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Add mapper 446 using mapper emulation cores that can be included in other multi-ASIC mappers.

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This commit is contained in:
NewRisingSun
2025-09-01 01:13:46 +02:00
parent 3544ff567e
commit a2fdeee096
57 changed files with 3063 additions and 441 deletions
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16
src/boards/447.c
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@@ -19,7 +19,8 @@
*/
#include "mapinc.h"
#include "vrc2and4.h"
#include "asic_vrc2and4.h"
#include "wram.h"
static uint8 reg;
static uint8 dip;
@@ -37,7 +38,7 @@ static void sync () {
VRC24_syncWRAM(0);
}
static int Mapper447_getPRGBank(int bank) {
static int Mapper447_getPRGBank(uint8 bank) {
if (reg &4) {
if (~reg &2)
return VRC24_getPRGBank(bank &1) &~2 | bank &2;
@@ -52,9 +53,9 @@ DECLFR(Mapper447_readPRG) {
}
DECLFW(Mapper447_writeReg) {
if (VRC24_misc &1 && ~reg &1) {
if (~reg &1) {
reg =A &0xFF;
VRC24_Sync();
sync();
}
CartBW(A, V);
}
@@ -69,13 +70,12 @@ void Mapper447_power(void) {
void Mapper447_reset(void) {
reg =0;
dip++;
VRC24_Sync();
sync();
}
void Mapper447_Init (CartInfo *info) {
VRC24_init(info, sync, 0x04, 0x08, 1, 0, 2);
VRC24_WRAMWrite =Mapper447_writeReg;
VRC24_GetPRGBank =Mapper447_getPRGBank;
VRC4_init(info, sync, 0x04, 0x08, 0, Mapper447_getPRGBank, NULL, NULL, Mapper447_writeReg, NULL );
WRAM_init(info, 2);
info->Power =Mapper447_power;
info->Reset =Mapper447_reset;
AddExState(Mapper447_stateRegs, ~0, 0, 0);