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/* |
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* main_amiga.cpp - Startup code for AmigaOS |
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* |
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* Basilisk II (C) 1997-2000 Christian Bauer |
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* Basilisk II (C) 1997-2001 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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QuitEmulator(); |
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GadToolsBase = OpenLibrary((UBYTE *)"gadtools.library", 39); |
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if (GadToolsBase == NULL) { |
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ErrorAlert(GetString(STR_NO_GADTOOLS_LIB_ERR)); |
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ErrorAlert(STR_NO_GADTOOLS_LIB_ERR); |
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QuitEmulator(); |
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} |
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IFFParseBase = OpenLibrary((UBYTE *)"iffparse.library", 39); |
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if (IFFParseBase == NULL) { |
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ErrorAlert(GetString(STR_NO_IFFPARSE_LIB_ERR)); |
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ErrorAlert(STR_NO_IFFPARSE_LIB_ERR); |
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QuitEmulator(); |
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} |
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AslBase = OpenLibrary((UBYTE *)"asl.library", 36); |
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if (AslBase == NULL) { |
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ErrorAlert(GetString(STR_NO_ASL_LIB_ERR)); |
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ErrorAlert(STR_NO_ASL_LIB_ERR); |
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QuitEmulator(); |
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} |
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if (FindTask((UBYTE *) "« Enforcer »")) |
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{ |
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ErrorAlert(STR_ENFORCER_RUNNING_ERR); |
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QuitEmulator(); |
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} |
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|
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// These two can fail (the respective gfx support won't be available, then) |
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P96Base = OpenLibrary((UBYTE *)"Picasso96API.library", 2); |
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CyberGfxBase = OpenLibrary((UBYTE *)"cybergraphics.library", 2); |
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// Check start of Chip memory (because we need access to 0x0000..0x2000) |
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if ((uint32)FindName(&SysBase->MemList, (UBYTE *)"chip memory") < 0x2000) { |
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ErrorAlert(GetString(STR_NO_PREPARE_EMUL_ERR)); |
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ErrorAlert(STR_NO_PREPARE_EMUL_ERR); |
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QuitEmulator(); |
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} |
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// Open timer.device |
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timereq = (struct timerequest *)AllocVec(sizeof(timerequest), MEMF_PUBLIC | MEMF_CLEAR); |
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if (timereq == NULL) { |
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ErrorAlert(GetString(STR_NO_MEM_ERR)); |
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ErrorAlert(STR_NO_MEM_ERR); |
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QuitEmulator(); |
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} |
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if (OpenDevice((UBYTE *)TIMERNAME, UNIT_MICROHZ, (struct IORequest *)timereq, 0)) { |
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ErrorAlert(GetString(STR_NO_TIMER_DEV_ERR)); |
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ErrorAlert(STR_NO_TIMER_DEV_ERR); |
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QuitEmulator(); |
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} |
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TimerBase = (struct Library *)timereq->tr_node.io_Device; |
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// Allocate scratch memory |
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ScratchMem = (uint8 *)AllocMem(SCRATCH_MEM_SIZE, MEMF_PUBLIC); |
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if (ScratchMem == NULL) { |
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ErrorAlert(GetString(STR_NO_MEM_ERR)); |
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ErrorAlert(STR_NO_MEM_ERR); |
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QuitEmulator(); |
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} |
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ScratchMem += SCRATCH_MEM_SIZE/2; // ScratchMem points to middle of block |
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RAMSize = newRAMSize; |
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RAMBaseHost = (uint8 *)AllocVec(RAMSize + 0x100000, MEMF_PUBLIC); |
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if (RAMBaseHost == NULL) { |
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ErrorAlert(GetString(STR_NO_MEM_ERR)); |
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ErrorAlert(STR_NO_MEM_ERR); |
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QuitEmulator(); |
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} |
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} |
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// Load Mac ROM |
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BPTR rom_fh = Open(rom_path ? (char *)rom_path : (char *)ROM_FILE_NAME, MODE_OLDFILE); |
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if (rom_fh == NULL) { |
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ErrorAlert(GetString(STR_NO_ROM_FILE_ERR)); |
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if (rom_fh == 0) { |
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ErrorAlert(STR_NO_ROM_FILE_ERR); |
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QuitEmulator(); |
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} |
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printf(GetString(STR_READING_ROM_FILE)); |
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Seek(rom_fh, 0, OFFSET_END); |
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ROMSize = Seek(rom_fh, 0, OFFSET_CURRENT); |
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if (ROMSize != 512*1024 && ROMSize != 1024*1024) { |
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ErrorAlert(GetString(STR_ROM_SIZE_ERR)); |
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ErrorAlert(STR_ROM_SIZE_ERR); |
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Close(rom_fh); |
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QuitEmulator(); |
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} |
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Seek(rom_fh, 0, OFFSET_BEGINNING); |
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if (Read(rom_fh, ROMBaseHost, ROMSize) != ROMSize) { |
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ErrorAlert(GetString(STR_ROM_FILE_READ_ERR)); |
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ErrorAlert(STR_ROM_FILE_READ_ERR); |
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Close(rom_fh); |
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QuitEmulator(); |
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} |
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/* |
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* Mutexes |
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*/ |
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|
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struct B2_mutex { |
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int dummy; //!! |
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}; |
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|
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B2_mutex *B2_create_mutex(void) |
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{ |
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return new B2_mutex; |
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} |
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|
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void B2_lock_mutex(B2_mutex *mutex) |
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{ |
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} |
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|
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void B2_unlock_mutex(B2_mutex *mutex) |
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{ |
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} |
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|
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void B2_delete_mutex(B2_mutex *mutex) |
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{ |
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delete mutex; |
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} |
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|
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|
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/* |
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* Interrupt flags (must be handled atomically!) |
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*/ |
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static __saveds void xpram_func(void) |
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{ |
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uint8 last_xpram[256]; |
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memcpy(last_xpram, XPRAM, 256); |
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uint8 last_xpram[XPRAM_SIZE]; |
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memcpy(last_xpram, XPRAM, XPRAM_SIZE); |
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while (xpram_proc_active) { |
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for (int i=0; i<60 && xpram_proc_active; i++) |
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Delay(50); // Only wait 1 second so we quit promptly when xpram_proc_active becomes false |
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if (memcmp(last_xpram, XPRAM, 256)) { |
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memcpy(last_xpram, XPRAM, 256); |
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if (memcmp(last_xpram, XPRAM, XPRAM_SIZE)) { |
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memcpy(last_xpram, XPRAM, XPRAM_SIZE); |
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SaveXPRAM(); |
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} |
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} |
