void monitor_memory(unsigned int start, unsigned int count){
unsigned int i=0;
int pc_adr = 256 * conv_addr2int(pch) + conv_addr2int(pcl);;
mvprintw(mem_row-1, mem_col, "mem adr. binary ");
for(i=0; i < count ; i++)
if( start+i == pc_adr )
mvprintw(mem_row+i, mem_col-5, "pc-->%04x %s ", start+i, memory[start+i]);
else
mvprintw(mem_row+i, mem_col, "%04x %s ", start+i, memory[start+i]);
}
/*
memory_read: copy content of memoryaddress in addressbus register <abr> into
databus register dbr
*/
void memory_read() {
int rnd;
int i;
char dummy[2*REG_WIDTH+1];
// zero page hack
// 0xfe is random number
rnd = rand()%REG_WIDTH;
number2register(rnd,memory[0x00fe]);
// 0xff is char from keyboard
number2register(keyboardchar,memory[0x00ff]);
cp_adr2mem( BREAK_IRQ_HANDLER , BREAK );
cp_adr2mem(NMI_IRQ_HANDLER,NMI);
cp_adr2mem(RESET_IRQ_HANDLER,RESET);
for(i=0; i<REG_WIDTH; i++) {
dummy[i]=abrh[i];
dummy[i+REG_WIDTH]=abrl[i];
}
dummy[2*REG_WIDTH]='\0';
int startaddr = conv_addr2int(dummy);
cp_memory2dbr(startaddr, dbr);
}
void monitor_stack(unsigned int size){
unsigned int i=0;
int sp_adr = conv_addr2int(sp);
int start = sp_adr - size/2;
start = start<0?0:start;
mvprintw(stack_row-1, stack_col, "stack adr. binary ");
for(i=0; i < size ; i++)
if( start+i == sp_adr )
mvprintw(stack_row+i, stack_col-5, "sp-->%04x %s ", start+i, memory[start+i]);
else
mvprintw(stack_row+i, stack_col, "%04x %s ", start+i, memory[start+i]);
}
/*
memory_write: copy content of databus_register into content of
memoryaddress <addressbus_register>
*/
void memory_write() {
char dummy[2*REG_WIDTH+1];
int i;
for(i=0; i<REG_WIDTH; i++) {
dummy[i]=abrh[i];
dummy[i+REG_WIDTH]=abrl[i];
}
dummy[2*REG_WIDTH]='\0';
int startaddr = conv_addr2int(dummy);
cp_dbr2memory(startaddr,dbr);
}
