Major code cleanup and code reformating
This commit is contained in:
Godzil
531
source/ws.c
531
source/ws.c
@@ -1,5 +1,10 @@
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////////////////////////////////////////////////////////////////////////////////
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// Wonderswan emulator
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/*
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* NewOswan
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* ws.c: Base wonderswan implementation
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* Based on the original Oswan-unix
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* Copyright (c) 2014-2021 986-Studio. All rights reserved.
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*
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*/
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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@@ -43,14 +48,14 @@
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//
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////////////////////////////////////////////////////////////////////////////////
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uint32_t ws_cycles;
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uint32_t ws_skip;
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uint32_t ws_cyclesByLine=0;
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uint32_t vblank_count=0;
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uint32_t ws_cycles;
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uint32_t ws_skip;
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uint32_t ws_cyclesByLine = 0;
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uint32_t vblank_count = 0;
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char *ws_sram_path = NULL;
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char *ws_ieep_path = NULL;
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char *ws_rom_path = NULL;
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char *ws_rom_path = NULL;
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wssystem_t systemType;
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////////////////////////////////////////////////////////////////////////////////
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@@ -67,15 +72,15 @@ wssystem_t systemType;
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void ws_patchRom(void)
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{
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uint8_t *rom=memory_getRom();
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uint32_t romSize=memory_getRomSize();
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uint8_t *rom = memory_getRom();
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uint32_t romSize = memory_getRomSize();
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fprintf(log_get(),"developper Id: 0x%.2x\nGame Id: 0x%.2x\n",rom[romSize-10],rom[romSize-8]);
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fprintf(log_get(), "developper Id: 0x%.2x\nGame Id: 0x%.2x\n", rom[romSize - 10], rom[romSize - 8]);
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if (!ws_cyclesByLine)
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{
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ws_cyclesByLine=256;
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}
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if (!ws_cyclesByLine)
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{
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ws_cyclesByLine = 256;
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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@@ -91,53 +96,53 @@ void ws_patchRom(void)
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////////////////////////////////////////////////////////////////////////////////
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int ws_init(char *rompath)
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{
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uint8_t *rom;
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uint32_t romSize;
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uint8_t *rom;
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uint32_t romSize;
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if ((rom=ws_rom_load(rompath,&romSize))==NULL)
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{
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printf("Error: cannot load %s\n",rompath);
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return(0);
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}
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if ((rom = ws_rom_load(rompath, &romSize)) == NULL)
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{
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printf("Error: cannot load %s\n", rompath);
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return (0);
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}
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ws_memory_init(rom, romSize);
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ws_patchRom();
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ws_memory_init(rom, romSize);
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ws_patchRom();
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ws_staticRam = (uint8_t *)load_file(ws_ieep_path);
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if (ws_staticRam == NULL)
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{
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ws_staticRam = (uint8_t *)create_file(ws_sram_path, 0x10000);
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}
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ws_staticRam = (uint8_t *)load_file(ws_ieep_path);
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if (ws_staticRam == NULL)
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{
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ws_staticRam = (uint8_t *)create_file(ws_sram_path, 0x10000);
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}
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if (ws_staticRam == NULL)
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{
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printf("Card SRAM load error!\n");
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return 0;
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}
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if (ws_staticRam == NULL)
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{
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printf("Card SRAM load error!\n");
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return 0;
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}
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externalEeprom = (uint8_t *)load_file(ws_ieep_path);
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if (externalEeprom == NULL)
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{
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externalEeprom = (uint8_t *)create_file(ws_ieep_path, 0x100000);
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}
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if (externalEeprom == NULL)
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{
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printf("Card EEPROM load error!\n");
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return 0;
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}
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externalEeprom = (uint8_t *)load_file(ws_ieep_path);
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if (externalEeprom == NULL)
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{
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externalEeprom = (uint8_t *)create_file(ws_ieep_path, 0x100000);
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}
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if (externalEeprom == NULL)
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{
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printf("Card EEPROM load error!\n");
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return 0;
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}
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ws_io_init();
