mirror of https://github.com/bsnes-emu/bsnes.git
Refinements to DMG STAT write interrupt bug. Fixes stat_irq_blocking on DMG.
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@ -452,7 +452,8 @@ static void write_high_memory(GB_gameboy_t *gb, uint16_t addr, uint8_t value)
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case GB_IO_STAT:
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/* A DMG bug: http://www.devrs.com/gb/files/faqs.html#GBBugs */
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if (!gb->is_cgb && (gb->io_registers[GB_IO_STAT] & 0x3) < 2 && (gb->io_registers[GB_IO_LCDC] & 0x80)) {
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if (!gb->is_cgb && !gb->stat_interrupt_line &&
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(gb->io_registers[GB_IO_STAT] & 0x3) < 2 && (gb->io_registers[GB_IO_LCDC] & 0x80)) {
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gb->io_registers[GB_IO_IF] |= 2;
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}
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/* Delete previous R/W bits */
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