mirror of
https://github.com/cc65/cc65.git
synced 2024-10-31 20:06:11 +00:00
87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#ifdef __C64__
|
|
#include <conio.h>
|
|
#endif
|
|
|
|
/* apparently we dont trigger the bug when not using absolute addresses? */
|
|
#ifdef __C64__
|
|
#define TARGETMEM 0x4c8
|
|
#define SOURCEMEM 0x702
|
|
#elif __SIM6502__
|
|
#define TARGETMEM 0xc4c8
|
|
#define SOURCEMEM 0xc702
|
|
#elif __SIM65C02__
|
|
#define TARGETMEM 0xc4c8
|
|
#define SOURCEMEM 0xc702
|
|
#else
|
|
static unsigned char mem[0x10];
|
|
#define TARGETMEM &mem[0]
|
|
#define SOURCEMEM &mem[8]
|
|
#endif
|
|
|
|
/* do not put at pos. 1, and 1 byte apart - so we can eventually notice
|
|
off-by-one errors */
|
|
static unsigned char u8w = 3;
|
|
static unsigned short u16r = 5;
|
|
|
|
static unsigned char target[8] = { 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7 };
|
|
static unsigned char source[8] = { 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf };
|
|
static unsigned char expect[8] = { 0x0, 0x1, 0x2, 0x3, 0xe, 0xf, 0x6, 0x7 };
|
|
|
|
static unsigned char i;
|
|
static unsigned char err = EXIT_SUCCESS;
|
|
|
|
void test1(void)
|
|
{
|
|
((unsigned char*)TARGETMEM)[++u8w] = ((unsigned char*)SOURCEMEM)[++u16r];
|
|
}
|
|
|
|
void dotest(void)
|
|
{
|
|
|
|
memcpy(TARGETMEM, target, 8);
|
|
memcpy(SOURCEMEM, source, 8);
|
|
|
|
test1();
|
|
|
|
memcpy(target, TARGETMEM, 8);
|
|
memcpy(source, SOURCEMEM, 8);
|
|
#ifdef __C64__
|
|
clrscr();
|
|
#endif
|
|
printf("source:");
|
|
for(i = 0; i < 8; ++i) {
|
|
printf("%0x ", source[i]);
|
|
}
|
|
printf("\n\rtarget:");
|
|
for(i = 0; i < 8; ++i) {
|
|
printf("%0x ", target[i]);
|
|
}
|
|
printf("\n\r");
|
|
|
|
printf("u8w: %d\n\r", u8w);
|
|
printf("u16r: %d\n\r", u16r);
|
|
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
dotest();
|
|
dotest();
|
|
if (memcmp(target, expect, 8) != 0) {
|
|
printf("buffer data error\n\r");
|
|
err = EXIT_FAILURE;
|
|
}
|
|
if (u8w != 5) {
|
|
err = EXIT_FAILURE;
|
|
}
|
|
if (u16r != 7) {
|
|
err = EXIT_FAILURE;
|
|
}
|
|
printf("return: %d\n\r", err);
|
|
return err;
|
|
}
|