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Correct read of IF and write of IE

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This commit is contained in:
Lior Halphon
2016-04-02 16:29:02 +03:00
parent 8ff433bb97
commit da00e240e5
1 changed files with 3 additions and 2 deletions
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5
Core/memory.c
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@@ -94,8 +94,9 @@ static unsigned char read_high_memory(GB_gameboy_t *gb, unsigned short addr)
if (addr < 0xFF80) {
switch (addr & 0xFF) {
case GB_IO_JOYP:
case GB_IO_IF:
return gb->io_registers[GB_IO_IF] | 0xE0;
case GB_IO_JOYP:
case GB_IO_DIV:
case GB_IO_TIMA:
case GB_IO_TMA:
@@ -473,7 +474,7 @@ static void write_high_memory(GB_gameboy_t *gb, unsigned short addr, unsigned ch
if (addr == 0xFFFF) {
/* Interrupt mask */
gb->interrupt_enable = value;
gb->interrupt_enable = value & 0x1F;
return;
}