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ws_audio_init();
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ws_gpu_init();
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ws_io_init();
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ws_audio_init();
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ws_gpu_init();
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if (ws_rotated())
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{
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ws_io_flipControls();
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}
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if (ws_rotated())
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{
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ws_io_flipControls();
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}
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return(1);
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return (1);
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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////////////////////////////////////////////////////////////////////////////////
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@@ -151,13 +156,14 @@ int ws_init(char *rompath)
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////////////////////////////////////////////////////////////////////////////////
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void ws_reset(void)
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{
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ws_memory_reset();
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ws_io_reset();
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ws_audio_reset();
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ws_gpu_reset();
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nec_reset(NULL);
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nec_set_reg(NEC_SP,0x2000);
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ws_memory_reset();
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ws_io_reset();
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ws_audio_reset();
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ws_gpu_reset();
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nec_reset(NULL);
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nec_set_reg(NEC_SP, 0x2000);
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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////////////////////////////////////////////////////////////////////////////////
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@@ -171,100 +177,101 @@ void ws_reset(void)
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////////////////////////////////////////////////////////////////////////////////
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int ws_executeLine(int16_t *framebuffer, int renderLine)
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{
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int drawWholeScreen=0;
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int drawWholeScreen = 0;
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ws_audio_process();
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ws_audio_process();
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// update scanline register
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ws_ioRam[2]=ws_gpu_scanline;
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// update scanline register
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ws_ioRam[2] = ws_gpu_scanline;
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/* Why twice like that and random cycle count???? */
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ws_cycles=nec_execute((ws_cyclesByLine>>1)+(rand()&7));
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ws_cycles+=nec_execute((ws_cyclesByLine>>1)+(rand()&7));
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/* Why twice like that and random cycle count???? */
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ws_cycles = nec_execute((ws_cyclesByLine >> 1) + (rand() & 7));
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ws_cycles += nec_execute((ws_cyclesByLine >> 1) + (rand() & 7));
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if(ws_cycles>=ws_cyclesByLine+ws_cyclesByLine)
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{
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ws_skip=ws_cycles/ws_cyclesByLine;
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}
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else
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{
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ws_skip=1;
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}
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if (ws_cycles >= ws_cyclesByLine + ws_cyclesByLine)
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{
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ws_skip = ws_cycles / ws_cyclesByLine;
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}
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else
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{
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ws_skip = 1;
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}
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ws_cycles%=ws_cyclesByLine;
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ws_cycles %= ws_cyclesByLine;
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for(uint32_t uI=0; uI<ws_skip; uI++)
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{
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if (renderLine)
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{
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ws_gpu_renderScanline(framebuffer);
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}
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for (uint32_t uI = 0 ; uI < ws_skip ; uI++)
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{
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if (renderLine)
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{
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ws_gpu_renderScanline(framebuffer);
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}
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ws_gpu_scanline++;
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ws_gpu_scanline++;
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if(ws_gpu_scanline==144)
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{
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drawWholeScreen=1;
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}
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if (ws_gpu_scanline == 144)
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{
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drawWholeScreen = 1;
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}
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}
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}
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if(ws_gpu_scanline>158)
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{
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ws_gpu_scanline=0;
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{
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if((ws_ioRam[0xb2]&32)) /* VBLANK Timer */
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{
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/* TODO: REPAIR THAT SHIT */
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ws_ioRam[0xb6]&=~32;
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nec_int((ws_ioRam[0xb0]+5)*4);
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}
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}
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}
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if (ws_gpu_scanline > 158)
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{
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ws_gpu_scanline = 0;
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{
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if ((ws_ioRam[0xb2] & 32)) /* VBLANK Timer */
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{
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/* TODO: REPAIR THAT SHIT */
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ws_ioRam[0xb6] &= ~32;
