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- /*
- * rom_patches.cpp - ROM patches
- *
- * Basilisk II (C) 1997-2001 Christian Bauer
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
- #include <string.h>
-
- #include "sysdeps.h"
- #include "cpu_emulation.h"
- #include "main.h"
- #include "emul_op.h"
- #include "macos_util.h"
- #include "slot_rom.h"
- #include "sony.h"
- #include "disk.h"
- #include "cdrom.h"
- #include "video.h"
- #include "extfs.h"
- #include "prefs.h"
- #include "rom_patches.h"
-
- #define DEBUG 0
- #include "debug.h"
-
-
- // Global variables
- uint32 UniversalInfo; // ROM offset of UniversalInfo
- uint32 PutScrapPatch; // Mac address of PutScrap() patch
- uint32 ROMBreakpoint = 0; // ROM offset of breakpoint (0 = disabled, 0x2310 = CritError)
- bool PrintROMInfo = false; // Flag: print ROM information in PatchROM()
- bool PatchHWBases = true; // Flag: patch hardware base addresses
-
- static uint32 sony_offset; // ROM offset of .Sony driver
- static uint32 serd_offset; // ROM offset of SERD resource (serial drivers)
- static uint32 microseconds_offset; // ROM offset of Microseconds() replacement routine
- static uint32 debugutil_offset; // ROM offset of DebugUtil() replacement routine
-
- // Prototypes
- uint16 ROMVersion;
-
- /*
- * Macros used to extract one of the 16-bit words from a 32-bit word value
- */
-
- #define HiWord(X) (((X) >> 16) & 0xffff)
- #define LoWord(X) ((X) & 0xffff)
-
-
- /*
- * Search ROM for byte string, return ROM offset (or 0)
- */
-
- static uint32 find_rom_data(uint32 start, uint32 end, const uint8 *data, uint32 data_len)
- {
- uint32 ofs = start;
- while (ofs < end) {
- if (!memcmp((void *)(ROMBaseHost + ofs), data, data_len))
- return ofs;
- ofs++;
- }
- return 0;
- }
-
-
- /*
- * Search ROM resource by type/ID, return ROM offset of resource data
- */
-
- static uint32 rsrc_ptr = 0;
-
- static uint32 find_rom_resource(uint32 s_type, int16 s_id, bool cont = false)
- {
- uint32 lp = ROMBaseMac + ReadMacInt32(ROMBaseMac + 0x1a);
- uint32 x = ReadMacInt32(lp);
-
- if (!cont)
- rsrc_ptr = x;
- else
- rsrc_ptr = ReadMacInt32(ROMBaseMac + rsrc_ptr + 8);
-
- for (;;) {
- lp = ROMBaseMac + rsrc_ptr;
- uint32 data = ReadMacInt32(lp + 12);
- uint32 type = ReadMacInt32(lp + 16);
- int16 id = ReadMacInt16(lp + 20);
-
- if (type == s_type && id == s_id)
- return data;
-
- rsrc_ptr = ReadMacInt32(lp + 8);
- if (!rsrc_ptr)
- break;
- }
- return 0;
- }
-
-
- /*
- * Search offset of A-Trap routine in ROM
- */
-
- static uint32 find_rom_trap(uint16 trap)
- {
- uint8 *bp = (uint8 *)(ROMBaseHost + ReadMacInt32(ROMBaseMac + 0x22));
- uint16 rom_trap = 0xa800;
- uint32 ofs = 0;
-
- again:
- for (int i=0; i<0x400; i++) {
- bool unimplemented = false;
- uint8 b = *bp++;
- if (b == 0x80) // Unimplemented trap
- unimplemented = true;
- else if (b == 0xff) { // Absolute address
- ofs = (bp[0] << 24) | (bp[1] << 16) | (bp[2] << 8) | bp[3];
- bp += 4;
- } else if (b & 0x80) { // 1 byte offset
- int16 add = (b & 0x7f) << 1;
- if (!add)
- return 0;
- ofs += add;
- } else { // 2 byte offset
- int16 add = ((b << 8) | *bp++) << 1;
- if (!add)
- return 0;
- ofs += add;
- }
- if (rom_trap == trap)
- return unimplemented ? 0 : ofs;
- rom_trap++;
- }
- rom_trap = 0xa000;
- goto again;
- }
-
-
- /*
- * Print ROM information to stream,
- */
-
- static void list_rom_resources(void)
- {
- printf("ROM Resources:\n");
- printf("Offset\t Type\tID\tSize\tName\n");
- printf("------------------------------------------------\n");
-
- uint32 lp = ROMBaseMac + ReadMacInt32(ROMBaseMac + 0x1a);
- uint32 rsrc_ptr = ReadMacInt32(lp);
-
- for (;;) {
- lp = ROMBaseMac + rsrc_ptr;
- uint32 data = ReadMacInt32(lp + 12);
-
- char name[32];
- int name_len = ReadMacInt8(lp + 23), i;
- for (i=0; i<name_len; i++)
- name[i] = ReadMacInt8(lp + 24 + i);
- name[i] = 0;
-
- printf("%08x %c%c%c%c\t%d\t%d\t%s\n", data, ReadMacInt8(lp + 16), ReadMacInt8(lp + 17), ReadMacInt8(lp + 18), ReadMacInt8(lp + 19), ReadMacInt16(lp + 20), ReadMacInt32(ROMBaseMac + data - 8), name);
-
- rsrc_ptr = ReadMacInt32(lp + 8);
- if (!rsrc_ptr)
- break;
- }
- printf("\n");
- }
-
- // Mapping of Model IDs to Model names
- struct mac_desc {
- char *name;
- int32 id;
- };
-
- static mac_desc MacDesc[] = {
- {"Classic" , 1},
- {"Mac XL" , 2},
- {"Mac 512KE" , 3},
- {"Mac Plus" , 4},
- {"Mac SE" , 5},
- {"Mac II" , 6},
- {"Mac IIx" , 7},
- {"Mac IIcx" , 8},
- {"Mac SE/030" , 9},
- {"Mac Portable" , 10},
- {"Mac IIci" , 11},
- {"Mac IIfx" , 13},
- {"Mac Classic" , 17},
- {"Mac IIsi" , 18},
- {"Mac LC" , 19},
- {"Quadra 900" , 20},
- {"PowerBook 170" , 21},
- {"Quadra 700" , 22},
- {"Classic II" , 23},
- {"PowerBook 100" , 24},
- {"PowerBook 140" , 25},
- {"Quadra 950" , 26},
- {"Mac LCIII/Performa 450", 27},
- {"PowerBook Duo 210" , 29},
- {"Centris 650" , 30},
- {"PowerBook Duo 230" , 32},
- {"PowerBook 180" , 33},
- {"PowerBook 160" , 34},
- {"Quadra 800" , 35},
- {"Quadra 650" , 36},
- {"Mac LCII" , 37},
- {"PowerBook Duo 250" , 38},
- {"Mac IIvi" , 44},
- {"Mac IIvm/Performa 600", 45},
- {"Mac IIvx" , 48},
- {"Color Classic/Performa 250", 49},
- {"PowerBook 165c" , 50},
- {"Centris 610" , 52},
- {"Quadra 610" , 53},
- {"PowerBook 145" , 54},
- {"Mac LC520" , 56},
- {"Quadra/Centris 660AV" , 60},
- {"Performa 46x" , 62},
- {"PowerBook 180c" , 71},
- {"PowerBook 520/520c/540/540c", 72},
- {"PowerBook Duo 270c" , 77},
- {"Quadra 840AV" , 78},
- {"Performa 550" , 80},
- {"PowerBook 165" , 84},
- {"PowerBook 190" , 85},
- {"Mac TV" , 88},
- {"Mac LC475/Performa 47x", 89},
- {"Mac LC575" , 92},
- {"Quadra 605" , 94},
- {"Quadra 630" , 98},
- {"Mac LC580" , 99},
- {"PowerBook Duo 280" , 102},
- {"PowerBook Duo 280c" , 103},
- {"PowerBook 150" , 115},
- {"unknown", -1}
- };
-
- static void print_universal_info(uint32 info)
- {
- uint8 id = ReadMacInt8(info + 18);
- uint16 hwcfg = ReadMacInt16(info + 16);
- uint16 rom85 = ReadMacInt16(info + 20);
-
