851fe8: 5072 696d 6500 addqw #8,%a2@(0000000000006500)@(0000000000000000)
...
40851ff0 <RDiskControl>:
40851ff0: 70ef moveq #-17,%d0
40851ff2: 4e75 rts
40851ff4: 8c52 orw %a2@,%d6
40851ff6: 4469 736b negw %a1@(29547)
40851ffa: 436f .short 0x436f
40851ffc: 6e74 bgts 40852072 <RDiskClose+0x32>
40851ffe: 726f moveq #111,%d1
40852000: 6c00 0000 bgew 40852002 <RDiskControl+0x12>
40852004 <RDiskStatus>:
40852004: 2f0a movel %a2,%sp@-
40852006: 2469 0014 moveal %a1@(20),%a2
4085200a: b4fc 0000 cmpaw #0,%a2
4085200e: 6718 beqs 40852028 <RDiskStatus+0x24>
40852010: 0c68 0008 001a cmpiw #8,%a0@(26)
40852016: 6614 bnes 4085202c <RDiskStatus+0x28>
40852018: 701e moveq #30,%d0
4085201a: 43e8 001c lea %a0@(28),%a1
4085201e: 2052 moveal %a2@,%a0
40852020: a02e .short 0xa02e
40852022: 4240 clrw %d0
40852024: 245f moveal %sp@+,%a2
40852026: 4e75 rts
40852028: 70ee moveq #-18,%d0
4085202a: 60f8 bras 40852024 <RDiskStatus+0x20>
4085202c: 70ee moveq #-18,%d0
4085202e: 60f4 bras 40852024 <RDiskStatus+0x20>
40852030: 4e75 rts
40852032: 8b52 orw %d5,%a2@
40852034: 4469 736b negw %a1@(29547)
40852038: 5374 6174 7573 subqw #1,%a4@(0000000075730000)@(0000000000000000)
4085203e: 0000
40852040 <RDiskClose>:
40852040: 2f0a movel %a2,%sp@-
40852042: 2449 moveal %a1,%a2
40852044: 2069 0014 moveal %a1@(20),%a0
40852048: b0fc 0000 cmpaw #0,%a0
4085204c: 671a beqs 40852068 <RDiskClose+0x28>
4085204e: 2050 moveal %a0@,%a0
40852050: 2068 0024 moveal %a0@(36),%a0
40852054: b0fc 0000 cmpaw #0,%a0
40852058: 6702 beqs 4085205c <RDiskClose+0x1c>
4085205a: a01f .short 0xa01f
4085205c: 206a 0014 moveal %a2@(20),%a0
40852060: a02a .short 0xa02a
40852062: 206a 0014 moveal %a2@(20),%a0
40852066: a023 .short 0xa023
40852068: 42aa 0014 clrl %a2@(20)
4085206c: 4240 clrw %d0
4085206e: 245f moveal %sp@+,%a2
40852070: 4e75 rts
40852072: 8a52 orw %a2@,%d5
40852074: 4469 736b negw %a1@(29547)
40852078: 436c .short 0x436c
4085207a: 6f73 bles 408520ef <RDiskClose+0xaf>
4085207c: 6500 0000 bcsw 4085207e <RDiskClose+0x3e>
rdisk.c
+44 -76
View File
@@ -6,34 +6,7 @@
#include <Events.h>
#include <OSUtils.h>
#include "rdtraps.h"
// This function is here just to put padding at the
// beginning of the output file
void GWROMDisk() {
__asm__ __volatile__
(
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t":::);
}
#define RDiskSize (0x00180000L)
#define RDiskBuf ((char*)0x40880000)
#define BufPtr ((Ptr*)0x10C)
#define MemTop ((Ptr*)0x108)
#define MMU32bit ((char*)0x0CB2)
typedef void (*ROMDiskCopy_t)(char *, char *, unsigned long);
#include "rdisk.h"
// Switch to 24-bit mode and copy. Call this with
// PC==0x408XXXXX, not PC==0x008XXXXX
@@ -46,7 +19,7 @@ void RDiskCopy24(char *sourcePtr, char *destPtr, unsigned long byteCount) {
typedef struct RDiskStorage_s {
