30 lines
804 B
C
30 lines
804 B
C
#include <stdio.h>
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#include <gb/gb.h>
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void main(void) {
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printf("A: Send\nB: Receive\n\n");
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_io_out = 1;
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while (1) {
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if (joypad() == J_A) {
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waitpadup();
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send_byte(); // send _io_out
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printf("Sending...\n");
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while (_io_status == IO_SENDING); // Wait for Send
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if (_io_status == IO_IDLE) // If IO status returns to Idle then success
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printf("Sent %d\n", (int)_io_out);
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else
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printf("Error\n"); // Else print error code
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_io_out++;
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}
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if (joypad() == J_B) {
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waitpadup();
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receive_byte(); // receive _io_in
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printf("Receiving...\n");
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while (_io_status == IO_RECEIVING); // Wait for Receive
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if (_io_status == IO_IDLE) // If IO status returns to Idle then success
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printf("Received %d\n", (int)_io_in);
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else
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printf("Error\n"); // Else print error
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}
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}
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} |