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BugFix: Breakpoint index could not be 0

This commit is contained in:
tudnai 2022-11-12 10:27:37 -08:00
parent e8bedfb210
commit 99e7f07f84
1 changed files with 7 additions and 11 deletions
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18
src/cpu/6502_bp.c
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@ -38,7 +38,7 @@ int bp_last_idx = 0;
int bp_idx = 0;
void m6502_dbg_bp_swap(uint16_t * a, uint16_t * b) {
static void swap(uint16_t * a, uint16_t * b) {
uint16_t temp = *a;
*a = *b;
*b = temp;
@ -46,13 +46,10 @@ void m6502_dbg_bp_swap(uint16_t * a, uint16_t * b) {
void m6502_dbg_bp_sort( uint16_t arr[], int first, int last ) {
int i, j;
uint16_t pivot;
if ( first < last ) {
pivot = first; // (first + last) / 2;
i = first;
j = last;
uint16_t pivot = first; // (first + last) / 2;
int i = first;
int j = last;
while ( i < j ) {
while ( arr[i] <= arr[pivot] && i < last ) {
@ -63,11 +60,11 @@ void m6502_dbg_bp_sort( uint16_t arr[], int first, int last ) {
}
if ( i < j ) {
m6502_dbg_bp_swap(breakpoints + i, breakpoints + j);
swap(breakpoints + i, breakpoints + j);
}
}
m6502_dbg_bp_swap(breakpoints + pivot, breakpoints + j);
swap(breakpoints + pivot, breakpoints + j);
if (j > first) {
@ -112,8 +109,7 @@ int m6502_dbg_bp_search(uint16_t arr[], int l, int r, uint16_t addr) {
/// Get an empty slot in the bp astorage
/// @return Index of the empty breakpoint or -1 if error
int m6502_dbg_bp_get_last(int i) {
i++;
while(--i) {
for(; i >= 0; i--) {
if ( breakpoints[i] ) {
return i;
}