DrvSts2 drvsts;
char init_done;
unsigned long init_done;
char *ramdisk;
Ptr ramdisk_alloc;
char ramdisk_valid;
@@ -62,10 +35,6 @@ OSErr RDiskOpen(IOParamPtr p, DCtlPtr d) {
// Do nothing if already opened
if (d->dCtlStorage) { return noErr; }
// Reference GWROMDisk() just so it ends up
// at the beginning of the output file
StripAddress(&GWROMDisk);
// Figure out first available drive number
drvNum = 1;
for (dq = (DrvQElPtr)(GetDrvQHdr())->qHead; dq; dq = (DrvQElPtr)dq->qLink) {
@@ -87,6 +56,7 @@ OSErr RDiskOpen(IOParamPtr p, DCtlPtr d) {
c->ramdisk_valid = 0;
// Set drive status
status = &c->drvsts;
status->writeProt = 0xF0;
status->diskInPlace = 0x08;
status->dQDrive = drvNum;
@@ -111,11 +81,11 @@ OSErr RDiskInit(IOParamPtr p, DCtlPtr d, RDiskStorage_t *c) {
c->init_done = 1;
// Read PRAM
/*RDiskReadXPRam(1, 4, &startup);
RDiskReadXPRam(1, 5, &ram);*/
RDiskReadXPRAM(1, 4, &startup);
RDiskReadXPRAM(1, 5, &ram);
// Either enable ROM disk or remove ourselves from the drive queue
/*if (startup || RDiskIsRPressed()) { // If ROM disk boot set in PRAM or R pressed,*/
if (startup || RDiskIsRPressed()) { // If ROM disk boot set in PRAM or R pressed,*/
// Set ROM disk attributes
c->drvsts.writeProt = -1; // Set write protected
// Clear disk fields (even though we used NewHandleSysClear)
@@ -143,9 +113,9 @@ OSErr RDiskInit(IOParamPtr p, DCtlPtr d, RDiskStorage_t *c) {
d->dCtlDelay = 0x10;
}*/
return noErr;
/*} else { // Otherwise if R not held down and ROM boot not set in PRAM,
} else { // Otherwise if R not held down and ROM boot not set in PRAM,
// Remove our driver from the drive queue
DrvQElPtr dq;
/*DrvQElPtr dq;
QHdrPtr QHead = (QHdrPtr)0x308;
// Loop through entire drive queue, searching for our device or stopping at the end.
@@ -162,8 +132,8 @@ OSErr RDiskInit(IOParamPtr p, DCtlPtr d, RDiskStorage_t *c) {
d->dCtlStorage = NULL;
// Return disk offline error
return offLinErr;
}*/
return offLinErr;*/
}
}
#pragma parameter __D0 RDiskPrime(__A0, __A1)
@@ -171,8 +141,8 @@ OSErr RDiskPrime(IOParamPtr p, DCtlPtr d) {
RDiskStorage_t *c;
char cmd;
char *disk;
unsigned long offset;
ROMDiskCopy_t copy24 = RDiskCopy24;
long offset;
RDiskCopy_t copy24 = &RDiskCopy24;
// Return disk offline error if dCtlStorage null
if (!d->dCtlStorage) { return offLinErr; }
@@ -190,40 +160,38 @@ OSErr RDiskPrime(IOParamPtr p, DCtlPtr d) {
// Add offset to buffer pointer according to positioning mode
switch (p->ioPosMode & 0x000F) {
case fsAtMark: offset = d->dCtlPosition; break;
case fsFromStart:
offset = p->ioPosOffset;
//if (offset < 0) { return posErr; }
break;
case fsFromStart: offset = p->ioPosOffset; break;
case fsFromMark: offset = d->dCtlPosition + p->ioPosOffset; break;
default: offset = 0; break; //FIXME: Error if unsupported ioPosMode?
