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