- // Find model name
- char *name = "unknown";
- for (int i=0; MacDesc[i].id >= 0; i++)
- if (MacDesc[i].id == id + 6) {
- name = MacDesc[i].name;
- break;
- }
-
- printf("%08x %02x\t%04x\t%04x\t%s\n", info - ROMBaseMac, id, hwcfg, rom85, name);
- }
-
- static void list_universal_infos(void)
- {
- uint32 ofs = 0x3000;
- for (int i=0; i<0x2000; i+=2, ofs+=2)
- if (ReadMacInt32(ROMBaseMac + ofs) == 0xdc000505) {
- ofs -= 16;
- uint32 q;
- for (q=ofs; q > 0 && ReadMacInt32(ROMBaseMac + q) != ofs - q; q-=4) ;
- if (q > 0) {
- printf("Universal Table at %08x:\n", q);
- printf("Offset\t ID\tHWCfg\tROM85\tModel\n");
- printf("------------------------------------------------\n");
- while ((ofs = ReadMacInt32(ROMBaseMac + q))) {
- print_universal_info(ROMBaseMac + ofs + q);
- q += 4;
- }
- }
- break;
- }
- printf("\n");
- }
-
- static void print_rom_info(void)
- {
- printf("\nROM Info:\n");
- printf("Checksum : %08x\n", ReadMacInt32(ROMBaseMac));
- printf("Version : %04x\n", ROMVersion);
- printf("Sub Version : %04x\n", ReadMacInt16(ROMBaseMac + 18));
- printf("Resource Map: %08x\n", ReadMacInt32(ROMBaseMac + 26));
- printf("Trap Tables : %08x\n\n", ReadMacInt32(ROMBaseMac + 34));
- if (ROMVersion == ROM_VERSION_32) {
- list_rom_resources();
- list_universal_infos();
- }
- }
-
-
- /*
- * Driver stubs
- */
-
- static const uint8 sony_driver[] = { // Replacement for .Sony driver
- // Driver header
- SonyDriverFlags >> 8, SonyDriverFlags & 0xff, 0, 0, 0, 0, 0, 0,
- 0x00, 0x18, // Open() offset
- 0x00, 0x1c, // Prime() offset
- 0x00, 0x20, // Control() offset
- 0x00, 0x2c, // Status() offset
- 0x00, 0x52, // Close() offset
- 0x05, 0x2e, 0x53, 0x6f, 0x6e, 0x79, // ".Sony"
-
- // Open()
- M68K_EMUL_OP_SONY_OPEN >> 8, M68K_EMUL_OP_SONY_OPEN & 0xff,
- 0x4e, 0x75, // rts
-
- // Prime()
- M68K_EMUL_OP_SONY_PRIME >> 8, M68K_EMUL_OP_SONY_PRIME & 0xff,
- 0x60, 0x0e, // bra IOReturn
-
- // Control()
- M68K_EMUL_OP_SONY_CONTROL >> 8, M68K_EMUL_OP_SONY_CONTROL & 0xff,
- 0x0c, 0x68, 0x00, 0x01, 0x00, 0x1a, // cmp.w #1,$1a(a0)
- 0x66, 0x04, // bne IOReturn
- 0x4e, 0x75, // rts
-
- // Status()
- M68K_EMUL_OP_SONY_STATUS >> 8, M68K_EMUL_OP_SONY_STATUS & 0xff,
-
- // IOReturn
- 0x32, 0x28, 0x00, 0x06, // move.w 6(a0),d1
- 0x08, 0x01, 0x00, 0x09, // btst #9,d1
- 0x67, 0x0c, // beq 1
- 0x4a, 0x40, // tst.w d0
- 0x6f, 0x02, // ble 2
- 0x42, 0x40, // clr.w d0
- 0x31, 0x40, 0x00, 0x10, //2 move.w d0,$10(a0)
- 0x4e, 0x75, // rts
- 0x4a, 0x40, //1 tst.w d0
- 0x6f, 0x04, // ble 3
- 0x42, 0x40, // clr.w d0
- 0x4e, 0x75, // rts
- 0x2f, 0x38, 0x08, 0xfc, //3 move.l $8fc,-(sp)
- 0x4e, 0x75, // rts
-
- // Close()
- 0x70, 0xe8, // moveq #-24,d0
- 0x4e, 0x75 // rts
- };
-
- static const uint8 disk_driver[] = { // Generic disk driver
- // Driver header
- DiskDriverFlags >> 8, DiskDriverFlags & 0xff, 0, 0, 0, 0, 0, 0,
- 0x00, 0x18, // Open() offset
- 0x00, 0x1c, // Prime() offset
- 0x00, 0x20, // Control() offset
- 0x00, 0x2c, // Status() offset
- 0x00, 0x52, // Close() offset
- 0x05, 0x2e, 0x44, 0x69, 0x73, 0x6b, // ".Disk"
-
- // Open()
- M68K_EMUL_OP_DISK_OPEN >> 8, M68K_EMUL_OP_DISK_OPEN & 0xff,
- 0x4e, 0x75, // rts
-
- // Prime()
- M68K_EMUL_OP_DISK_PRIME >> 8, M68K_EMUL_OP_DISK_PRIME & 0xff,
- 0x60, 0x0e, // bra IOReturn
-
- // Control()
- M68K_EMUL_OP_DISK_CONTROL >> 8, M68K_EMUL_OP_DISK_CONTROL & 0xff,
- 0x0c, 0x68, 0x00, 0x01, 0x00, 0x1a, // cmp.w #1,$1a(a0)
- 0x66, 0x04, // bne IOReturn
- 0x4e, 0x75, // rts
-
- // Status()
- M68K_EMUL_OP_DISK_STATUS >> 8, M68K_EMUL_OP_DISK_STATUS & 0xff,
-
- // IOReturn
- 0x32, 0x28, 0x00, 0x06, // move.w 6(a0),d1
- 0x08, 0x01, 0x00, 0x09, // btst #9,d1
- 0x67, 0x0c, // beq 1
- 0x4a, 0x40, // tst.w d0
- 0x6f, 0x02, // ble 2
- 0x42, 0x40, // clr.w d0
- 0x31, 0x40, 0x00, 0x10, //2 move.w d0,$10(a0)
- 0x4e, 0x75, // rts
- 0x4a, 0x40, //1 tst.w d0
- 0x6f, 0x04, // ble 3
- 0x42, 0x40, // clr.w d0
- 0x4e, 0x75, // rts
- 0x2f, 0x38, 0x08, 0xfc, //3 move.l $8fc,-(sp)
- 0x4e, 0x75, // rts
-
- // Close()
- 0x70, 0xe8, // moveq #-24,d0
- 0x4e, 0x75 // rts
- };
-
- static const uint8 cdrom_driver[] = { // CD-ROM driver
- // Driver header
- CDROMDriverFlags >> 8, CDROMDriverFlags & 0xff, 0, 0, 0, 0, 0, 0,
- 0x00, 0x1c, // Open() offset
- 0x00, 0x20, // Prime() offset
- 0x00, 0x24, // Control() offset
- 0x00, 0x30, // Status() offset
- 0x00, 0x56, // Close() offset
- 0x08, 0x2e, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x43, 0x44, 0x00, // ".AppleCD"
-
- // Open()
- M68K_EMUL_OP_CDROM_OPEN >> 8, M68K_EMUL_OP_CDROM_OPEN & 0xff,
- 0x4e, 0x75, // rts
-
- // Prime()
- M68K_EMUL_OP_CDROM_PRIME >> 8, M68K_EMUL_OP_CDROM_PRIME & 0xff,
- 0x60, 0x0e, // bra IOReturn
-
- // Control()
- M68K_EMUL_OP_CDROM_CONTROL >> 8, M68K_EMUL_OP_CDROM_CONTROL & 0xff,
- 0x0c, 0x68, 0x00, 0x01, 0x00, 0x1a, // cmp.w #1,$1a(a0)
- 0x66, 0x04, // bne IOReturn
- 0x4e, 0x75, // rts
-
- // Status()
- M68K_EMUL_OP_CDROM_STATUS >> 8, M68K_EMUL_OP_CDROM_STATUS & 0xff,
-
- // IOReturn
- 0x32, 0x28, 0x00, 0x06, // move.w 6(a0),d1
- 0x08, 0x01, 0x00, 0x09, // btst #9,d1
- 0x67, 0x0c, // beq 1
- 0x4a, 0x40, // tst.w d0
- 0x6f, 0x02, // ble 2
- 0x42, 0x40, // clr.w d0
- 0x31, 0x40, 0x00, 0x10, //2 move.w d0,$10(a0)
- 0x4e, 0x75, // rts
- 0x4a, 0x40, //1 tst.w d0
- 0x6f, 0x04, // ble 3
- 0x42, 0x40, // clr.w d0
- 0x4e, 0x75, // rts
- 0x2f, 0x38, 0x08, 0xfc, //3 move.l $8fc,-(sp)
- 0x4e, 0x75, // rts
-
- // Close()
- 0x70, 0xe8, // moveq #-24,d0
- 0x4e, 0x75 // rts
- };
-
- static const uint8 ain_driver[] = { // .AIn driver header
- // Driver header
- 0x4d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x18, // Open() offset
- 0x00, 0x1e, // Prime() offset
- 0x00, 0x24, // Control() offset
- 0x00, 0x32, // Status() offset
- 0x00, 0x38, // Close() offset
- 0x04, 0x2e, 0x41, 0x49, 0x6e, 0x09, // ".AIn",9
-
- // Open()
- 0x70, 0x00, // moveq #0,d0
- M68K_EMUL_OP_SERIAL_OPEN >> 8, M68K_EMUL_OP_SERIAL_OPEN & 0xff,
- 0x4e, 0x75, // rts
-
- // Prime()
- 0x70, 0x00, // moveq #0,d0