default: break;
}
disk += offset;
// Bounds checking
/*if (offset >= RDiskSize || p->ioReqCount >= RDiskSize ||
if (offset >= RDiskSize || p->ioReqCount >= RDiskSize ||
offset + p->ioReqCount >= RDiskSize ||
disk + offset < disk) { return posErr; }*/
disk + offset < disk) { return posErr; }
// Service read or write request
cmd = p->ioTrap & 0x00FF;
if (cmd == aRdCmd) { // Read
// Return immediately if verify operation requested
//FIXME: follow either old (verify) or new (read uncached) convention
if (p->ioPosMode & rdVerifyMask) {
/*if (p->ioPosMode & rdVerifyMask) {
return noErr;
}
}*/
// Read from disk into buffer.
if (*MMU32bit) { BlockMove(disk, (char*)p->ioBuffer, p->ioReqCount); }
if (*MMU32bit) { BlockMove(disk, p->ioBuffer, p->ioReqCount); }
else { // 24-bit addressing
char *buffer = (char*)Translate24To32(StripAddress(p->ioBuffer));
copy24(disk, buffer, p->ioReqCount);
}
// Update count
p->ioActCount = p->ioReqCount;
p->ioPosOffset = d->dCtlPosition = offset + p->ioReqCount;
d->dCtlPosition = offset + p->ioReqCount;
p->ioPosOffset = d->dCtlPosition;
return noErr;
} else if (cmd == aWrCmd) { // Write
return wPrErr;
/*// Fail if write protected or RAM disk buffer not set up
// Fail if write protected or RAM disk buffer not set up
if (c->drvsts.writeProt || !c->ramdisk || !c->ramdisk_valid) { return wPrErr; }
// Write from buffer into disk.
if (*MMU32bit) { BlockMove((char*)p->ioBuffer, disk, p->ioReqCount); }
@@ -233,13 +201,14 @@ OSErr RDiskPrime(IOParamPtr p, DCtlPtr d) {
}
// Update count and position/offset
p->ioActCount = p->ioReqCount;
p->ioPosOffset = d->dCtlPosition = offset + p->ioReqCount;
return noErr;*/
d->dCtlPosition = offset + p->ioReqCount;
p->ioPosOffset = d->dCtlPosition;
return noErr;
} else { return noErr; }
//FIXME: Should we fail if cmd isn't read or write?
}
/*OSErr RDiskAccRun(IOParamPtr p, DCtlPtr d, RDiskStorage_t *c) {
OSErr RDiskAccRun(CntrlParamPtr p, DCtlPtr d, RDiskStorage_t *c) {
// Disable accRun
d->dCtlDelay = 0;
d->dCtlFlags &= ~dNeedTimeMask;
@@ -269,7 +238,7 @@ OSErr RDiskPrime(IOParamPtr p, DCtlPtr d) {
// Mark write protected if we couldn't allocate RAM buffer?
c->drvsts.writeProt = -1;
} else if (c->ramdisk && !c->ramdisk_valid) { // Else if buffer exists but is not valid,
ROMDiskCopy_t copy24 = RDiskCopy24;
RDiskCopy_t copy24 = RDiskCopy24;
// Copy ROM disk to RAM disk buffer if not yet copied
if (*MMU32bit) { BlockMove(RDiskBuf, c->ramdisk, RDiskSize); }
else { copy24(RDiskBuf, c->ramdisk, RDiskSize); }
@@ -277,32 +246,32 @@ OSErr RDiskPrime(IOParamPtr p, DCtlPtr d) {
}
return noErr; // Always return success
}*/
}
#pragma parameter __D0 RDiskControl(__A0, __A1)
OSErr RDiskControl(IOParamPtr p, DCtlPtr d) {
OSErr RDiskControl(CntrlParamPtr p, DCtlPtr d) {
RDiskStorage_t *c;
// Fail if dCtlStorage null
if (!d->dCtlStorage) { return controlErr; }
// Dereference dCtlStorage to get pointer to our context
c = *(RDiskStorage_t**)d->dCtlStorage;
// Handle control request based on csCode
switch (((CntrlParamPtr)p)->csCode) {
/*case accRun:
switch (p->csCode) {
case accRun:
if (!d->dCtlStorage) { return noErr; }
return RDiskAccRun(p, d, c);*/
return RDiskAccRun(p, d, c);
default: return controlErr;
}
}
#pragma parameter __D0 RDiskStatus(__A0, __A1)
OSErr RDiskStatus(IOParamPtr p, DCtlPtr d) {
// Fail if dCtlStorage null or unsupported status call code
if (!d->dCtlStorage) { return statusErr; } //FIXME: Return offLinErr instead?
