YayIguess/GBpp
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bootrom mostly works, refactoring and all opcodes added

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This commit is contained in:
Braiden Gent
2024-03-25 01:34:44 -07:00
parent a16a74f146
commit e3ba6359c9
11 changed files with 2513 additions and 399 deletions
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27
src/interupts.cpp
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@@ -1,32 +1,33 @@
#include "defines.hpp"
#include "gameboy.hpp"
bool GameBoy::testInterruptEnabled(Byte interrupt) {
return (*IE) & (Byte)(1 << interrupt);
bool GameBoy::testInterruptEnabled(const Byte interrupt) const {
return (*IE) & static_cast<Byte>(1 << interrupt);
}
void GameBoy::resetInterrupt(Byte interrupt) {
void GameBoy::resetInterrupt(const Byte interrupt) const {
*IF &= ~(1 << interrupt);
*IF |= 0xE0;
}
void GameBoy::interruptHandler() {
if (!IME)
return;
if (*IF & (Byte)(1 << VBLANK_INTERRUPT) && testInterruptEnabled(VBLANK_INTERRUPT))
if (*IF & static_cast<Byte>(1 << VBLANK_INTERRUPT) && testInterruptEnabled(VBLANK_INTERRUPT))
VBlankHandle();
if (*IF & (Byte)(1 << LCD_STAT_INTERRUPT) && testInterruptEnabled(LCD_STAT_INTERRUPT))
if (*IF & static_cast<Byte>(1 << LCD_STAT_INTERRUPT) && testInterruptEnabled(LCD_STAT_INTERRUPT))
LCDStatHandle();
if (*IF & (Byte)(1 << TIMER_INTERRUPT) && testInterruptEnabled(TIMER_INTERRUPT))
if (*IF & static_cast<Byte>(1 << TIMER_INTERRUPT) && testInterruptEnabled(TIMER_INTERRUPT))
timerHandle();
if (*IF & (Byte)(1 << SERIAL_INTERRUPT) && testInterruptEnabled(SERIAL_INTERRUPT))
if (*IF & static_cast<Byte>(1 << SERIAL_INTERRUPT) && testInterruptEnabled(SERIAL_INTERRUPT))
serialHandle();
if (*IF & (Byte)(1 << JOYPAD_INTERRUPT) && testInterruptEnabled(JOYPAD_INTERRUPT))
if (*IF & static_cast<Byte>(1 << JOYPAD_INTERRUPT) && testInterruptEnabled(JOYPAD_INTERRUPT))
joypadHandle();
}
void GameBoy::VBlankHandle() {
printf("VBlank interrupt");
//printf("VBlank interrupt\n");
IME = 0;
push(PC);
PC = 0x40;
@@ -34,7 +35,7 @@ void GameBoy::VBlankHandle() {
}
void GameBoy::LCDStatHandle() {
printf("LCD stat interrupt");
//printf("LCD stat interrupt\n");
IME = 0;
push(PC);
addCycles(16);
@@ -43,7 +44,7 @@ void GameBoy::LCDStatHandle() {
}
void GameBoy::timerHandle() {
printf("timer interrupt");
//printf("timer interrupt\n");
IME = 0;
push(PC);
addCycles(16);
@@ -52,7 +53,7 @@ void GameBoy::timerHandle() {
}
void GameBoy::serialHandle() {
printf("serial interrupt");
//printf("serial interrupt\n");
IME = 0;
push(PC);
addCycles(16);
@@ -61,7 +62,7 @@ void GameBoy::serialHandle() {
}
void GameBoy::joypadHandle() {
printf("joypad interrupt");
printf("joypad interrupt\n");
IME = 0;
push(PC);
addCycles(16);