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#define CPU_FREQ 1843200
__sfr __at 0x30 sio_a_data;
__sfr __at 0x31 sio_b_data;
__sfr __at 0x32 sio_a_ctrl;
__sfr __at 0x33 sio_b_ctrl;
void putchar(char c)
{
unsigned char ctrl = 0;
sio_a_data = c;
while (!(ctrl & 0x04)) {
sio_a_ctrl = ctrl;
ctrl = sio_a_ctrl;
}
}
void print(const char *str)
{
for (; *str; str++)
putchar(*str);
}
int main()
{
print("Hello World from C");
return 0;
}
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