OSErr RDiskStatus(CntrlParamPtr p, DCtlPtr d) {
// Fail if dCtlStorage null
if (!d->dCtlStorage) { return statusErr; }
// Handle status request based on csCode
switch (((CntrlParamPtr)p)->csCode) {
switch (p->csCode) {
case drvStsCode:
BlockMove(*d->dCtlStorage, &((CntrlParamPtr)p)->csParam, sizeof(DrvSts2));
BlockMove(*d->dCtlStorage, &p->csParam, sizeof(DrvSts2));
return noErr;
default: return statusErr;
}
@@ -311,12 +280,11 @@ OSErr RDiskStatus(IOParamPtr p, DCtlPtr d) {
#pragma parameter __D0 RDiskClose(__A0, __A1)
OSErr RDiskClose(IOParamPtr p, DCtlPtr d) {
// If dCtlStorage not null, dispose of it and its contents
if (d->dCtlStorage) {
RDiskStorage_t *c = *(RDiskStorage_t**)d->dCtlStorage;
if (c->ramdisk_alloc) { DisposePtr(c->ramdisk_alloc); }
HUnlock(d->dCtlStorage);
DisposeHandle(d->dCtlStorage);
}
if (!d->dCtlStorage) { return noErr; }
RDiskStorage_t *c = *(RDiskStorage_t**)d->dCtlStorage;
if (c->ramdisk_alloc) { DisposePtr(c->ramdisk_alloc); }
HUnlock(d->dCtlStorage);
DisposeHandle(d->dCtlStorage);
d->dCtlStorage = NULL;
return noErr;
}
rdtraps.h → rdisk.h
+21 -11
View File
@@ -1,6 +1,13 @@
#ifndef RDTRAPS_H
#define RDTRAPS_H
#define RDiskSize (0x00180000L)
#define RDiskBuf ((char*)0x40880000)
#define BufPtr ((Ptr*)0x10C)
#define MemTop ((Ptr*)0x108)
#define MMU32bit ((char*)0xCB2)
#define JIODone ((char*)0x8FC)
#pragma parameter __D0 RDReadXPRAM(__D0, __D1, __A0)
OSErr RDiskReadXPRAM(short numBytes, short whichByte, void *dest) = {0x4840, 0x3001, 0xA051};
@@ -9,20 +16,23 @@ OSErr RDiskReadXPRAM(short numBytes, short whichByte, void *dest) = {0x4840, 0x3
//OSErr RDiskAddDrive(short numBytes, short whichByte, void *dest) = {0x4840, 0x3001, 0xA04E};
OSErr RDiskAddDrive(short drvrRefNum, short drvNum, DrvQElPtr dq) {
__asm__ __volatile__
(
"clr.l %%D0 \n\t"
"move.w %1,%%D0 \n\t"
"swap %%D0 \n\t"
"move.w %0,%%D0 \n\t"
"movea.l %2,%%A0 \n\t"
".word 0xA04E \n\t"
: /* outputs */
: "g"(drvrRefNum), "g"(drvNum), "g"(dq) /* inputs */
: /* clobbered */);
__asm__ __volatile__ (
"clr.l %%D0 \n\t"
"move.w %1,%%D0 \n\t"
"swap %%D0 \n\t"
"move.w %0,%%D0 \n\t"
"movea.l %2,%%A0 \n\t"
".word 0xA04E \n\t"
: /* outputs */
: "g"(drvrRefNum), "g"(drvNum), "g"(dq) /* inputs */
: /* clobbered */);
}
inline char RDiskIsRPressed() { return *((char*)0x175) & 0x80; }
inline char RDiskIsAPressed() { return *((char*)0x174) & 0x01; }
void RDiskBreak() = { 0xA9FF };
typedef void (*RDiskCopy_t)(char *, char *, unsigned long);
#endif
rdisk_braun.c
-229
View File
@@ -1,229 +0,0 @@
#include <Memory.h>
#include <Devices.h>
#include <Files.h>
#include <Disks.h>
#include <Errors.h>
#include <Events.h>
#include <OSUtils.h>
#define NEED_DRVSTAT 1
#define NEED_ACCRUN 1
/* If NEED_ACCRUN is set, the dNeedTime (0x60) flag should be set in the header, and the
* delayticks field in the header should be set to something sensible.