- M68K_EMUL_OP_SERIAL_PRIME >> 8, M68K_EMUL_OP_SERIAL_PRIME & 0xff,
- 0x60, 0x1a, // bra IOReturn
-
- // Control()
- 0x70, 0x00, // moveq #0,d0
- M68K_EMUL_OP_SERIAL_CONTROL >> 8, M68K_EMUL_OP_SERIAL_CONTROL & 0xff,
- 0x0c, 0x68, 0x00, 0x01, 0x00, 0x1a, // cmp.w #1,$1a(a0)
- 0x66, 0x0e, // bne IOReturn
- 0x4e, 0x75, // rts
-
- // Status()
- 0x70, 0x00, // moveq #0,d0
- M68K_EMUL_OP_SERIAL_STATUS >> 8, M68K_EMUL_OP_SERIAL_STATUS & 0xff,
- 0x60, 0x06, // bra IOReturn
-
- // Close()
- 0x70, 0x00, // moveq #0,d0
- M68K_EMUL_OP_SERIAL_CLOSE >> 8, M68K_EMUL_OP_SERIAL_CLOSE & 0xff,
- 0x4e, 0x75, // rts
-
- // IOReturn
- 0x32, 0x28, 0x00, 0x06, // move.w 6(a0),d1
- 0x08, 0x01, 0x00, 0x09, // btst #9,d1
- 0x67, 0x0c, // beq 1
- 0x4a, 0x40, // tst.w d0
- 0x6f, 0x02, // ble 2
- 0x42, 0x40, // clr.w d0
- 0x31, 0x40, 0x00, 0x10, //2 move.w d0,$10(a0)
- 0x4e, 0x75, // rts
- 0x4a, 0x40, //1 tst.w d0
- 0x6f, 0x04, // ble 3
- 0x42, 0x40, // clr.w d0
- 0x4e, 0x75, // rts
- 0x2f, 0x38, 0x08, 0xfc, //3 move.l $8fc,-(a7)
- 0x4e, 0x75, // rts
- };
-
- static const uint8 aout_driver[] = { // .AOut driver header
- // Driver header
- 0x4e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x1a, // Open() offset
- 0x00, 0x20, // Prime() offset
- 0x00, 0x26, // Control() offset
- 0x00, 0x34, // Status() offset
- 0x00, 0x3a, // Close() offset
- 0x05, 0x2e, 0x41, 0x4f, 0x75, 0x74, 0x09, 0x00, // ".AOut",9
-
- // Open()
- 0x70, 0x01, // moveq #1,d0
- M68K_EMUL_OP_SERIAL_OPEN >> 8, M68K_EMUL_OP_SERIAL_OPEN & 0xff,
- 0x4e, 0x75, // rts
-
- // Prime()
- 0x70, 0x01, // moveq #1,d0
- M68K_EMUL_OP_SERIAL_PRIME >> 8, M68K_EMUL_OP_SERIAL_PRIME & 0xff,
- 0x60, 0x1a, // bra IOReturn
-
- // Control()
- 0x70, 0x01, // moveq #1,d0
- M68K_EMUL_OP_SERIAL_CONTROL >> 8, M68K_EMUL_OP_SERIAL_CONTROL & 0xff,
- 0x0c, 0x68, 0x00, 0x01, 0x00, 0x1a, // cmp.w #1,$1a(a0)
- 0x66, 0x0e, // bne IOReturn
- 0x4e, 0x75, // rts
-
- // Status()
- 0x70, 0x01, // moveq #1,d0
- M68K_EMUL_OP_SERIAL_STATUS >> 8, M68K_EMUL_OP_SERIAL_STATUS & 0xff,
- 0x60, 0x06, // bra IOReturn
-
- // Close()
- 0x70, 0x01, // moveq #1,d0
- M68K_EMUL_OP_SERIAL_CLOSE >> 8, M68K_EMUL_OP_SERIAL_CLOSE & 0xff,
- 0x4e, 0x75, // rts
-
- // IOReturn
- 0x32, 0x28, 0x00, 0x06, // move.w 6(a0),d1
- 0x08, 0x01, 0x00, 0x09, // btst #9,d1
- 0x67, 0x0c, // beq 1
- 0x4a, 0x40, // tst.w d0
- 0x6f, 0x02, // ble 2
- 0x42, 0x40, // clr.w d0
- 0x31, 0x40, 0x00, 0x10, //2 move.w d0,$10(a0)
- 0x4e, 0x75, // rts
- 0x4a, 0x40, //1 tst.w d0
- 0x6f, 0x04, // ble 3
- 0x42, 0x40, // clr.w d0
- 0x4e, 0x75, // rts
- 0x2f, 0x38, 0x08, 0xfc, //3 move.l $8fc,-(a7)
- 0x4e, 0x75, // rts
- };
-
- static const uint8 bin_driver[] = { // .BIn driver header
- // Driver header
- 0x4d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x18, // Open() offset
- 0x00, 0x1e, // Prime() offset
- 0x00, 0x24, // Control() offset
- 0x00, 0x32, // Status() offset
- 0x00, 0x38, // Close() offset
- 0x04, 0x2e, 0x42, 0x49, 0x6e, 0x09, // ".BIn",9
-
- // Open()
- 0x70, 0x02, // moveq #2,d0
- M68K_EMUL_OP_SERIAL_OPEN >> 8, M68K_EMUL_OP_SERIAL_OPEN & 0xff,
- 0x4e, 0x75, // rts
-
- // Prime()
- 0x70, 0x02, // moveq #2,d0
- M68K_EMUL_OP_SERIAL_PRIME >> 8, M68K_EMUL_OP_SERIAL_PRIME & 0xff,
- 0x60, 0x1a, // bra IOReturn
-
- // Control()
- 0x70, 0x02, // moveq #2,d0
- M68K_EMUL_OP_SERIAL_CONTROL >> 8, M68K_EMUL_OP_SERIAL_CONTROL & 0xff,
- 0x0c, 0x68, 0x00, 0x01, 0x00, 0x1a, // cmp.w #1,$1a(a0)
- 0x66, 0x0e, // bne IOReturn
- 0x4e, 0x75, // rts
-
- // Status()
- 0x70, 0x02, // moveq #2,d0
- M68K_EMUL_OP_SERIAL_STATUS >> 8, M68K_EMUL_OP_SERIAL_STATUS & 0xff,
- 0x60, 0x06, // bra IOReturn
-
- // Close()
- 0x70, 0x02, // moveq #2,d0
- M68K_EMUL_OP_SERIAL_CLOSE >> 8, M68K_EMUL_OP_SERIAL_CLOSE & 0xff,
- 0x4e, 0x75, // rts
-
- // IOReturn
- 0x32, 0x28, 0x00, 0x06, // move.w 6(a0),d1
- 0x08, 0x01, 0x00, 0x09, // btst #9,d1
- 0x67, 0x0c, // beq 1
- 0x4a, 0x40, // tst.w d0
- 0x6f, 0x02, // ble 2
- 0x42, 0x40, // clr.w d0
- 0x31, 0x40, 0x00, 0x10, //2 move.w d0,$10(a0)
- 0x4e, 0x75, // rts
- 0x4a, 0x40, //1 tst.w d0
- 0x6f, 0x04, // ble 3
- 0x42, 0x40, // clr.w d0
- 0x4e, 0x75, // rts
- 0x2f, 0x38, 0x08, 0xfc, //3 move.l $8fc,-(a7)
- 0x4e, 0x75, // rts
- };
-
- static const uint8 bout_driver[] = { // .BOut driver header
- // Driver header
- 0x4e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x1a, // Open() offset
- 0x00, 0x20, // Prime() offset
- 0x00, 0x26, // Control() offset
- 0x00, 0x34, // Status() offset
- 0x00, 0x3a, // Close() offset
- 0x05, 0x2e, 0x42, 0x4f, 0x75, 0x74, 0x09, 0x00, // ".BOut",9
-
- // Open()
- 0x70, 0x03, // moveq #3,d0
- M68K_EMUL_OP_SERIAL_OPEN >> 8, M68K_EMUL_OP_SERIAL_OPEN & 0xff,
- 0x4e, 0x75, // rts
-
- // Prime()
- 0x70, 0x03, // moveq #3,d0
- M68K_EMUL_OP_SERIAL_PRIME >> 8, M68K_EMUL_OP_SERIAL_PRIME & 0xff,
- 0x60, 0x1a, // bra IOReturn
-
- // Control()
- 0x70, 0x03, // moveq #3,d0
- M68K_EMUL_OP_SERIAL_CONTROL >> 8, M68K_EMUL_OP_SERIAL_CONTROL & 0xff,
- 0x0c, 0x68, 0x00, 0x01, 0x00, 0x1a, // cmp.w #1,$1a(a0)
- 0x66, 0x0e, // bne IOReturn
- 0x4e, 0x75, // rts
-
- // Status()
- 0x70, 0x03, // moveq #3,d0
- M68K_EMUL_OP_SERIAL_STATUS >> 8, M68K_EMUL_OP_SERIAL_STATUS & 0xff,
- 0x60, 0x06, // bra IOReturn
-
- // Close()
- 0x70, 0x03, // moveq #3,d0
- M68K_EMUL_OP_SERIAL_CLOSE >> 8, M68K_EMUL_OP_SERIAL_CLOSE & 0xff,
- 0x4e, 0x75, // rts
-
- // IOReturn
- 0x32, 0x28, 0x00, 0x06, // move.w 6(a0),d1
- 0x08, 0x01, 0x00, 0x09, // btst #9,d1
- 0x67, 0x0c, // beq 1
- 0x4a, 0x40, // tst.w d0
- 0x6f, 0x02, // ble 2
- 0x42, 0x40, // clr.w d0
- 0x31, 0x40, 0x00, 0x10, //2 move.w d0,$10(a0)
- 0x4e, 0x75, // rts
- 0x4a, 0x40, //1 tst.w d0
- 0x6f, 0x04, // ble 3
- 0x42, 0x40, // clr.w d0
- 0x4e, 0x75, // rts
- 0x2f, 0x38, 0x08, 0xfc, //3 move.l $8fc,-(a7)
- 0x4e, 0x75, // rts
- };
-
-
- /*
- * ADBOp() patch
- */
-
- static const uint8 adbop_patch[] = { // Call ADBOp() completion procedure
- // The completion procedure may call ADBOp() again!
