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add memory access highlighting to emulator

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Redo
2022-12-07 13:13:17 -06:00
parent 59f7db27f1
commit 4af6f46a51
3 changed files with 64 additions and 43 deletions
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10
emulator/8608emulator.c
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@@ -36,8 +36,8 @@
#define storeq(x) writememory(cpu->q, x);
#define storeqinc(x) writememory(cpu->q++, x);
#define storeqp1(x) writememory((cpu->q+1)%65536, x);
#define pushretaddr1 writememory(cpu->s++, hibyte(cpu->i));
#define pushretaddr2 writememory(cpu->s++, lobyte(cpu->i));
#define pushretaddr1 writememory(cpu->s++, hibyte((cpu->i-1)%65536));
#define pushretaddr2 writememory(cpu->s++, lobyte((cpu->i-1)%65536));
#define lni cpu->instr = readmemory(cpu->i++); cpu->cycle = 0;
#define ldi cpu->instr = readmemory(cpu->i); cpu->cycle = 0;
#define addf(x,y) { x=(x+y); cpu->cf=x>=256; x&=0xFF; setzf(x); }
@@ -83,7 +83,7 @@ struct CPU {
int instr;
int cycle;
int instrpre;
int tick;
int frame;
};
struct Event {
int id;
@@ -109,7 +109,7 @@ void postEvent(struct Memory* const mem, int id, int addr) {
}
int _readmemory(const struct CPU* const cpu, struct Memory* const mem, const int addr) {
int addr2 = addr%65536;
mem->reads[addr2] = cpu->tick;
mem->reads[addr2] = cpu->frame;
if(mem->onread[addr2]) {
postEvent(mem, mem->onread[addr2], addr2);
}
@@ -118,7 +118,7 @@ int _readmemory(const struct CPU* const cpu, struct Memory* const mem, const int
int _writememory(const struct CPU* const cpu, struct Memory* const mem, const int addr, const int data) {
int addr2 = addr%65536;
if(mem->canwrite[addr2]) {
mem->writes[addr2] = cpu->tick;
mem->writes[addr2] = cpu->frame;
mem->data[addr2] = data%256;
}
if(mem->onwrite[addr2]) {