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nec_int((ws_ioRam[0xb0] + 5) * 4);
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}
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}
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}
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ws_ioRam[2]=ws_gpu_scanline;
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ws_ioRam[2] = ws_gpu_scanline;
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if(drawWholeScreen)
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{
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if (drawWholeScreen)
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{
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if(ws_ioRam[0xb2]&64) /* VBLANK INT */
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{
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ws_ioRam[0xb6]&=~64;
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nec_int((ws_ioRam[0xb0]+6)*4);
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}
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if (ws_ioRam[0xb2] & 64) /* VBLANK INT */
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{
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ws_ioRam[0xb6] &= ~64;
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nec_int((ws_ioRam[0xb0] + 6) * 4);
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}
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vblank_count++;
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}
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vblank_count++;
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}
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if(ws_ioRam[0xa4]&&(ws_ioRam[0xb2]&128)) /*HBLANK TMR*/
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{
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/* TODO: Check that shit */
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if(!ws_ioRam[0xa5])
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{
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ws_ioRam[0xa5]=ws_ioRam[0xa4];
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}
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if (ws_ioRam[0xa4] && (ws_ioRam[0xb2] & 128)) /*HBLANK TMR*/
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{
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/* TODO: Check that shit */
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if (!ws_ioRam[0xa5])
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{
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ws_ioRam[0xa5] = ws_ioRam[0xa4];
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}
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if(ws_ioRam[0xa5])
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{
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ws_ioRam[0xa5]--;
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}
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if (ws_ioRam[0xa5])
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{
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ws_ioRam[0xa5]--;
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}
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if((!ws_ioRam[0xa5])&&(ws_ioRam[0xb2]&128))
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{
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if ((!ws_ioRam[0xa5]) && (ws_ioRam[0xb2] & 128))
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{
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ws_ioRam[0xb6]&=~128;
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nec_int((ws_ioRam[0xb0]+7)*4);
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}
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}
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ws_ioRam[0xb6] &= ~128;
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nec_int((ws_ioRam[0xb0] + 7) * 4);
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}
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}
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if((ws_ioRam[0x2]==ws_ioRam[0x3])&&(ws_ioRam[0xb2]&16)) /*SCANLINE INT*/
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{
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ws_ioRam[0xb6]&=~16;
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nec_int((ws_ioRam[0xb0]+4)*4);
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}
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if ((ws_ioRam[0x2] == ws_ioRam[0x3]) && (ws_ioRam[0xb2] & 16)) /*SCANLINE INT*/
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{
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ws_ioRam[0xb6] &= ~16;
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nec_int((ws_ioRam[0xb0] + 4) * 4);
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}
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return(drawWholeScreen);
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return (drawWholeScreen);
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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////////////////////////////////////////////////////////////////////////////////
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@@ -278,11 +285,12 @@ int ws_executeLine(int16_t *framebuffer, int renderLine)
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////////////////////////////////////////////////////////////////////////////////
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void ws_done(void)
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{
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ws_memory_done();
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ws_io_done();
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ws_audio_done();
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ws_gpu_done();
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ws_memory_done();
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ws_io_done();
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ws_audio_done();
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ws_gpu_done();
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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////////////////////////////////////////////////////////////////////////////////
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@@ -318,67 +326,67 @@ wssystem_t ws_get_system()
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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#define MacroLoadNecRegisterFromFile(F,R) \
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read(fp,&value,sizeof(value)); \
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nec_set_reg(R,value);
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#define MacroLoadNecRegisterFromFile(F, R) \
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read(fp,&value,sizeof(value)); \
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nec_set_reg(R,value);
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int ws_loadState(char *statepath)
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int ws_loadState(char *statepath)
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{
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fprintf(log_get(),"loading %s\n",statepath);
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uint16_t crc=memory_getRomCrc();
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uint16_t newCrc;
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unsigned value;
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uint8_t ws_newVideoMode;
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fprintf(log_get(), "loading %s\n", statepath);
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uint16_t crc = memory_getRomCrc();
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uint16_t newCrc;
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unsigned value;
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uint8_t ws_newVideoMode;
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int fp = open(statepath, O_RDONLY);
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int fp = open(statepath, O_RDONLY);
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if (fp == -1)
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{
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return(0);
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}