- 0x40, 0xe7, // move sr,-(sp)
- 0x00, 0x7c, 0x07, 0x00, // ori #$0700,sr
- M68K_EMUL_OP_ADBOP >> 8, M68K_EMUL_OP_ADBOP & 0xff,
- 0x48, 0xe7, 0x70, 0xf0, // movem.l d1-d3/a0-a3,-(sp)
- 0x26, 0x48, // move.l a0,a3
- 0x4a, 0xab, 0x00, 0x04, // tst.l 4(a3)
- 0x67, 0x00, 0x00, 0x18, // beq 1
- 0x20, 0x53, // move.l (a3),a0
- 0x22, 0x6b, 0x00, 0x04, // move.l 4(a3),a1
- 0x24, 0x6b, 0x00, 0x08, // move.l 8(a3),a2
- 0x26, 0x78, 0x0c, 0xf8, // move.l $cf8,a3
- 0x4e, 0x91, // jsr (a1)
- 0x70, 0x00, // moveq #0,d0
- 0x60, 0x00, 0x00, 0x04, // bra 2
- 0x70, 0xff, //1 moveq #-1,d0
- 0x4c, 0xdf, 0x0f, 0x0e, //2 movem.l (sp)+,d1-d3/a0-a3
- 0x46, 0xdf, // move (sp)+,sr
- 0x4e, 0x75 // rts
- };
-
-
- /*
- * Install .Sony, disk and CD-ROM drivers
- */
-
- void InstallDrivers(uint32 pb)
- {
- D(bug("InstallDrivers, pb %08x\n", pb));
- M68kRegisters r;
-
- // Install Microseconds() replacement routine
- r.a[0] = ROMBaseMac + microseconds_offset;
- r.d[0] = 0xa093;
- Execute68kTrap(0xa247, &r); // SetOSTrapAddress()
-
- // Install DebugUtil() replacement routine
- r.a[0] = ROMBaseMac + debugutil_offset;
- r.d[0] = 0xa08d;
- Execute68kTrap(0xa247, &r); // SetOSTrapAddress()
-
- // Install disk driver
- r.a[0] = ROMBaseMac + sony_offset + 0x100;
- r.d[0] = (uint32)DiskRefNum;
- Execute68kTrap(0xa43d, &r); // DrvrInstallRsrvMem()
- r.a[0] = ReadMacInt32(ReadMacInt32(0x11c) + ~DiskRefNum * 4); // Get driver handle from Unit Table
- Execute68kTrap(0xa029, &r); // HLock()
- uint32 dce = ReadMacInt32(r.a[0]);
- WriteMacInt32(dce + dCtlDriver, ROMBaseMac + sony_offset + 0x100);
- WriteMacInt16(dce + dCtlFlags, DiskDriverFlags);
-
- // Open disk driver
- WriteMacInt32(pb + ioNamePtr, ROMBaseMac + sony_offset + 0x112);
- r.a[0] = pb;
- Execute68kTrap(0xa000, &r); // Open()
-
- // Install CD-ROM driver unless nocdrom option given
- if (!PrefsFindBool("nocdrom")) {
-
- // Install CD-ROM driver
- r.a[0] = ROMBaseMac + sony_offset + 0x200;
- r.d[0] = (uint32)CDROMRefNum;
- Execute68kTrap(0xa43d, &r); // DrvrInstallRsrvMem()
- r.a[0] = ReadMacInt32(ReadMacInt32(0x11c) + ~CDROMRefNum * 4); // Get driver handle from Unit Table
- Execute68kTrap(0xa029, &r); // HLock()
- dce = ReadMacInt32(r.a[0]);
- WriteMacInt32(dce + dCtlDriver, ROMBaseMac + sony_offset + 0x200);
- WriteMacInt16(dce + dCtlFlags, CDROMDriverFlags);
-
- // Open CD-ROM driver
- WriteMacInt32(pb + ioNamePtr, ROMBaseMac + sony_offset + 0x212);
- r.a[0] = pb;
- Execute68kTrap(0xa000, &r); // Open()
- }
- }
-
-
- /*
- * Install serial drivers
- */
-
- void InstallSERD(void)
- {
- D(bug("InstallSERD\n"));
-
- // All drivers are inside the SERD resource
- M68kRegisters r;
-
- // Install .AIn driver
- r.d[0] = (uint32)-6;
- r.a[0] = ROMBaseMac + serd_offset + 0x100;
- Execute68kTrap(0xa53d, &r); // DrvrInstallRsrvMem()
- Execute68kTrap(0xa029, &r); // HLock()
- uint32 drvr_ptr = ReadMacInt32(r.a[0]);
- WriteMacInt32(drvr_ptr + dCtlDriver, ROMBaseMac + serd_offset + 0x100); // Pointer to driver header
- WriteMacInt16(drvr_ptr + dCtlFlags, (ain_driver[0] << 8) + ain_driver[1]); // Driver flags
- WriteMacInt16(drvr_ptr + dCtlQHdr + qFlags, 9); // Version number
-
- // Install .AOut driver
- r.d[0] = (uint32)-7;
- r.a[0] = ROMBaseMac + serd_offset + 0x200;
- Execute68kTrap(0xa53d, &r); // DrvrInstallRsrvMem()
- Execute68kTrap(0xa029, &r); // HLock()
- drvr_ptr = ReadMacInt32(r.a[0]);
- WriteMacInt32(drvr_ptr + dCtlDriver, ROMBaseMac + serd_offset + 0x200); // Pointer to driver header
- WriteMacInt16(drvr_ptr + dCtlFlags, (aout_driver[0] << 8) + aout_driver[1]); // Driver flags
- WriteMacInt16(drvr_ptr + dCtlQHdr + qFlags, 9); // Version number
-
- // Install .BIn driver
- r.d[0] = (uint32)-8;
- r.a[0] = ROMBaseMac + serd_offset + 0x300;
- Execute68kTrap(0xa53d, &r); // DrvrInstallRsrvMem()
- Execute68kTrap(0xa029, &r); // HLock()
- drvr_ptr = ReadMacInt32(r.a[0]);
- WriteMacInt32(drvr_ptr + dCtlDriver, ROMBaseMac + serd_offset + 0x300); // Pointer to driver header
- WriteMacInt16(drvr_ptr + dCtlFlags, (bin_driver[0] << 8) + bin_driver[1]); // Driver flags
- WriteMacInt16(drvr_ptr + dCtlQHdr + qFlags, 9); // Version number
-
- // Install .BOut driver
- r.d[0] = (uint32)-9;
- r.a[0] = ROMBaseMac + serd_offset + 0x400;
- Execute68kTrap(0xa53d, &r); // DrvrInstallRsrvMem()
- Execute68kTrap(0xa029, &r); // HLock()
- drvr_ptr = ReadMacInt32(r.a[0]);
- WriteMacInt32(drvr_ptr + dCtlDriver, ROMBaseMac + serd_offset + 0x400); // Pointer to driver header
- WriteMacInt16(drvr_ptr + dCtlFlags, (bout_driver[0] << 8) + bout_driver[1]); // Driver flags
- WriteMacInt16(drvr_ptr + dCtlQHdr + qFlags, 9); // Version number
- }
-
-
- /*
- * Install patches after MacOS startup
- */
-
- void PatchAfterStartup(void)
- {
- #if SUPPORTS_EXTFS
- // Install external file system
- InstallExtFS();
- #endif
- }
-
-
- /*
- * Check ROM version, returns false if ROM version is not supported
- */
-
- bool CheckROM(void)
- {
- // Read version
- ROMVersion = ntohs(*(uint16 *)(ROMBaseHost + 8));
-
- #if REAL_ADDRESSING || DIRECT_ADDRESSING
- // Real and direct addressing modes require a 32-bit clean ROM
- return ROMVersion == ROM_VERSION_32;
- #else
- // Virtual addressing mode works with 32-bit clean Mac II ROMs and Classic ROMs
- return (ROMVersion == ROM_VERSION_CLASSIC) || (ROMVersion == ROM_VERSION_32);
- #endif
- }
-
-
- /*
- * Install ROM patches, returns false if ROM version is not supported
- */
-
- // ROM patches for Mac Classic/SE ROMs (version $0276)
- static bool patch_rom_classic(void)
- {
- uint16 *wp;
- uint32 base;
-
- // Don't jump into debugger (VIA line)
- wp = (uint16 *)(ROMBaseHost + 0x1c40);
- *wp = htons(0x601e);
-
- // Don't complain about incorrect ROM checksum
- wp = (uint16 *)(ROMBaseHost + 0x1c6c);
- *wp = htons(0x7c00);
-
- // Don't initialize IWM
- wp = (uint16 *)(ROMBaseHost + 0x50);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
-
- // Skip startup sound
- wp = (uint16 *)(ROMBaseHost + 0x6a);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
-
- // Don't loop in ADB init
- wp = (uint16 *)(ROMBaseHost + 0x3364);
- *wp = htons(M68K_NOP);
-
- // Patch ClkNoMem
- wp = (uint16 *)(ROMBaseHost + 0xa2c0);
- *wp++ = htons(M68K_EMUL_OP_CLKNOMEM);
- *wp = htons(0x4ed5); // jmp (a5)
-
- // Skip main memory test (not that it wouldn't pass, but it's faster that way)
- wp = (uint16 *)(ROMBaseHost + 0x11e);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
-
- // Install our own drivers
- wp = (uint16 *)(ROMBaseHost + 0x3f82a);
- *wp++ = htons(M68K_EMUL_OP_INSTALL_DRIVERS);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
