33 lines
533 B
C
33 lines
533 B
C
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#include <io.h>
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static char serial_data[2];
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u8 io_read(u16 address){
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if(address == 0xFF01) {
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return serial_data[0];
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}
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if(address == 0xFF02) {
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return serial_data[1];
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}
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printf("UNSUPPORTED io_read(%04X)\n", address);
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return 0;
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}
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void io_write(u16 address, u8 value){
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if(address == 0xFF01) {
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serial_data[0] = value;
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return;
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}
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if(address == 0xFF02) {
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serial_data[1] = value;
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return;
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}
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printf("UNSUPPORTED io_write(%04X)\n", address);
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}
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