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if (fp == -1)
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{
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return (0);
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}
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read(fp, &newCrc, 2);
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read(fp, &newCrc, 2);
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if (newCrc!=crc)
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{
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return(-1);
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}
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if (newCrc != crc)
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{
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return (-1);
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}
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MacroLoadNecRegisterFromFile(fp,NEC_IP);
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MacroLoadNecRegisterFromFile(fp,NEC_AW);
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MacroLoadNecRegisterFromFile(fp,NEC_BW);
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MacroLoadNecRegisterFromFile(fp,NEC_CW);
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MacroLoadNecRegisterFromFile(fp,NEC_DW);
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MacroLoadNecRegisterFromFile(fp,NEC_CS);
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MacroLoadNecRegisterFromFile(fp,NEC_DS);
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MacroLoadNecRegisterFromFile(fp,NEC_ES);
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MacroLoadNecRegisterFromFile(fp,NEC_SS);
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MacroLoadNecRegisterFromFile(fp,NEC_IX);
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MacroLoadNecRegisterFromFile(fp,NEC_IY);
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MacroLoadNecRegisterFromFile(fp,NEC_BP);
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MacroLoadNecRegisterFromFile(fp,NEC_SP);
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MacroLoadNecRegisterFromFile(fp,NEC_FLAGS);
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MacroLoadNecRegisterFromFile(fp,NEC_VECTOR);
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MacroLoadNecRegisterFromFile(fp,NEC_PENDING);
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MacroLoadNecRegisterFromFile(fp,NEC_NMI_STATE);
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MacroLoadNecRegisterFromFile(fp,NEC_IRQ_STATE);
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MacroLoadNecRegisterFromFile(fp, NEC_IP);
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MacroLoadNecRegisterFromFile(fp, NEC_AW);
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MacroLoadNecRegisterFromFile(fp, NEC_BW);
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MacroLoadNecRegisterFromFile(fp, NEC_CW);
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MacroLoadNecRegisterFromFile(fp, NEC_DW);
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MacroLoadNecRegisterFromFile(fp, NEC_CS);
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MacroLoadNecRegisterFromFile(fp, NEC_DS);
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MacroLoadNecRegisterFromFile(fp, NEC_ES);
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MacroLoadNecRegisterFromFile(fp, NEC_SS);
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MacroLoadNecRegisterFromFile(fp, NEC_IX);
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MacroLoadNecRegisterFromFile(fp, NEC_IY);
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MacroLoadNecRegisterFromFile(fp, NEC_BP);
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MacroLoadNecRegisterFromFile(fp, NEC_SP);
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MacroLoadNecRegisterFromFile(fp, NEC_FLAGS);
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MacroLoadNecRegisterFromFile(fp, NEC_VECTOR);
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MacroLoadNecRegisterFromFile(fp, NEC_PENDING);
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MacroLoadNecRegisterFromFile(fp, NEC_NMI_STATE);
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MacroLoadNecRegisterFromFile(fp, NEC_IRQ_STATE);
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read(fp,internalRam,65536);
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read(fp,ws_staticRam,65536);
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read(fp,ws_ioRam,256);
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read(fp,ws_paletteColors,8);
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read(fp,ws_palette,16*4*2);
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read(fp,wsc_palette,16*16*2);
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read(fp,&ws_newVideoMode,1);
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read(fp,&ws_gpu_scanline,1);
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read(fp,externalEeprom,131072);
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read(fp, internalRam, 65536);
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read(fp, ws_staticRam, 65536);
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read(fp, ws_ioRam, 256);
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read(fp, ws_paletteColors, 8);
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read(fp, ws_palette, 16 * 4 * 2);
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read(fp, wsc_palette, 16 * 16 * 2);
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read(fp, &ws_newVideoMode, 1);
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read(fp, &ws_gpu_scanline, 1);
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read(fp, externalEeprom, 131072);
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ws_audio_readState(fp);
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close(fp);
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ws_audio_readState(fp);
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close(fp);
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// force a video mode change to make all tiles dirty
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ws_gpu_clearCache();
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return(1);
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// force a video mode change to make all tiles dirty
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ws_gpu_clearCache();
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return (1);
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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@@ -391,89 +399,90 @@ int ws_loadState(char *statepath)
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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#define MacroStoreNecRegisterToFile(F,R) \
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value=nec_get_reg(R); \
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write(fp,&value,sizeof(value));
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#define MacroStoreNecRegisterToFile(F, R) \
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value=nec_get_reg(R); \
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write(fp,&value,sizeof(value));
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||||
int ws_saveState(char *statepath)
|
||||
int ws_saveState(char *statepath)
|
||||
{
|
||||
uint16_t crc=memory_getRomCrc();
|
||||
uint32_t value;
|
||||
char newPath[1024];
|
||||
fprintf(log_get(),"saving %s\n",statepath);
|
||||
uint16_t crc = memory_getRomCrc();
|
||||
uint32_t value;
|
||||
char newPath[1024];
|
||||
fprintf(log_get(), "saving %s\n", statepath);
|
||||
|
||||
if (strlen(statepath)<4)
|
||||
{
|
||||
sprintf(newPath,"%s.wss",statepath);
|
||||
}
|
||||
else
|
||||
{
|
||||
int len=strlen(statepath);
|
||||
if (strlen(statepath) < 4)
|
||||
{
|
||||
sprintf(newPath, "%s.wss", statepath);
|
||||
}
|
||||
else
|
||||
{
|
||||
int len = strlen(statepath);
|
||||
|
||||
if ((statepath[len-1]!='s')&&(statepath[len-1]!='S'))
|
||||
{
|
||||
sprintf(newPath,"%s.wss",statepath);
|
||||
}
|
||||
else if ((statepath[len-2]!='s')&&(statepath[len-2]!='S'))
|
||||
{
|
||||
sprintf(newPath,"%s.wss",statepath);
|
||||
}
|
||||
else if ((statepath[len-3]!='w')&&(statepath[len-3]!='w'))
|
||||
{
|
||||
sprintf(newPath,"%s.wss",statepath);
|
||||
}
|
||||
else if (statepath[len-4]!='.')