-
- #if 1
- // Don't look for SCSI devices
- wp = (uint16 *)(ROMBaseHost + 0xd5a);
- *wp = htons(0x601e);
- #endif
-
- // Replace .Sony driver
- sony_offset = 0x34680;
- D(bug("sony %08lx\n", sony_offset));
- memcpy(ROMBaseHost + sony_offset, sony_driver, sizeof(sony_driver));
-
- // Install .Disk and .AppleCD drivers
- memcpy(ROMBaseHost + sony_offset + 0x100, disk_driver, sizeof(disk_driver));
- memcpy(ROMBaseHost + sony_offset + 0x200, cdrom_driver, sizeof(cdrom_driver));
-
- // Copy icons to ROM
- SonyDiskIconAddr = ROMBaseMac + sony_offset + 0x400;
- memcpy(ROMBaseHost + sony_offset + 0x400, SonyDiskIcon, sizeof(SonyDiskIcon));
- SonyDriveIconAddr = ROMBaseMac + sony_offset + 0x600;
- memcpy(ROMBaseHost + sony_offset + 0x600, SonyDriveIcon, sizeof(SonyDriveIcon));
- DiskIconAddr = ROMBaseMac + sony_offset + 0x800;
- memcpy(ROMBaseHost + sony_offset + 0x800, DiskIcon, sizeof(DiskIcon));
- CDROMIconAddr = ROMBaseMac + sony_offset + 0xa00;
- memcpy(ROMBaseHost + sony_offset + 0xa00, CDROMIcon, sizeof(CDROMIcon));
-
- // Install SERD patch and serial drivers
- serd_offset = 0x31bae;
- D(bug("serd %08lx\n", serd_offset));
- wp = (uint16 *)(ROMBaseHost + serd_offset + 12);
- *wp++ = htons(M68K_EMUL_OP_SERD);
- *wp = htons(M68K_RTS);
- memcpy(ROMBaseHost + serd_offset + 0x100, ain_driver, sizeof(ain_driver));
- memcpy(ROMBaseHost + serd_offset + 0x200, aout_driver, sizeof(aout_driver));
- memcpy(ROMBaseHost + serd_offset + 0x300, bin_driver, sizeof(bin_driver));
- memcpy(ROMBaseHost + serd_offset + 0x400, bout_driver, sizeof(bout_driver));
-
- // Replace ADBOp()
- memcpy(ROMBaseHost + 0x3880, adbop_patch, sizeof(adbop_patch));
-
- // Replace Time Manager
- wp = (uint16 *)(ROMBaseHost + 0x1a95c);
- *wp++ = htons(M68K_EMUL_OP_INSTIME);
- *wp = htons(M68K_RTS);
- wp = (uint16 *)(ROMBaseHost + 0x1a96a);
- *wp++ = htons(0x40e7); // move sr,-(sp)
- *wp++ = htons(0x007c); // ori #$0700,sr
- *wp++ = htons(0x0700);
- *wp++ = htons(M68K_EMUL_OP_RMVTIME);
- *wp++ = htons(0x46df); // move (sp)+,sr
- *wp = htons(M68K_RTS);
- wp = (uint16 *)(ROMBaseHost + 0x1a984);
- *wp++ = htons(0x40e7); // move sr,-(sp)
- *wp++ = htons(0x007c); // ori #$0700,sr
- *wp++ = htons(0x0700);
- *wp++ = htons(M68K_EMUL_OP_PRIMETIME);
- *wp++ = htons(0x46df); // move (sp)+,sr
- *wp++ = htons(M68K_RTS);
- microseconds_offset = (uint8 *)wp - ROMBaseHost;
- *wp++ = htons(M68K_EMUL_OP_MICROSECONDS);
- *wp++ = htons(M68K_RTS);
-
- // Replace DebugUtil
- debugutil_offset = (uint8 *)wp - ROMBaseHost;
- *wp++ = htons(M68K_EMUL_OP_DEBUGUTIL);
- *wp = htons(M68K_RTS);
-
- // Replace SCSIDispatch()
- wp = (uint16 *)(ROMBaseHost + 0x1a206);
- *wp++ = htons(M68K_EMUL_OP_SCSI_DISPATCH);
- *wp++ = htons(0x2e49); // move.l a1,a7
- *wp = htons(M68K_JMP_A0);
-
- // Modify vCheckLoad() so we can patch resources
- wp = (uint16 *)(ROMBaseHost + 0xe740);
- *wp++ = htons(M68K_JMP);
- *wp++ = htons((ROMBaseMac + sony_offset + 0x300) >> 16);
- *wp = htons((ROMBaseMac + sony_offset + 0x300) & 0xffff);
- wp = (uint16 *)(ROMBaseHost + sony_offset + 0x300);
- *wp++ = htons(0x2f03); // move.l d3,-(sp) (save type)
- *wp++ = htons(0x2078); // move.l $07f0,a0
- *wp++ = htons(0x07f0);
- *wp++ = htons(M68K_JSR_A0);
- *wp++ = htons(0x221f); // move.l (sp)+,d1 (restore type)
- *wp++ = htons(M68K_EMUL_OP_CHECKLOAD);
- *wp = htons(M68K_RTS);
-
- // Install PutScrap() patch for clipboard data exchange (the patch is activated by EMUL_OP_INSTALL_DRIVERS)
- PutScrapPatch = ROMBaseMac + sony_offset + 0xc00;
- base = ROMBaseMac + 0x12794;
- wp = (uint16 *)(ROMBaseHost + sony_offset + 0xc00);
- *wp++ = htons(M68K_EMUL_OP_PUT_SCRAP);
- *wp++ = htons(M68K_JMP);
- *wp++ = htons(base >> 16);
- *wp = htons(base & 0xffff);
-
- #if 0
- // Boot from internal EDisk
- wp = (uint16 *)(ROMBaseHost + 0x3f83c);
- *wp = htons(M68K_NOP);
- #endif
-
- // Patch VIA interrupt handler
- wp = (uint16 *)(ROMBaseHost + 0x2b3a); // Level 1 handler
- *wp++ = htons(0x5888); // addq.l #4,a0
- *wp++ = htons(0x5888); // addq.l #4,a0
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
-
- wp = (uint16 *)(ROMBaseHost + 0x2be8); // 60Hz handler (handles everything)
- *wp++ = htons(M68K_EMUL_OP_IRQ);
- *wp++ = htons(0x4a80); // tst.l d0
- *wp = htons(0x67f4); // beq 0x402be2
- return true;
- }
-
- // ROM patches for 32-bit clean Mac-II ROMs (version $067c)
- static bool patch_rom_32(void)
- {
- uint32 *lp;
- uint16 *wp;
- uint8 *bp;
- uint32 base;
-
- // Find UniversalInfo
- static const uint8 universal_dat[] = {0xdc, 0x00, 0x05, 0x05, 0x3f, 0xff, 0x01, 0x00};
- if ((base = find_rom_data(0x3400, 0x3c00, universal_dat, sizeof(universal_dat))) == 0) return false;
- UniversalInfo = base - 0x10;
- D(bug("universal %08lx\n", UniversalInfo));
-
- // Patch UniversalInfo (disable NuBus slots)
- bp = ROMBaseHost + UniversalInfo + ReadMacInt32(ROMBaseMac + UniversalInfo + 12); // nuBusInfoPtr
- bp[0] = 0x03;
- for (int i=1; i<16; i++)
- bp[i] = 0x08;
-
- // Set model ID from preferences
- bp = ROMBaseHost + UniversalInfo + 18; // productKind
- *bp = PrefsFindInt32("modelid");
-
- #if !ROM_IS_WRITE_PROTECTED
- #if defined(USE_SCRATCHMEM_SUBTERFUGE)
- // Set hardware base addresses to scratch memory area
- if (PatchHWBases) {
- extern uint8 *ScratchMem;
- const uint32 ScratchMemBase = Host2MacAddr(ScratchMem);
-
- D(bug("LMGlob\tOfs/4\tBase\n"));
- base = ROMBaseMac + UniversalInfo + ReadMacInt32(ROMBaseMac + UniversalInfo); // decoderInfoPtr
- wp = (uint16 *)(ROMBaseHost + 0x94a);
- while (*wp != 0xffff) {
- int16 ofs = ntohs(*wp++); // offset in decoderInfo (/4)
- int16 lmg = ntohs(*wp++); // address of LowMem global
- D(bug("0x%04x\t%d\t0x%08x\n", lmg, ofs, ReadMacInt32(base + ofs*4)));
-
- // Fake address only if this is not the ASC base
- if (lmg != 0xcc0)
- WriteMacInt32(base + ofs*4, ScratchMemBase);
- }
- }
- #else
- #error System specific handling for writable ROM is required here
- #endif
- #endif
-
- // Make FPU optional
- if (FPUType == 0) {
- bp = ROMBaseHost + UniversalInfo + 22; // defaultRSRCs
- *bp = 4; // FPU optional
- }
-
- // Install special reset opcode and jump (skip hardware detection and tests)
- wp = (uint16 *)(ROMBaseHost + 0x8c);
- *wp++ = htons(M68K_EMUL_OP_RESET);
- *wp++ = htons(M68K_JMP);
- *wp++ = htons((ROMBaseMac + 0xba) >> 16);
- *wp = htons((ROMBaseMac + 0xba) & 0xffff);
-
- // Don't GetHardwareInfo
- wp = (uint16 *)(ROMBaseHost + 0xc2);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
-
- // Don't init VIAs
- wp = (uint16 *)(ROMBaseHost + 0xc6);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
-
