mirror of
https://github.com/cc65/cc65.git
synced 2024-12-24 11:31:31 +00:00
53 lines
1.0 KiB
C
53 lines
1.0 KiB
C
|
|
/* issue #897 - __asm__()-referenced code-labels are generated for only branches and jumps */
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
static unsigned char *srcptr, *dstptr;
|
|
|
|
#define COPY_LEN 16
|
|
|
|
void test(void)
|
|
{
|
|
asm("lda %v", srcptr);
|
|
asm("sta %g+1", s2b_copy_from);
|
|
asm("lda %v+1", srcptr);
|
|
asm("sta %g+2", s2b_copy_from);
|
|
|
|
asm("lda %v", dstptr);
|
|
asm("sta %g+1", s2b_copy_to);
|
|
asm("lda %v+1", dstptr);
|
|
asm("sta %g+2", s2b_copy_to);
|
|
|
|
asm("ldy #%b", COPY_LEN-1);
|
|
s2b_copy_from:
|
|
asm("lda $FFFF,y");
|
|
s2b_copy_to:
|
|
asm("sta $FFFF,y");
|
|
asm("dey");
|
|
asm("bpl %g", s2b_copy_from);
|
|
}
|
|
|
|
unsigned char src[16] = "0123456789abcdef";
|
|
unsigned char dest[16];
|
|
|
|
int failures = 0;
|
|
|
|
unsigned char i;
|
|
|
|
int main(void)
|
|
{
|
|
srcptr = src;
|
|
dstptr = dest;
|
|
test();
|
|
for (i = 0; i < COPY_LEN; i++) {
|
|
printf("%d %02x %02x\n", i, src[i], dest[i]);
|
|
if (src[i] != dest[i]) {
|
|
failures++;
|
|
}
|
|
}
|
|
printf("failures: %d\n", failures);
|
|
return failures;
|
|
}
|