Writes to SVBK should work before the boot ROM is disabled
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5808d4485f
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@ -1234,12 +1234,11 @@ static void write_high_memory(GB_gameboy_t *gb, uint16_t addr, uint8_t value)
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gb->io_registers[GB_IO_DMA] = value;
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gb->io_registers[GB_IO_DMA] = value;
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return;
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return;
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case GB_IO_SVBK:
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case GB_IO_SVBK:
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if (!gb->cgb_mode) {
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if (gb->cgb_mode || (GB_is_cgb(gb) && !gb->boot_rom_finished)) {
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return;
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gb->cgb_ram_bank = value & 0x7;
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}
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if (!gb->cgb_ram_bank) {
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gb->cgb_ram_bank = value & 0x7;
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gb->cgb_ram_bank++;
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if (!gb->cgb_ram_bank) {
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}
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gb->cgb_ram_bank++;
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}
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}
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return;
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return;
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case GB_IO_VBK:
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case GB_IO_VBK:
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