static unsigned char flag;
static void trampoline_set() {
- // The Y register is used for variadics - save and restore
- asm("sty tmp3");
+ // The Y register is used for variadics - save and restore
+ asm("sty tmp3");
- asm("ldy tmp4");
- asm("sty %v", flag);
+ asm("ldy tmp4");
+ asm("sty %v", flag);
- asm("ldy tmp3");
- asm("jsr callptr4");
+ asm("ldy tmp3");
+ asm("jsr callptr4");
}
#pragma wrapped-call(push, trampoline_set, 4)
unsigned adder(unsigned char num, ...) {
- unsigned char i;
- unsigned sum = 0;
- va_list ap;
- va_start(ap, num);
+ unsigned char i;
+ unsigned sum = 0;
+ va_list ap;
+ va_start(ap, num);
- for (i = 0; i < num; i++) {
- sum += va_arg(ap, unsigned);
- }
+ for (i = 0; i < num; i++) {
+ sum += va_arg(ap, unsigned);
+ }
- va_end(ap);
+ va_end(ap);
- return sum;
+ return sum;
}
int main() {
- flag = 0;
+ flag = 0;
- return adder(3, 0, 5, 500) == 505 && flag == 4 ? 0 : 1;
+ return adder(3, 0, 5, 500) == 505 && flag == 4 ? 0 : 1;
}