*/
#define kRomDrvSize (0x00180000L)
#define kRomDrvLocation ((char*)0x40880000)
#define BufPtr ((Ptr*)0x10C)
#define MemTop ((Ptr*)0x108)
// This function is here just to put padding at the
// beginning of the output file
void BBraunROMDisk() {
__asm__ __volatile__
(
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t"
".long 0x00000000\n\t":::);
}
typedef void (*RomDrvCopyFunc)(unsigned char *, unsigned char *, unsigned long);
struct RomDrvContext {
DrvSts2 drvsts;
Ptr origcopyfunc;
Ptr origdisk; /* keep unstripped pointers for Dispose*/
RomDrvCopyFunc copyfunc;
unsigned char * disk;
char initialized;
char useram;
char ram24;
char alreadyalloced;
};
typedef struct RomDrvContext RomDrvContext;
OSErr RomDrvAddDrive(short drvrRefNum, short drvNum, DrvQElPtr dq) {
__asm__ __volatile__
(
"clr.l %%D0 \n\t"
"move.w %1,%%D0 \n\t"
"swap %%D0 \n\t"
"move.w %0,%%D0 \n\t"
"movea.l %2,%%A0 \n\t"
".word 0xA04E \n\t"
: /* outputs */
: "g"(drvrRefNum), "g"(drvNum), "g"(dq) /* inputs */
: /* clobbered */);
}
void RomDrvCopy(unsigned char *source, unsigned char *dest, unsigned long count) {
signed char mode = true32b;
SwapMMUMode(&mode);
BlockMove(source, dest, count);
SwapMMUMode(&mode);
}
#pragma parameter __D0 RomDrvOpen(__A0, __A1)
short RomDrvOpen(IOParamPtr p, DCtlPtr d) {
DrvSts2 *dsptr;
DrvQElPtr dq;
int drvnum = 1;
RomDrvContext *ctx;
// Reference BBraunROMDisk() just so it ends up
// at the beginning of the output file
StripAddress(&BBraunROMDisk);
for(dq = (DrvQElPtr)(GetDrvQHdr())->qHead; dq; dq = (DrvQElPtr)dq->qLink) {
if(dq->dQDrive >= drvnum) drvnum = dq->dQDrive+1;
}
d->dCtlStorage = NewHandleSysClear(sizeof(RomDrvContext));
HLock(d->dCtlStorage);
ctx = *(RomDrvContext**)d->dCtlStorage;
ctx->origcopyfunc = NewPtrSys(64);
if(!ctx->origcopyfunc) {
return openErr;
}
BlockMove(&RomDrvCopy, ctx->origcopyfunc, 64);
ctx->copyfunc = (RomDrvCopyFunc)StripAddress(ctx->origcopyfunc);
dsptr = &ctx->drvsts;
dsptr->writeProt = 0xF0;
dsptr->diskInPlace = 8;
dsptr->dQDrive = drvnum;
dsptr->dQRefNum = d->dCtlRefNum;
dsptr->driveSize = (kRomDrvSize/512L) & 0xFFFF;
dsptr->driveS1 = ((kRomDrvSize/512L) & 0xFFFF0000) >> 16;
RomDrvAddDrive(dsptr->dQRefNum, drvnum, (DrvQElPtr)&dsptr->qLink);
return noErr;
}
#pragma parameter __D0 RomDrvPrime(__A0, __A1)
short RomDrvPrime(IOParamPtr p, DCtlPtr d) {
long off;
RomDrvContext *ctx;
if(!d->dCtlStorage) return offLinErr;
ctx = *(RomDrvContext**)d->dCtlStorage;
if(!ctx->initialized) {
ctx->initialized = 1;
ctx->drvsts.writeProt = 0xFF;
ctx->origdisk = NULL;
ctx->disk = (unsigned char *)kRomDrvLocation;
}
switch(p->ioPosMode & 0x000F) {
case fsAtMark: off = d->dCtlPosition; break;
case fsFromStart: off = p->ioPosOffset; break;
case fsFromMark: off = d->dCtlPosition + p->ioPosOffset; break;
default: break;
}
if((p->ioTrap & 0x00ff) == aRdCmd) {
/* bit 6 indicates this should be a verify operation */
if(!(p->ioPosMode & 0x40)) {
unsigned long count = p->ioReqCount;
if(ctx->drvsts.writeProt == 0 && ctx->origdisk) {
// If the data is in RAM, we can access it in 24bit mode, and can
// avoid the overhead of the extra function call and 2 MMU switches.