- // Fake CPU type test
- wp = (uint16 *)(ROMBaseHost + 0x7c0);
- *wp++ = htons(0x7e00 + CPUType);
- *wp = htons(M68K_RTS);
-
- // Don't clear end of BootGlobs upto end of RAM (address xxxx0000)
- static const uint8 clear_globs_dat[] = {0x42, 0x9a, 0x36, 0x0a, 0x66, 0xfa};
- base = find_rom_data(0xa00, 0xb00, clear_globs_dat, sizeof(clear_globs_dat));
- D(bug("clear_globs %08lx\n", base));
- if (base) { // ROM15/20/22/23/26/27/32
- wp = (uint16 *)(ROMBaseHost + base + 2);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
- }
-
- // Patch InitMMU (no MMU present, don't choke on unknown CPU types)
- if (ROMSize <= 0x80000) {
- static const uint8 init_mmu_dat[] = {0x0c, 0x47, 0x00, 0x03, 0x62, 0x00, 0xfe};
- if ((base = find_rom_data(0x4000, 0x50000, init_mmu_dat, sizeof(init_mmu_dat))) == 0) return false;
- } else {
- static const uint8 init_mmu_dat[] = {0x0c, 0x47, 0x00, 0x04, 0x62, 0x00, 0xfd};
- if ((base = find_rom_data(0x80000, 0x90000, init_mmu_dat, sizeof(init_mmu_dat))) == 0) return false;
- }
- D(bug("init_mmu %08lx\n", base));
- wp = (uint16 *)(ROMBaseHost + base);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- wp++;
- *wp++ = htons(0x7000); // moveq #0,d0
- *wp = htons(M68K_NOP);
-
- // Patch InitMMU (no RBV present)
- static const uint8 init_mmu2_dat[] = {0x08, 0x06, 0x00, 0x0d, 0x67};
- if (ROMSize <= 0x80000) {
- base = find_rom_data(0x4000, 0x50000, init_mmu2_dat, sizeof(init_mmu2_dat));
- } else {
- base = find_rom_data(0x80000, 0x90000, init_mmu2_dat, sizeof(init_mmu2_dat));
- }
- D(bug("init_mmu2 %08lx\n", base));
- if (base) { // ROM11/10/13/26
- bp = (uint8 *)(ROMBaseHost + base + 4);
- *bp = 0x60; // bra
- }
-
- // Patch InitMMU (don't init MMU)
- static const uint8 init_mmu3_dat[] = {0x0c, 0x2e, 0x00, 0x01, 0xff, 0xe6, 0x66, 0x0c, 0x4c, 0xed, 0x03, 0x87, 0xff, 0xe8};
- if (ROMSize <= 0x80000) {
- if ((base = find_rom_data(0x4000, 0x50000, init_mmu3_dat, sizeof(init_mmu3_dat))) == 0) return false;
- } else {
- if ((base = find_rom_data(0x80000, 0x90000, init_mmu3_dat, sizeof(init_mmu3_dat))) == 0) return false;
- }
- D(bug("init_mmu3 %08lx\n", base));
- wp = (uint16 *)(ROMBaseHost + base + 6);
- *wp = htons(M68K_NOP);
-
- // Replace XPRAM routines
- static const uint8 read_xpram_dat[] = {0x26, 0x4e, 0x41, 0xf9, 0x50, 0xf0, 0x00, 0x00, 0x08, 0x90, 0x00, 0x02};
- base = find_rom_data(0x40000, 0x50000, read_xpram_dat, sizeof(read_xpram_dat));
- D(bug("read_xpram %08lx\n", base));
- if (base) { // ROM10
- wp = (uint16 *)(ROMBaseHost + base);
- *wp++ = htons(M68K_EMUL_OP_READ_XPRAM);
- *wp = htons(0x4ed6); // jmp (a6)
- }
- static const uint8 read_xpram2_dat[] = {0x26, 0x4e, 0x08, 0x92, 0x00, 0x02, 0xea, 0x59, 0x02, 0x01, 0x00, 0x07, 0x00, 0x01, 0x00, 0xb8};
- base = find_rom_data(0x40000, 0x50000, read_xpram2_dat, sizeof(read_xpram2_dat));
- D(bug("read_xpram2 %08lx\n", base));
- if (base) { // ROM11
- wp = (uint16 *)(ROMBaseHost + base);
- *wp++ = htons(M68K_EMUL_OP_READ_XPRAM);
- *wp = htons(0x4ed6); // jmp (a6)
- }
- if (ROMSize > 0x80000) {
- static const uint8 read_xpram3_dat[] = {0x48, 0xe7, 0xe0, 0x60, 0x02, 0x01, 0x00, 0x70, 0x0c, 0x01, 0x00, 0x20};
- base = find_rom_data(0x80000, 0x90000, read_xpram3_dat, sizeof(read_xpram3_dat));
- D(bug("read_xpram3 %08lx\n", base));
- if (base) { // ROM15
- wp = (uint16 *)(ROMBaseHost + base);
- *wp++ = htons(M68K_EMUL_OP_READ_XPRAM2);
- *wp = htons(M68K_RTS);
- }
- }
-
- // Patch ClkNoMem
- base = find_rom_trap(0xa053);
- wp = (uint16 *)(ROMBaseHost + base);
- if (ntohs(*wp) == 0x4ed5) { // ROM23/26/27/32
- static const uint8 clk_no_mem_dat[] = {0x40, 0xc2, 0x00, 0x7c, 0x07, 0x00, 0x48, 0x42};
- if ((base = find_rom_data(0xb0000, 0xb8000, clk_no_mem_dat, sizeof(clk_no_mem_dat))) == 0) return false;
- }
- D(bug("clk_no_mem %08lx\n", base));
- wp = (uint16 *)(ROMBaseHost + base);
- *wp++ = htons(M68K_EMUL_OP_CLKNOMEM);
- *wp = htons(0x4ed5); // jmp (a5)
-
- // Patch BootGlobs
- wp = (uint16 *)(ROMBaseHost + 0x10e);
- *wp++ = htons(M68K_EMUL_OP_PATCH_BOOT_GLOBS);
- *wp = htons(M68K_NOP);
-
- // Don't init SCC
- static const uint8 init_scc_dat[] = {0x08, 0x38, 0x00, 0x01, 0x0d, 0xd1, 0x67, 0x04};
- if ((base = find_rom_data(0xa00, 0xa80, init_scc_dat, sizeof(init_scc_dat))) == 0) return false;
- D(bug("init_scc %08lx\n", base));
- wp = (uint16 *)(ROMBaseHost + base);
- *wp = htons(M68K_RTS);
-
- // Don't access 0x50f1a101
- wp = (uint16 *)(ROMBaseHost + 0x4232);
- if (ntohs(wp[1]) == 0x50f1 && ntohs(wp[2]) == 0xa101) { // ROM32
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
- }
-
- // Don't init IWM
- wp = (uint16 *)(ROMBaseHost + 0x9c0);
- *wp = htons(M68K_RTS);
-
- // Don't init SCSI
- wp = (uint16 *)(ROMBaseHost + 0x9a0);
- *wp = htons(M68K_RTS);
-
- // Don't init ASC
- static const uint8 init_asc_dat[] = {0x26, 0x68, 0x00, 0x30, 0x12, 0x00, 0xeb, 0x01};
- base = find_rom_data(0x4000, 0x5000, init_asc_dat, sizeof(init_asc_dat));
- D(bug("init_asc %08lx\n", base));
- if (base) { // ROM15/22/23/26/27/32
- wp = (uint16 *)(ROMBaseHost + base);
- *wp = htons(0x4ed6); // jmp (a6)
- }
-
- // Don't EnableExtCache
- wp = (uint16 *)(ROMBaseHost + 0x190);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
-
- // Don't DisableIntSources
- wp = (uint16 *)(ROMBaseHost + 0x9f4c);
- *wp = htons(M68K_RTS);
-
- // Fake CPU speed test (SetupTimeK)
- // *** increased jl : MacsBug uses TimeDBRA for kbd repeat timing
- wp = (uint16 *)(ROMBaseHost + 0x800);
- *wp++ = htons(0x31fc); // move.w #xxx,TimeDBRA
- *wp++ = htons(10000);
- *wp++ = htons(0x0d00);
- *wp++ = htons(0x31fc); // move.w #xxx,TimeSCCDBRA
- *wp++ = htons(10000);
- *wp++ = htons(0x0d02);
- *wp++ = htons(0x31fc); // move.w #xxx,TimeSCSIDBRA
- *wp++ = htons(10000);
- *wp++ = htons(0x0b24);
- *wp++ = htons(0x31fc); // move.w #xxx,TimeRAMDBRA
- *wp++ = htons(10000);
- *wp++ = htons(0x0cea);
- *wp = htons(M68K_RTS);
-
- #if REAL_ADDRESSING
- // Move system zone to start of Mac RAM
- wp = (uint16 *)(ROMBaseHost + 0x50a);
- *wp++ = htons(HiWord(RAMBaseMac + 0x2000));
- *wp++ = htons(LoWord(RAMBaseMac + 0x2000));
- *wp++ = htons(HiWord(RAMBaseMac + 0x3800));
- *wp = htons(LoWord(RAMBaseMac + 0x3800));
- #endif
-
- #if !ROM_IS_WRITE_PROTECTED
- #if defined(USE_SCRATCHMEM_SUBTERFUGE)
- // Set fake handle at 0x0000 to scratch memory area (so broken Mac programs won't write into Mac ROM)
- extern uint8 *ScratchMem;
- const uint32 ScratchMemBase = Host2MacAddr(ScratchMem);
- wp = (uint16 *)(ROMBaseHost + 0xccaa);
- *wp++ = htons(0x203c); // move.l #ScratchMem,d0
- *wp++ = htons(ScratchMemBase >> 16);
- *wp = htons(ScratchMemBase);
