/*
* Execute several steps with trace output
*/
void do_trace(char *s)
{
register int count, i;
while (isspace((int)*s))
s++;
if (*s == '\0')
count = 20;
else
count = atoi(s);
cpu_state = SINGLE_STEP;
cpu_error = NONE;
print_head();
print_reg();
for (i = 0; i < count; i++) {
cpu();
print_reg();
if (cpu_error) {
if (cpu_error == OPHALT) {
if (!handel_break()) {
break;
}
} else
break;
}
}
cpu_err_msg();
}
/*
* Run the CPU emulation endless
*/
static void do_go(char *s)
{
while (isspace((int)*s))
s++;
if (isxdigit((int)*s))
PC = exatoi(s);
cont:
cpu_state = CONTIN_RUN;
cpu_error = NONE;
switch(cpu) {
case Z80:
cpu_z80();
break;
case I8080:
cpu_8080();
break;
}
if (cpu_error == OPHALT)
if (handel_break())
if (!cpu_error)
goto cont;
cpu_err_msg();
print_head();
print_reg();
}
/*
* Run the CPU emulation endless
*/
void do_go(void)
{
cont:
cpu_state = CONTIN_RUN;
cpu_error = NONE;
cpu();
if (cpu_error == OPHALT)
if (handel_break())
if (!cpu_error)
goto cont;
cpu_err_msg();
print_head();
print_reg();
}
/*
* Execute a single step
*/
void do_step(void)
{
BYTE *p;
cpu_state = SINGLE_STEP;
cpu_error = NONE;
cpu();
if (cpu_error == OPHALT)
handel_break();
cpu_err_msg();
print_head();
print_reg();
p = PC;
disass(&p, p - ram);
}
/*
* Run the CPU emulation endless
*/
static void do_go(char *s)
{
while (isspace((int)*s))
s++;
if (isxdigit((int)*s))
PC = ram + exatoi(s);
cont:
cpu_state = CONTIN_RUN;
cpu_error = NONE;
cpu();
if (cpu_error == OPHALT)
if (handel_break())
if (!cpu_error)
goto cont;
cpu_err_msg();
print_head();
print_reg();
}
/*
* Execute a single step
*/
static void do_step(void)
{
BYTE *p;
cpu_state = SINGLE_STEP;
cpu_error = NONE;
switch(cpu) {
case Z80:
cpu_z80();
break;
case I8080:
cpu_8080();
break;
}
if (cpu_error == OPHALT)
handel_break();
cpu_err_msg();
print_head();
print_reg();
p = mem_base() + PC;
disass(&p, PC);
}