if (!ctx->ram24) {
BlockMoveData(ctx->disk + off, p->ioBuffer, count);
} else {
ctx->copyfunc((unsigned char *)(ctx->disk + off), (unsigned char *)StripAddress(p->ioBuffer), count);
}
} else {
ctx->copyfunc((unsigned char *)(ctx->disk + off), (unsigned char*)StripAddress(p->ioBuffer), count);
}
p->ioActCount = count;
d->dCtlPosition = off + count;
p->ioPosOffset = d->dCtlPosition;
}
return noErr;
} else if(((p->ioTrap & 0x00ff) == aWrCmd) && (ctx->drvsts.writeProt == 0)) {
if (!ctx->ram24) {
BlockMoveData(p->ioBuffer, ctx->disk + off, p->ioReqCount);
} else {
ctx->copyfunc((unsigned char *)StripAddress(p->ioBuffer), (unsigned char *)(ctx->disk + off), p->ioReqCount);
}
p->ioActCount = p->ioReqCount;
d->dCtlPosition = off + p->ioReqCount;
p->ioPosOffset = d->dCtlPosition;
return noErr;
}
return wPrErr;
}
#pragma parameter __D0 RomDrvClose(__A0, __A1)
short RomDrvClose(IOParamPtr p, DCtlPtr d) {
RomDrvContext *ctx;
if(!d->dCtlStorage) return noErr;
ctx = *(RomDrvContext**)d->dCtlStorage;
if(ctx->origdisk) DisposePtr(ctx->origdisk);
DisposePtr(ctx->origcopyfunc);
HUnlock(d->dCtlStorage);
DisposeHandle(d->dCtlStorage);
d->dCtlStorage = NULL;
return noErr;
}
#pragma parameter __D0 RDiskControl(__A0, __A1)
OSErr RDiskControl(IOParamPtr p, DCtlPtr d) {
#if NEED_ACCRUN
if(((CntrlParamPtr)p)->csCode == accRun) {
RomDrvContext *ctx;
if(!d->dCtlStorage) return noErr;
ctx = *(RomDrvContext**)d->dCtlStorage;
if(ctx->useram && !ctx->origdisk) {
if (*((unsigned char *)0x0CB2)) { /* if we're already in 32-bit mode, allocate like this */
ctx->origdisk = NewPtrSys(kRomDrvSize);
if(ctx->origdisk) {
ctx->disk = (unsigned char *)StripAddress((Ptr)ctx->origdisk);
ctx->copyfunc((unsigned char *)kRomDrvLocation, ctx->disk, kRomDrvSize);
}
} else {
ctx->ram24 = 1;
ctx->origdisk = NewPtrSys(1); /* just a dummy pointer to make rest of code work */
ctx->disk = (unsigned char *)(8*1048576);
ctx->copyfunc((unsigned char *)kRomDrvLocation, ctx->disk, kRomDrvSize);
}
}
d->dCtlDelay = 0;
d->dCtlFlags &= ~dNeedTimeMask;
return noErr;
}
#endif
return controlErr;
}
#pragma parameter __D0 RDiskStatus(__A0, __A1)
OSErr RDiskStatus(IOParamPtr p, DCtlPtr d) {
#if NEED_DRVSTAT
if(!d->dCtlStorage) return statusErr;
if(((CntrlParamPtr)p)->csCode == drvStsCode) {
BlockMove(*d->dCtlStorage, &((CntrlParamPtr)p)->csParam, sizeof(DrvSts2));
return noErr;
}
#endif
return statusErr;
}