// -----------------------------------------------------------------------
int cpu_init(struct cfg_em400 *cfg)
{
int res;
regs[R_KB] = cfg->keys;
cpu_mod_present = cfg->cpu_mod;
cpu_user_io_illegal = cfg->cpu_user_io_illegal;
exit_on_hlt = cfg->exit_on_hlt;
cpu_awp = cfg->cpu_awp;
struct em400_instr *instr = em400_ilist;
while (instr->var_mask) {
res = cpu_register_op(em400_op_tab, instr->opcode, instr->var_mask, &instr->op);
if (res != E_OK) {
return res;
}
instr++;
}
int_update_mask(0);
// seems to be checked only at power-on!
// (unless power supply sends -PON at hw reset)
if (mem_mega_boot()) {
LOG(L_CPU, 1, "Bootstrap from MEGA PROM is enabled");
regs[R_IC] = 0xf000;
}
cpu_mod_off();
return E_OK;
}
// -----------------------------------------------------------------------
int ectl_capa()
{
int capa = 0;
if (cpu_mod_present) capa |= 1 << ECTL_CAPA_MX16;
if (cpu_mod_active) capa |= 1 << ECTL_CAPA_CRON;
if (awp) capa |= 1 << ECTL_CAPA_AWP;
if (!cpu_user_io_illegal) capa |= 1 << ECTL_CAPA_UIO;
if (mem_mega_boot()) capa |= 1 << ECTL_CAPA_MEGABOOT;
//TODO: if (nomem_stop) capa |= 1 << ECTL_CAPA_NOMEMSTOP;
LOG(L_ECTL, "ECTL capabilities: 0x%04x", capa);
return capa;
}
