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- Implementat un canal de só en crú, sense envelope, sweep ni res

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This commit is contained in:
Raimon Zamora
2025-01-28 22:41:32 +01:00
parent ab7b26c5e6
commit 91a230ee44
4 changed files with 133 additions and 12 deletions
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33
mem.cpp
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@@ -3,6 +3,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <SDL2/SDL.h>
#include "APU.h"
#include "mbc_none.h"
#include "mbc1.h"
@@ -67,6 +68,8 @@ namespace mem
mem::writeRam = mbc1::writeRam;
break;
};
APU::init();
}
void reset()
@@ -85,6 +88,7 @@ namespace mem
for (int i=0; i<65536; ++i) { tags[i] = MEMTAG_NONE; }
resetMbc();
APU::reset();
}
uint8_t getKeypad(uint8_t value)
@@ -123,7 +127,7 @@ namespace mem
} else {
if (address==0xFF00) {
hram[address - 0XFE00] = getKeypad(hram[address - 0XFE00]);
}
} else if (address>=0xFF10 && address<=0xFF26) { return APU::readRegister(address); }
return hram[address - 0XFE00];
}
}
@@ -141,11 +145,23 @@ namespace mem
} else if (address < 0xFE00) {
wram[address - 0xE000] = value;
} else {
if ( (address==0xFF50) && ((value&0x01) != 1) ) return; //Only allow disabling boot room
if ( (address==0xFF00) ) { value = value & 0x30; }
if ( (address==0xFF04) ) { hram[address-0xFE00] = 0; return; }
if ( (address==0xFF0F) ) { hram[address-0xFE00] = value; sm83::processInterrupts(); return; }
if ( (address==0xFF46) ) mem::init_dma_transfer(value);
if ( (address==0xFF50) && ((value&0x01) != 1) ) {
return; //Only allow disabling boot room
} else if ( (address==0xFF00) ) {
value = value & 0x30;
} else if ( (address==0xFF04) ) {
hram[address-0xFE00] = 0;
return;
} else if ( (address==0xFF0F) ) { // IF
hram[address-0xFE00] = value;
sm83::processInterrupts();
return;
} else if (address>=0xFF10 && address<=0xFF26) { // APU
APU::writeRegister(address, value);
return;
} else if ( (address==0xFF46) ) { // OAM DMA
mem::init_dma_transfer(value);
}
hram[address - 0xFE00] = value;
}
}
@@ -190,7 +206,9 @@ namespace mem
div_counter += dt;
if (div_counter>=256) {
div_counter -= 256;
bool bitset = DIV&0x10;
DIV++;
if (bitset && !(DIV&0x10)) APU::incDIVAPU();
}
// Timer
@@ -209,6 +227,9 @@ namespace mem
}
// APU
APU::update(dt);
// OAM DMA
if (dma_pos<160) {
dma_dots += dt;