- #else
- #error System specific handling for writable ROM is required here
- #endif
- #endif
-
- #if REAL_ADDRESSING && defined(AMIGA)
- // Don't overwrite SysBase under AmigaOS
- wp = (uint16 *)(ROMBaseHost + 0xccb4);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
- #endif
-
- #if REAL_ADDRESSING && !defined(AMIGA)
- // gb-- Temporary hack to get rid of crashes in Speedometer
- wp = (uint16 *)(ROMBaseHost + 0xdba2);
- if (ntohs(*wp) == 0x662c) // bne.b #$2c
- *wp = htons(0x602c); // bra.b #$2c
- #endif
-
- // Don't write to VIA in InitTimeMgr
- wp = (uint16 *)(ROMBaseHost + 0xb0e2);
- *wp++ = htons(0x4cdf); // movem.l (sp)+,d0-d5/a0-a4
- *wp++ = htons(0x1f3f);
- *wp = htons(M68K_RTS);
-
- // Don't read ModelID from 0x5ffffffc
- static const uint8 model_id_dat[] = {0x20, 0x7c, 0x5f, 0xff, 0xff, 0xfc, 0x72, 0x07, 0xc2, 0x90};
- base = find_rom_data(0x40000, 0x50000, model_id_dat, sizeof(model_id_dat));
- D(bug("model_id %08lx\n", base));
- if (base) { // ROM20
- wp = (uint16 *)(ROMBaseHost + base + 8);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
- }
-
- // Don't read ModelID from 0x5ffffffc
- static const uint8 model_id2_dat[] = {0x45, 0xf9, 0x5f, 0xff, 0xff, 0xfc, 0x20, 0x12};
- base = find_rom_data(0x4000, 0x5000, model_id2_dat, sizeof(model_id2_dat));
- D(bug("model_id2 %08lx\n", base));
- if (base) { // ROM27/32
- wp = (uint16 *)(ROMBaseHost + base + 6);
- *wp++ = htons(0x7000); // moveq #0,d0
- *wp++ = htons(0xb040); // cmp.w d0,d0
- *wp = htons(0x4ed6); // jmp (a6)
- }
-
- // Install slot ROM
- if (!InstallSlotROM())
- return false;
-
- // Don't probe NuBus slots
- static const uint8 nubus_dat[] = {0x45, 0xfa, 0x00, 0x0a, 0x42, 0xa7, 0x10, 0x11};
- base = find_rom_data(0x5000, 0x6000, nubus_dat, sizeof(nubus_dat));
- D(bug("nubus %08lx\n", base));
- if (base) { // ROM10/11
- wp = (uint16 *)(ROMBaseHost + base + 6);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
- }
-
- // Don't EnableOneSecInts
- static const uint8 lea_dat[] = {0x41, 0xf9};
- if ((base = find_rom_data(0x226, 0x22a, lea_dat, sizeof(lea_dat))) == 0) return false;
- D(bug("enable_one_sec_ints %08lx\n", base));
- wp = (uint16 *)(ROMBaseHost + base);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
-
- // Don't EnableParityPatch/Enable60HzInts
- if ((base = find_rom_data(0x230, 0x234, lea_dat, sizeof(lea_dat))) == 0) {
- wp = (uint16 *)(ROMBaseHost + 0x230);
- if (ntohs(*wp) == 0x6100) // ROM11
- base = 0x230;
- else
- return false;
- }
- D(bug("enable_60hz_ints %08lx\n", base));
- wp = (uint16 *)(ROMBaseHost + base);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
-
- // Compute boot stack pointer and fix logical/physical RAM size (CompBootStack) (must be done after InitMemMgr!)
- wp = (uint16 *)(ROMBaseHost + 0x490);
- *wp++ = htons(0x2038); // move.l $10c,d0
- *wp++ = htons(0x010c);
- *wp++ = htons(0xd0b8); // add.l $2a6,d0
- *wp++ = htons(0x02a6);
- *wp++ = htons(0xe288); // lsr.l #1,d0
- *wp++ = htons(0x0880); // bclr #0,d0
- *wp++ = htons(0x0000);
- *wp++ = htons(0x0440); // subi.w #$400,d0
- *wp++ = htons(0x0400);
- *wp++ = htons(0x2040); // move.l d0,a0
- *wp++ = htons(M68K_EMUL_OP_FIX_MEMSIZE);
- *wp++ = htons(M68K_RTS);
-
- 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};
- base = find_rom_data(0x4c000, 0x4c080, fix_memsize2_dat, sizeof(fix_memsize2_dat));
- D(bug("fix_memsize2 %08lx\n", base));
- if (base) { // ROM15/22/23/26/27/32
- wp = (uint16 *)(ROMBaseHost + base + 16);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
- }
-
- // Don't open .Sound driver but install our own drivers
- wp = (uint16 *)(ROMBaseHost + 0x1142);
- *wp = htons(M68K_EMUL_OP_INSTALL_DRIVERS);
-
- // Don't access SonyVars
- wp = (uint16 *)(ROMBaseHost + 0x1144);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- wp += 2;
- *wp = htons(M68K_NOP);
-
- // Don't write to VIA in InitADB
- wp = (uint16 *)(ROMBaseHost + 0xa8a8);
- if (*wp == 0) { // ROM22/23/26/27/32
- wp = (uint16 *)(ROMBaseHost + 0xb2c6a);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
- wp = (uint16 *)(ROMBaseHost + 0xb2d2e);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- wp += 2;
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
- } else {
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
- wp = (uint16 *)(ROMBaseHost + 0xa662);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- wp += 2;
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
- }
-
- // Don't EnableSlotInts
- if ((base = find_rom_data(0x2ee, 0x2f2, lea_dat, sizeof(lea_dat))) == 0) return false;
- D(bug("enable_slot_ints %08lx\n", base));
- wp = (uint16 *)(ROMBaseHost + base);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
-
- // Don't mangle frame buffer base (GetDevBase)
- wp = (uint16 *)(ROMBaseHost + 0x5b78);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(0x2401); // move.l d1,d2
- *wp = htons(0x605e); // bra 0x40805bde
-
- // Really don't mangle frame buffer base
- if (ROMSize > 0x80000) {
- static const uint8 frame_base_dat[] = {0x22, 0x78, 0x0d, 0xd8, 0xd3, 0xe9, 0x00, 0x08};
- base = find_rom_data(0x8c000, 0x8d000, frame_base_dat, sizeof(frame_base_dat));
- D(bug("frame_base %08lx\n", base));
- if (base) { // ROM22/23/26/27/32
- wp = (uint16 *)(ROMBaseHost + base);
- *wp++ = htons(0x2401); // move.l d1,d2
- *wp = htons(M68K_RTS);
- }
- }
-
- // Don't write to VIA2
- static const uint8 via2_dat[] = {0x20, 0x78, 0x0c, 0xec, 0x11, 0x7c, 0x00, 0x90};
- if ((base = find_rom_data(0xa000, 0xa400, via2_dat, sizeof(via2_dat))) == 0) return false;
- D(bug("via2 %08lx\n", base));
- wp = (uint16 *)(ROMBaseHost + base + 4);
- *wp = htons(M68K_RTS);
-
- // Don't write to VIA2, even on ROM20
- static const uint8 via2b_dat[] = {0x20, 0x78, 0x0c, 0xec, 0x11, 0x7c, 0x00, 0x90, 0x00, 0x13, 0x4e, 0x75};
- base = find_rom_data(0x40000, 0x44000, via2b_dat, sizeof(via2b_dat));
- D(bug("via2b %08lx\n", base));
- if (base) { // ROM19/20
- wp = (uint16 *)(ROMBaseHost + base + 4);
- *wp = htons(M68K_RTS);
- }
-
- // Don't use PTEST instruction on 68040/060
- if (ROMSize > 0x80000) {
-
- // BlockMove()
- static const uint8 bmove_dat[] = {0x20, 0x5f, 0x22, 0x5f, 0x0c, 0x38, 0x00, 0x04, 0x01, 0x2f};
- base = find_rom_data(0x87000, 0x87800, bmove_dat, sizeof(bmove_dat));
- D(bug("block_move %08lx\n", base));
- if (base) { // ROM15/22/23/26/27/32
- wp = (uint16 *)(ROMBaseHost + base + 4);
- *wp++ = htons(M68K_EMUL_OP_BLOCK_MOVE);
- *wp++ = htons(0x7000);
- *wp = htons(M68K_RTS);
- }
-
- // SANE
- static const uint8 ptest2_dat[] = {0x0c, 0x38, 0x00, 0x04, 0x01, 0x2f, 0x6d, 0x54, 0x48, 0xe7, 0xf8, 0x60};