|
||||
{
|
||||
sprintf(newPath,"%s.wss",statepath);
|
||||
}
|
||||
else
|
||||
{
|
||||
sprintf(newPath,"%s",statepath);
|
||||
}
|
||||
}
|
||||
if ((statepath[len - 1] != 's') && (statepath[len - 1] != 'S'))
|
||||
{
|
||||
sprintf(newPath, "%s.wss", statepath);
|
||||
}
|
||||
else if ((statepath[len - 2] != 's') && (statepath[len - 2] != 'S'))
|
||||
{
|
||||
sprintf(newPath, "%s.wss", statepath);
|
||||
}
|
||||
else if ((statepath[len - 3] != 'w') && (statepath[len - 3] != 'w'))
|
||||
{
|
||||
sprintf(newPath, "%s.wss", statepath);
|
||||
}
|
||||
else if (statepath[len - 4] != '.')
|
||||
{
|
||||
sprintf(newPath, "%s.wss", statepath);
|
||||
}
|
||||
else
|
||||
{
|
||||
sprintf(newPath, "%s", statepath);
|
||||
}
|
||||
}
|
||||
|
||||
int fp=open(newPath, O_RDWR|O_CREAT, 0644);
|
||||
int fp = open(newPath, O_RDWR | O_CREAT, 0644);
|
||||
|
||||
if (fp==-1)
|
||||
{
|
||||
return(0);
|
||||
}
|
||||
if (fp == -1)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
|
||||
write(fp,&crc,2);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_IP);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_AW);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_BW);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_CW);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_DW);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_CS);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_DS);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_ES);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_SS);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_IX);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_IY);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_BP);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_SP);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_FLAGS);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_VECTOR);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_PENDING);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_NMI_STATE);
|
||||
MacroStoreNecRegisterToFile(fp,NEC_IRQ_STATE);
|
||||
write(fp, &crc, 2);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_IP);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_AW);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_BW);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_CW);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_DW);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_CS);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_DS);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_ES);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_SS);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_IX);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_IY);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_BP);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_SP);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_FLAGS);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_VECTOR);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_PENDING);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_NMI_STATE);
|
||||
MacroStoreNecRegisterToFile(fp, NEC_IRQ_STATE);
|
||||
|
||||
write(fp,internalRam,65536);
|
||||
write(fp,ws_staticRam,65536);
|
||||
write(fp,ws_ioRam,256);
|
||||
write(fp,ws_paletteColors,8);
|
||||
write(fp,ws_palette,16*4*2);
|
||||
write(fp,wsc_palette,16*16*2);
|
||||
write(fp,&ws_videoMode,1);
|
||||
write(fp,&ws_gpu_scanline,1);
|
||||
write(fp,externalEeprom,131072);
|
||||
write(fp, internalRam, 65536);
|
||||
write(fp, ws_staticRam, 65536);
|
||||
write(fp, ws_ioRam, 256);
|
||||
write(fp, ws_paletteColors, 8);
|
||||
write(fp, ws_palette, 16 * 4 * 2);
|
||||
write(fp, wsc_palette, 16 * 16 * 2);
|
||||
write(fp, &ws_videoMode, 1);
|
||||
write(fp, &ws_gpu_scanline, 1);
|
||||
write(fp, externalEeprom, 131072);
|
||||
|
||||
ws_audio_writeState(fp);
|
||||
close(fp);
|
||||
ws_audio_writeState(fp);
|
||||
close(fp);
|
||||
|
||||
return(1);
|
||||
return (1);
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
@@ -487,8 +496,8 @@ int ws_saveState(char *statepath)
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
int ws_rotated(void)
|
||||
{
|
||||
uint8_t *rom=memory_getRom();
|
||||
uint32_t romSize=memory_getRomSize();
|
||||
uint8_t *rom = memory_getRom();
|
||||
uint32_t romSize = memory_getRomSize();
|
||||
|
||||
return(rom[romSize-4]&1);
|
||||
return (rom[romSize - 4] & 1);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user