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Refactoring: move extra CHR-RAM and WRAM into one CartRAM module.

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This commit is contained in:
NewRisingSun
2025-09-12 11:22:37 +02:00
parent 095a2f90ec
commit c7960e9e0c
23 changed files with 65 additions and 88 deletions
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31
src/boards/544.c
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@@ -20,9 +20,8 @@
#include "mapinc.h"
#include "asic_vrc2and4.h"
#include "cartram.h"
static uint8 *CHRRAM;
static uint32 CHRRAMSize;
static uint8 nt[4];
static uint8 prg;
static uint8 mask;
@@ -48,7 +47,7 @@ static void sync () {
}
static const uint8 compares[8] = { 0x28, 0x00, 0x4C, 0x64, 0x46, 0x7C, 0x04, 0xFF };
static DECLFW(Mapper544_interceptPPUWrite) {
static DECLFW (interceptPPUWrite) {
if (~RefreshAddr &0x2000) {
int bank =VRC24_getCHRBank(RefreshAddr >>10 &7);
if (bank &0x80) {
@@ -66,11 +65,11 @@ static DECLFW(Mapper544_interceptPPUWrite) {
writePPU(A, V);
}
int Mapper544_getPRGBank(uint8 bank) {
static int getPRGBank (uint8 bank) {
return bank ==2? prg: VRC24_getPRGBank(bank);
}
DECLFW(Mapper544_externalSelect) {
static DECLFW (externalSelect) {
if (A &4)
nt[A &3] =V;
else
@@ -79,7 +78,7 @@ DECLFW(Mapper544_externalSelect) {
}
void Mapper544_power (void) {
void power (void) {
mask =0xFC;
compare =0x28;
nt[0] =nt[1] =0xE0;
@@ -87,24 +86,12 @@ void Mapper544_power (void) {
prg =0xFE;
VRC24_power();
writePPU =GetWriteHandler(0x2007);
SetWriteHandler(0x2007, 0x2007, Mapper544_interceptPPUWrite);
}
void Mapper544_close(void) {
if (CHRRAM) {
FCEU_gfree(CHRRAM);
CHRRAM =NULL;
}
SetWriteHandler(0x2007, 0x2007, interceptPPUWrite);
}
void Mapper544_Init (CartInfo *info) {
VRC4_init(info, sync, 0x400, 0x800, 1, Mapper544_getPRGBank, NULL, NULL, NULL, Mapper544_externalSelect);
info->Power =Mapper544_power;
info->Close =Mapper544_close;
VRC4_init(info, sync, 0x400, 0x800, 1, getPRGBank, NULL, NULL, NULL, externalSelect);
CartRAM_init(info, 8, 2);
info->Power =power;
AddExState(stateRegs, ~0, 0, 0);
CHRRAMSize =info->CHRRamSize +info->CHRRamSaveSize;
CHRRAM =(uint8*)FCEU_gmalloc(CHRRAMSize);
AddExState(CHRRAM, CHRRAMSize, 0, "CRAM");
SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSize, 1);
}