mirror of https://github.com/bsnes-emu/bsnes.git
Fix 7-part SGB commands
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parent
d263a8f6f8
commit
b580e63c37
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@ -434,9 +434,6 @@ void GB_sgb_write(GB_gameboy_t *gb, uint8_t value)
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return;
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}
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if (gb->sgb->disable_commands) return;
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if (gb->sgb->command_write_index >= sizeof(gb->sgb->command) * 8) {
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return;
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}
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uint16_t command_size = (gb->sgb->command[0] & 7 ?: 1) * SGB_PACKET_SIZE * 8;
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if ((gb->sgb->command[0] & 0xF1) == 0xF1) {
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@ -468,12 +465,14 @@ void GB_sgb_write(GB_gameboy_t *gb, uint8_t value)
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gb->sgb->ready_for_stop = false;
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}
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else {
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if (gb->sgb->command_write_index < sizeof(gb->sgb->command) * 8) {
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gb->sgb->command_write_index++;
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gb->sgb->ready_for_pulse = false;
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if (((gb->sgb->command_write_index) & (SGB_PACKET_SIZE * 8 - 1)) == 0) {
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gb->sgb->ready_for_stop = true;
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}
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}
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}
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break;
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case 1: // One
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if (!gb->sgb->ready_for_pulse || !gb->sgb->ready_for_write) return;
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@ -485,6 +484,7 @@ void GB_sgb_write(GB_gameboy_t *gb, uint8_t value)
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memset(gb->sgb->command, 0, sizeof(gb->sgb->command));
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}
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else {
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if (gb->sgb->command_write_index < sizeof(gb->sgb->command) * 8) {
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gb->sgb->command[gb->sgb->command_write_index / 8] |= 1 << (gb->sgb->command_write_index & 7);
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gb->sgb->command_write_index++;
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gb->sgb->ready_for_pulse = false;
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@ -492,6 +492,7 @@ void GB_sgb_write(GB_gameboy_t *gb, uint8_t value)
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gb->sgb->ready_for_stop = true;
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}
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}
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}
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break;
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case 0:
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