| 34 |
|
#include "prefs.h" |
| 35 |
|
#include "rom_patches.h" |
| 36 |
|
|
| 37 |
< |
#define DEBUG 0 |
| 37 |
> |
#define DEBUG 1 |
| 38 |
|
#include "debug.h" |
| 39 |
|
|
| 40 |
|
|
| 648 |
|
r.d[0] = 0xa05c; |
| 649 |
|
Execute68kTrap(0xa247, &r); // SetOSTrapAddress() |
| 650 |
|
|
| 651 |
+ |
#if SUPPORTS_EXTFS |
| 652 |
|
// Install external file system |
| 653 |
|
InstallExtFS(); |
| 654 |
+ |
#endif |
| 655 |
|
} |
| 656 |
|
|
| 657 |
|
|
| 668 |
|
// Real addressing mode requires a 32-bit clean ROM |
| 669 |
|
return ROMVersion == ROM_VERSION_32; |
| 670 |
|
#else |
| 671 |
< |
// Virtual addressing mode works with 32-bit clean Mac II ROMs and Classic ROMs (experimental) |
| 671 |
> |
// Virtual addressing mode works with 32-bit clean Mac II ROMs and Classic ROMs |
| 672 |
|
return (ROMVersion == ROM_VERSION_CLASSIC) || (ROMVersion == ROM_VERSION_32); |
| 673 |
|
#endif |
| 674 |
|
} |
| 1157 |
|
*wp++ = htons(M68K_NOP); |
| 1158 |
|
*wp = htons(M68K_NOP); |
| 1159 |
|
|
| 1160 |
< |
// Fix logical/physical RAM size (CompBootStack) (must be done after InitMemMgr!) |
| 1161 |
< |
static const uint8 fix_memsize_dat[] = {0x4e, 0x75}; |
| 1162 |
< |
if ((base = find_rom_data(0x490, 0x4b0, fix_memsize_dat, sizeof(fix_memsize_dat))) == 0) return false; |
| 1163 |
< |
D(bug("fix_memsize %08lx\n", base)); |
| 1164 |
< |
wp = (uint16 *)(ROMBaseHost + base); |
| 1160 |
> |
// Compute boot stack pointer and fix logical/physical RAM size (CompBootStack) (must be done after InitMemMgr!) |
| 1161 |
> |
wp = (uint16 *)(ROMBaseHost + 0x490); |
| 1162 |
> |
*wp++ = htons(0x2038); // move.l $10c,d0 |
| 1163 |
> |
*wp++ = htons(0x010c); |
| 1164 |
> |
*wp++ = htons(0xd0b8); // add.l $2a6,d0 |
| 1165 |
> |
*wp++ = htons(0x02a6); |
| 1166 |
> |
*wp++ = htons(0xe288); // lsr.l #1,d0 |
| 1167 |
> |
*wp++ = htons(0x0880); // bclr #0,d0 |
| 1168 |
> |
*wp++ = htons(0x0000); |
| 1169 |
> |
*wp++ = htons(0x0440); // subi.w #$400,d0 |
| 1170 |
> |
*wp++ = htons(0x0400); |
| 1171 |
> |
*wp++ = htons(0x2040); // move.l d0,a0 |
| 1172 |
|
*wp++ = htons(M68K_EMUL_OP_FIX_MEMSIZE); |
| 1173 |
< |
*wp = htons(M68K_RTS); |
| 1173 |
> |
*wp++ = htons(M68K_RTS); |
| 1174 |
|
|
| 1175 |
|
static const uint8 fix_memsize2_dat[] = {0x22, 0x30, 0x81, 0xe2, 0x0d, 0xdc, 0xff, 0xba, 0xd2, 0xb0, 0x81, 0xe2, 0x0d, 0xdc, 0xff, 0xec, 0x21, 0xc1, 0x1e, 0xf8}; |
| 1176 |
|
base = find_rom_data(0x4c000, 0x4c080, fix_memsize2_dat, sizeof(fix_memsize2_dat)); |
| 1410 |
|
*wp++ = htons(M68K_EMUL_OP_MEMORY_DISPATCH); |
| 1411 |
|
*wp = htons(M68K_RTS); |
| 1412 |
|
|
| 1413 |
+ |
#if EMULATED_68K |
| 1414 |
+ |
// Replace BlockMove() |
| 1415 |
+ |
wp = (uint16 *)(ROMBaseHost + find_rom_trap(0xa02e)); // BlockMove() |
| 1416 |
+ |
*wp++ = htons(M68K_EMUL_OP_BLOCK_MOVE); |
| 1417 |
+ |
*wp++ = htons(0x7000); |
| 1418 |
+ |
*wp = htons(M68K_RTS); |
| 1419 |
+ |
#endif |
| 1420 |
+ |
|
| 1421 |
|
// Patch VIA interrupt handler |
| 1422 |
|
wp = (uint16 *)(ROMBaseHost + 0x9bc4); // Level 1 handler |
| 1423 |
|
*wp++ = htons(0x7002); // moveq #2,d0 (always 60Hz interrupt) |
