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Removed old debugging code.

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This commit is contained in:
Andrew Alderwick 2021-03-28 20:57:16 +01:00
parent 12552c51a7
commit 7543b0453d
1 changed files with 0 additions and 119 deletions
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119
src/backup-debugdev.c
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@ -1,119 +0,0 @@
static void
stack_diff(Stack *old, Stack *new, char *title)
{
size_t i;
printf("%6s: ", title);
for(i = 0;; ++i) {
if(i < old->ptr) {
if(i < new->ptr) {
if(old->dat[i] == new->dat[i]) {
printf(" \033[0m%02x", new->dat[i]);
} else {
printf(" \033[0;31m%02x\033[33;1m%02x", old->dat[i], new->dat[i]);
}
} else { /* only in old stack */
printf(" \033[0;31m%02x", old->dat[i]);
}
} else {
if(i < new->ptr) { /* only in new stack */
printf(" \033[33;1m%02x", new->dat[i]);
} else { /* in neither stack, end of loop */
break;
}
}
}
printf("\033[0m\n");
}
static void
memory_diff(Uint8 *old, Uint8 *new, size_t start, size_t end)
{
size_t i, j;
for(i = start; i < end; i += 0x10) {
int changes = 0;
for(j = i; j < i + 0x10; ++j) {
if(old[j] != new[j]) {
changes = 1;
break;
}
}
if(!changes) continue;
printf("0x%04lx: ", i);
for(j = i; j < i + 0x10; ++j) {
printf("\033[%sm%02x", old[j] == new[j] ? "0" : "33;1", new[j]);
if(j % 2) putchar(' ');
}
printf(" ");
for(j = i; j < i + 0x10; ++j) {
printf("\033[%sm%c", old[j] == new[j] ? "0" : "33;1", (new[j] < ' ' || new[j] > '~') ? '.' : new[j]);
}
printf("\033[0m\n");
}
}
Uint8
debug_poke(Uxn *u, Uint16 ptr, Uint8 b0, Uint8 b1)
{
size_t i;
(void)ptr;
switch(b0) {
case 0x08: /* stack */
printf("pc %04x working stack:", u->ram.ptr);
for(i = 0; i < u->wst.ptr; ++i) {
printf(" %02x", u->wst.dat[i]);
}
printf(", return stack: ");
for(i = 0; i < u->rst.ptr; ++i) {
printf(" %02x", u->rst.dat[i]);
}
printf("\n");
if(b1 && b1 != u->wst.ptr) {
printf("length %d failed to match %d!\n", b1, u->wst.ptr);
exit(1);
}
break;
case 0x09: /* snapshot */
if(u->snapshot != NULL) {
if(!(b1 & 0x01)) {
stack_diff(&u->snapshot->wst, &u->wst, "work");
}
if(!(b1 & 0x02)) {
stack_diff(&u->snapshot->rst, &u->rst, "return");
}
if(!(b1 & 0x04)) {
memory_diff(u->snapshot->ram.dat, u->ram.dat, 0, PAGE_DEVICE);
memory_diff(u->snapshot->ram.dat, u->ram.dat, PAGE_DEVICE + 0x0100, 0x10000);
}
}
{
int want_snapshot = !(b1 & 0x80);
if(want_snapshot) {
if(u->snapshot == NULL) {
u->snapshot = malloc(sizeof(*u));
}
for(i = 0; i < sizeof(*u); ++i) {
((char *)u->snapshot)[i] = ((char *)u)[i];
}
}
printf("pc 0x%04x snapshot%s taken\n", u->counter, want_snapshot ? "" : " not");
}
break;
case 0x0a: /* exit */
printf("Exited after 0x%04x cycles.\n", u->counter);
exit(b1);
break;
case 0x0f: /* test mode */
u->test_mode = b1;
printf("Test mode is now 0x%02x: ", u->test_mode);
if(b1 & 0x01) {
printf("BRK resets stacks to zero length");
} else {
printf("all test mode features disabled");
}
printf("\n");
break;
}
fflush(stdout);
return b1;
}