- base = find_rom_data(0, ROMSize, ptest2_dat, sizeof(ptest2_dat));
- D(bug("ptest2 %08lx\n", base));
- if (base) { // ROM15/20/22/23/26/27/32
- wp = (uint16 *)(ROMBaseHost + base + 8);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(0xf4f8); // cpusha dc/ic
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(0x7000); // moveq #0,d0
- *wp = htons(M68K_RTS);
- }
- }
-
- // Don't set MemoryDispatch() to unimplemented trap
- static const uint8 memdisp_dat[] = {0x30, 0x3c, 0xa8, 0x9f, 0xa7, 0x46, 0x30, 0x3c, 0xa0, 0x5c, 0xa2, 0x47};
- base = find_rom_data(0x4f100, 0x4f180, memdisp_dat, sizeof(memdisp_dat));
- D(bug("memdisp %08lx\n", base));
- if (base) { // ROM15/22/23/26/27/32
- wp = (uint16 *)(ROMBaseHost + base + 10);
- *wp = htons(M68K_NOP);
- }
-
- // Patch .EDisk driver (don't scan for EDisks in the area ROMBase..0xe00000)
- uint32 edisk_offset = find_rom_resource(FOURCC('D','R','V','R'), 51);
- if (edisk_offset) {
- static const uint8 edisk_dat[] = {0xd5, 0xfc, 0x00, 0x01, 0x00, 0x00, 0xb5, 0xfc, 0x00, 0xe0, 0x00, 0x00};
- base = find_rom_data(edisk_offset, edisk_offset + 0x10000, edisk_dat, sizeof(edisk_dat));
- D(bug("edisk %08lx\n", base));
- if (base) {
- wp = (uint16 *)(ROMBaseHost + base + 8);
- *wp++ = 0;
- *wp = 0;
- }
- }
-
- // Replace .Sony driver
- sony_offset = find_rom_resource(FOURCC('D','R','V','R'), 4);
- D(bug("sony %08lx\n", sony_offset));
- memcpy(ROMBaseHost + sony_offset, sony_driver, sizeof(sony_driver));
-
- // Install .Disk and .AppleCD drivers
- memcpy(ROMBaseHost + sony_offset + 0x100, disk_driver, sizeof(disk_driver));
- memcpy(ROMBaseHost + sony_offset + 0x200, cdrom_driver, sizeof(cdrom_driver));
-
- // Copy icons to ROM
- SonyDiskIconAddr = ROMBaseMac + sony_offset + 0x400;
- memcpy(ROMBaseHost + sony_offset + 0x400, SonyDiskIcon, sizeof(SonyDiskIcon));
- SonyDriveIconAddr = ROMBaseMac + sony_offset + 0x600;
- memcpy(ROMBaseHost + sony_offset + 0x600, SonyDriveIcon, sizeof(SonyDriveIcon));
- DiskIconAddr = ROMBaseMac + sony_offset + 0x800;
- memcpy(ROMBaseHost + sony_offset + 0x800, DiskIcon, sizeof(DiskIcon));
- CDROMIconAddr = ROMBaseMac + sony_offset + 0xa00;
- memcpy(ROMBaseHost + sony_offset + 0xa00, CDROMIcon, sizeof(CDROMIcon));
-
- // Install SERD patch and serial drivers
- serd_offset = find_rom_resource(FOURCC('S','E','R','D'), 0);
- D(bug("serd %08lx\n", serd_offset));
- wp = (uint16 *)(ROMBaseHost + serd_offset + 12);
- *wp++ = htons(M68K_EMUL_OP_SERD);
- *wp = htons(M68K_RTS);
- memcpy(ROMBaseHost + serd_offset + 0x100, ain_driver, sizeof(ain_driver));
- memcpy(ROMBaseHost + serd_offset + 0x200, aout_driver, sizeof(aout_driver));
- memcpy(ROMBaseHost + serd_offset + 0x300, bin_driver, sizeof(bin_driver));
- memcpy(ROMBaseHost + serd_offset + 0x400, bout_driver, sizeof(bout_driver));
-
- // Replace ADBOp()
- memcpy(ROMBaseHost + find_rom_trap(0xa07c), adbop_patch, sizeof(adbop_patch));
-
- // Replace Time Manager (the Microseconds patch is activated in InstallDrivers())
- wp = (uint16 *)(ROMBaseHost + find_rom_trap(0xa058));
- *wp++ = htons(M68K_EMUL_OP_INSTIME);
- *wp = htons(M68K_RTS);
- wp = (uint16 *)(ROMBaseHost + find_rom_trap(0xa059));
- *wp++ = htons(0x40e7); // move sr,-(sp)
- *wp++ = htons(0x007c); // ori #$0700,sr
- *wp++ = htons(0x0700);
- *wp++ = htons(M68K_EMUL_OP_RMVTIME);
- *wp++ = htons(0x46df); // move (sp)+,sr
- *wp = htons(M68K_RTS);
- wp = (uint16 *)(ROMBaseHost + find_rom_trap(0xa05a));
- *wp++ = htons(0x40e7); // move sr,-(sp)
- *wp++ = htons(0x007c); // ori #$0700,sr
- *wp++ = htons(0x0700);
- *wp++ = htons(M68K_EMUL_OP_PRIMETIME);
- *wp++ = htons(0x46df); // move (sp)+,sr
- *wp++ = htons(M68K_RTS);
- microseconds_offset = (uint8 *)wp - ROMBaseHost;
- *wp++ = htons(M68K_EMUL_OP_MICROSECONDS);
- *wp++ = htons(M68K_RTS);
-
- // Replace DebugUtil
- debugutil_offset = (uint8 *)wp - ROMBaseHost;
- *wp++ = htons(M68K_EMUL_OP_DEBUGUTIL);
- *wp = htons(M68K_RTS);
-
- // Replace SCSIDispatch()
- wp = (uint16 *)(ROMBaseHost + find_rom_trap(0xa815));
- *wp++ = htons(M68K_EMUL_OP_SCSI_DISPATCH);
- *wp++ = htons(0x2e49); // move.l a1,a7
- *wp = htons(M68K_JMP_A0);
-
- // Modify vCheckLoad() so we can patch resources
- wp = (uint16 *)(ROMBaseHost + 0x1b8f4);
- *wp++ = htons(M68K_JMP);
- *wp++ = htons((ROMBaseMac + sony_offset + 0x300) >> 16);
- *wp = htons((ROMBaseMac + sony_offset + 0x300) & 0xffff);
- wp = (uint16 *)(ROMBaseHost + sony_offset + 0x300);
- *wp++ = htons(0x2f03); // move.l d3,-(sp) (save type)
- *wp++ = htons(0x2078); // move.l $07f0,a0
- *wp++ = htons(0x07f0);
- *wp++ = htons(M68K_JSR_A0);
- *wp++ = htons(0x221f); // move.l (sp)+,d1 (restore type)
- *wp++ = htons(M68K_EMUL_OP_CHECKLOAD);
- *wp = htons(M68K_RTS);
-
- // Patch PowerOff()
- wp = (uint16 *)(ROMBaseHost + find_rom_trap(0xa05b)); // PowerOff()
- *wp = htons(M68K_EMUL_OP_SHUTDOWN);
-
- // Install PutScrap() patch for clipboard data exchange (the patch is activated by EMUL_OP_INSTALL_DRIVERS)
- PutScrapPatch = ROMBaseMac + sony_offset + 0xc00;
- base = ROMBaseMac + find_rom_trap(0xa9fe);
- wp = (uint16 *)(ROMBaseHost + sony_offset + 0xc00);
- *wp++ = htons(M68K_EMUL_OP_PUT_SCRAP);
- *wp++ = htons(M68K_JMP);
- *wp++ = htons(base >> 16);
- *wp = htons(base & 0xffff);
-
- // Look for double PACK 4 resources
- if ((base = find_rom_resource(FOURCC('P','A','C','K'), 4)) == 0) return false;
- if ((base = find_rom_resource(FOURCC('P','A','C','K'), 4, true)) == 0 && FPUType == 0)
- printf("WARNING: This ROM seems to require an FPU\n");
-
- // Patch VIA interrupt handler
- wp = (uint16 *)(ROMBaseHost + 0x9bc4); // Level 1 handler
- *wp++ = htons(0x7002); // moveq #2,d0 (always 60Hz interrupt)
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp++ = htons(M68K_NOP);
- *wp = htons(M68K_NOP);
-
- wp = (uint16 *)(ROMBaseHost + 0xa29a); // 60Hz handler (handles everything)
- *wp++ = htons(M68K_EMUL_OP_IRQ);
- *wp++ = htons(0x4a80); // tst.l d0
- *wp = htons(0x67f4); // beq 0x4080a294
- return true;
- }
-
- bool PatchROM(void)
- {
- // Print some information about the ROM
- if (PrintROMInfo)
- print_rom_info();
-
- // Patch ROM depending on version
- switch (ROMVersion) {
- case ROM_VERSION_CLASSIC:
- if (!patch_rom_classic())
- return false;
- break;
- case ROM_VERSION_32:
- if (!patch_rom_32())
- return false;
- break;
- default:
- return false;
- }
-
- // Install breakpoint
- if (ROMBreakpoint) {
- uint16 *wp = (uint16 *)(ROMBaseHost + ROMBreakpoint);
- *wp = htons(M68K_EMUL_BREAK);
- }
-
- // Clear caches as we loaded and patched code
- FlushCodeCache(ROMBaseHost, ROMSize);
- return true;
- }
-