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/*
!!DESCRIPTION!! wrapped-call pragma w/ variadic function
!!ORIGIN!! cc65 regression tests
!!LICENCE!! Public Domain
!!AUTHOR!! Lauri Kasanen
*/
#include <stdarg.h>
static unsigned char flag;
static void trampoline_set(void) {
// The Y register is used for variadics - save and restore
asm("sty tmp3");
asm("ldy tmp4");
asm("sty %v", flag);
asm("ldy tmp3");
asm("jsr callptr4");
}
#pragma wrapped-call(push, trampoline_set, 4)
unsigned adder(unsigned char num, ...);
#pragma wrapped-call(pop)
unsigned adder(unsigned char 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);
}
va_end(ap);
return sum;
}
int main() {
flag = 0;
return adder(3, 0, 5, 500) == 505 && flag == 4 ? 0 : 1;
}
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