Add UNIF boards...
- Add UNL-TH2131-1, UNL-LH51, BMC-RESETNROM-XIN1, BMC-RESET-TXROM - Add FARID_SLROM_8-IN-1, BMC-830425C-4391T, BMC-TJ-03, BMC-CTC-09 - Add BMC-K-3046, BMC-SA005-A, BMC-K-3006, BMC-K-3036, MINDKIDS - Add UNL-KS7021A, KS106C, BTL-900218 - Cleanup VRC2and4 (unify power function)
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retro-wertz
@@ -158,14 +158,20 @@ static DECLFW(M23Write) {
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VRC24Write(A, V);
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}
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static void M21Power(void) {
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static void VRC24PowerCommon(void (*WRITEFUNC)(uint32 A, uint8 V)) {
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Sync();
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setprg8r(0x10, 0x6000, 0);
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setprg8r(0x10, 0x6000, 0); /* Only two Goemon games are have battery backed RAM, three more shooters
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* (Parodius Da!, Gradius 2 and Crisis Force uses 2k or SRAM at 6000-67FF only
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*/
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SetReadHandler(0x6000, 0x7FFF, CartBR);
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SetWriteHandler(0x6000, 0x7FFF, CartBW);
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FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
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SetReadHandler(0x8000, 0xFFFF, CartBR);
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SetWriteHandler(0x8000, 0xFFFF, M21Write);
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SetWriteHandler(0x8000, 0xFFFF, WRITEFUNC);
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FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
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}
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static void M21Power(void) {
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VRC24PowerCommon(M21Write);
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}
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static void M22Power(void) {
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@@ -176,26 +182,12 @@ static void M22Power(void) {
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static void M23Power(void) {
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big_bank = 0x20;
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Sync();
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setprg8r(0x10, 0x6000, 0); /* Only two Goemon games are have battery backed RAM, three more shooters
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* (Parodius Da!, Gradius 2 and Crisis Force uses 2k or SRAM at 6000-67FF only
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*/
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SetReadHandler(0x6000, 0x7FFF, CartBR);
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SetWriteHandler(0x6000, 0x7FFF, CartBW);
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SetReadHandler(0x8000, 0xFFFF, CartBR);
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SetWriteHandler(0x8000, 0xFFFF, M23Write);
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FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
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VRC24PowerCommon(M23Write);
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}
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static void M25Power(void) {
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big_bank = 0x20;
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Sync();
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setprg8r(0x10, 0x6000, 0);
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SetReadHandler(0x6000, 0x7FFF, CartBR);
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SetWriteHandler(0x6000, 0x7FFF, CartBW);
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SetReadHandler(0x8000, 0xFFFF, CartBR);
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SetWriteHandler(0x8000, 0xFFFF, M22Write);
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FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
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VRC24PowerCommon(M22Write);
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}
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void FP_FASTAPASS(1) VRC24IRQHook(int a) {
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@@ -279,3 +271,99 @@ void UNLT230_Init(CartInfo *info) {
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info->Power = M23Power;
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VRC24_Init(info);
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}
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/* -------------------- UNL-TH2131-1 -------------------- */
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/* https://wiki.nesdev.com/w/index.php/NES_2.0_Mapper_308
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* NES 2.0 Mapper 308 is used for a bootleg version of the Sunsoft game Batman
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* similar to Mapper 23 Submapper 3) with custom IRQ functionality.
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* UNIF board name is UNL-TH2131-1.
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*/
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static DECLFW(TH2131Write) {
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switch (A & 0xF003) {
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case 0xF000: X6502_IRQEnd(FCEU_IQEXT); IRQa = 0; IRQCount = 0; break;
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case 0xF001: IRQa = 1; break;
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case 0xF003: IRQLatch = (V & 0xF0) >> 4; break;
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}
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}
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void FP_FASTAPASS(1) TH2131IRQHook(int a) {
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int count;
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if (!IRQa)
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return;
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for (count = 0; count < a; count++) {
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IRQCount++;
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if ((IRQCount & 0x0FFF) == 2048)
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IRQLatch--;
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if (!IRQLatch && (IRQCount & 0x0FFF) < 2048)
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X6502_IRQBegin(FCEU_IQEXT);
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}
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}
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static void TH2131Power(void) {
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VRC24PowerCommon(VRC24Write);
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SetWriteHandler(0xF000, 0xFFFF, TH2131Write);
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}
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void UNLTH21311_Init(CartInfo *info) {
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info->Power = TH2131Power;
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VRC24_Init(info);
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MapIRQHook = TH2131IRQHook;
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}
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/* -------------------- UNL-KS7021A -------------------- */
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/* http://wiki.nesdev.com/w/index.php/NES_2.0_Mapper_525
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* NES 2.0 Mapper 525 is used for a bootleg version of versions of Contra and 月風魔伝 (Getsu Fūma Den).
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* Its similar to Mapper 23 Submapper 3) with non-nibblized CHR-ROM bank registers.
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*/
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static DECLFW(KS7021AWrite) {
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switch (A & 0xB000) {
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case 0xB000: chrreg[A & 0x07] = V; Sync(); break;
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}
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}
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static void KS7021APower(void) {
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VRC24PowerCommon(VRC24Write);
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SetWriteHandler(0xB000, 0xBFFF, KS7021AWrite);
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}
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void UNLKS7021A_Init(CartInfo *info) {
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info->Power = KS7021APower;
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VRC24_Init(info);
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}
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/* -------------------- BTL-900218 -------------------- */
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/* http://wiki.nesdev.com/w/index.php/UNIF/900218
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* NES 2.0 Mapper 524 describes the PCB used for the pirate port Lord of King or Axe of Fight.
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* UNIF board name is BTL-900218.
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*/
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static DECLFW(BTL900218Write) {
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switch (A & 0xF00C) {
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case 0xF008: IRQa = 1; break;
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case 0xF00C: X6502_IRQEnd(FCEU_IQEXT); IRQa = 0; IRQCount = 0; break;
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}
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}
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void FP_FASTAPASS(1) BTL900218IRQHook(int a) {
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if (!IRQa)
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return;
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IRQCount += a;
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if (IRQCount & 1024)
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X6502_IRQBegin(FCEU_IQEXT);
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}
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static void BTL900218Power(void) {
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VRC24PowerCommon(VRC24Write);
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SetWriteHandler(0xF000, 0xFFFF, BTL900218Write);
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}
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void BTL900218_Init(CartInfo *info) {
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info->Power = BTL900218Power;
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VRC24_Init(info);
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MapIRQHook = BTL900218IRQHook;
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}
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