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Fix the Joypad interrupt. Fixes #237

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Lior Halphon 2020-03-27 17:36:55 +03:00
parent 876b36ac1c
commit 05403d3a56
1 changed files with 1 additions and 1 deletions
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Core/memory.c
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@ -780,7 +780,7 @@ static void write_high_memory(GB_gameboy_t *gb, uint16_t addr, uint8_t value)
} }
else if ((gb->io_registers[GB_IO_JOYP] & 0x30) != (value & 0x30)) { else if ((gb->io_registers[GB_IO_JOYP] & 0x30) != (value & 0x30)) {
GB_sgb_write(gb, value); GB_sgb_write(gb, value);
gb->io_registers[GB_IO_JOYP] = value & 0xF0; gb->io_registers[GB_IO_JOYP] = (value & 0xF0) | (gb->io_registers[GB_IO_JOYP] & 0x0F);
GB_update_joyp(gb); GB_update_joyp(gb);
} }
return; return;