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#define X 16
#define Y 16
void _start(unsigned short x, unsigned short y)
{
volatile unsigned long *counter = (unsigned long *)((unsigned long)1 << 48);
volatile char *uart = (char *)4096;
/* very hacky, not recommended but good enough for testing */
if (x == 0 && y == 2) {
*counter = 0;
*uart = '0';
*uart = '\n';
}
else
while (*counter != (((unsigned long)x << 16) | y))
;
*uart = '(';
/* [0 - 16] as two octal numbers */
*uart = ((x >> 3) & 0x7) + '0';
*uart = ((x >> 0) & 0x7) + '0';
*uart = ',';
*uart = ' ';
*uart = ((y >> 3) & 0x7) + '0';
*uart = ((y >> 0) & 0x7) + '0';
*uart = ')';
*uart = '\n';
if (x == 15 && y == 15)
asm ("ebreak\n");
if (y == 15) {
x++;
y = 0;
}
else
y++;
*counter = ((unsigned long)x << 16) | y;
while (1)
;
}
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