void sm511_device::execute_one()
{
switch (m_op & 0xf0)
{
case 0x20: op_lax(); break;
case 0x30: op_adx(); break;
case 0x40: op_lb(); break;
case 0x70: op_tl(); break;
case 0x80: case 0x90: case 0xa0: case 0xb0:
op_t(); break;
case 0xc0: case 0xd0: case 0xe0: case 0xf0:
op_tm(); break;
default:
switch (m_op & 0xfc)
{
case 0x04: op_rm(); break;
case 0x0c: op_sm(); break;
case 0x10: op_exc(); break;
case 0x14: op_exci(); break;
case 0x18: op_lda(); break;
case 0x1c: op_excd(); break;
case 0x54: op_tmi(); break;
case 0x68: op_tml(); break;
default:
switch (m_op)
{
case 0x00: op_rot(); break;
// case 0x01: op_xxx(); break; // ?
case 0x02: op_sbm(); break;
case 0x03: op_atpl(); break;
case 0x08: op_add(); break;
case 0x09: op_add11(); break;
case 0x0a: op_coma(); break;
case 0x0b: op_exbla(); break;
case 0x50: op_kta(); break;
case 0x51: op_tb(); break;
case 0x52: op_tc(); break;
case 0x53: op_tam(); break;
case 0x58: op_tis(); break;
case 0x59: op_atl(); break;
case 0x5a: op_ta0(); break;
case 0x5b: op_tabl(); break;
case 0x5c: op_atx(); break;
// case 0x5d: op_cend(); break;
case 0x5e: op_tal(); break;
case 0x5f: op_lbl(); break;
case 0x61: op_pre(); break;
case 0x62: op_wr(); break;
case 0x63: op_ws(); break;
case 0x64: op_incb(); break;
// case 0x65: op_idiv(); break;
case 0x66: op_rc(); break;
case 0x67: op_sc(); break;
case 0x6c: op_decb(); break;
case 0x6d: op_ptw(); break;
case 0x6e: op_rtn0(); break;
case 0x6f: op_rtn1(); break;
// extended opcodes
case 0x60:
m_op = m_op << 8 | m_param;
switch (m_param)
{
case 0x30: op_rme(); break;
case 0x31: op_sme(); break;
case 0x32: op_tmel(); break;
case 0x33: op_atfc(); break;
case 0x34: op_bdc(); break;
case 0x35: op_atbp(); break;
default: op_illegal(); break;
}
break; // 0x60
default: op_illegal(); break;
}
break; // 0xff
}
break; // 0xfc
} // big switch
}
void sm510_device::execute_one()
{
switch (m_op & 0xf0)
{
case 0x20: op_lax(); break;
case 0x30: op_adx(); break;
case 0x40: op_lb(); break;
case 0x80: case 0x90: case 0xa0: case 0xb0:
op_t(); break;
case 0xc0: case 0xd0: case 0xe0: case 0xf0:
op_tm(); break;
default:
switch (m_op & 0xfc)
{
case 0x04: op_rm(); break;
case 0x0c: op_sm(); break;
case 0x10: op_exc(); break;
case 0x14: op_exci(); break;
case 0x18: op_lda(); break;
case 0x1c: op_excd(); break;
case 0x54: op_tmi(); break;
case 0x70: case 0x74: case 0x78: op_tl(); break;
case 0x7c: op_tml(); break;
default:
switch (m_op)
{
case 0x00: op_skip(); break;
case 0x01: op_atbp(); break;
case 0x02: op_sbm(); break;
case 0x03: op_atpl(); break;
case 0x08: op_add(); break;
case 0x09: op_add11(); break;
case 0x0a: op_coma(); break;
case 0x0b: op_exbla(); break;
case 0x51: op_tb(); break;
case 0x52: op_tc(); break;
case 0x53: op_tam(); break;
case 0x58: op_tis(); break;
case 0x59: op_atl(); break;
case 0x5a: op_ta0(); break;
case 0x5b: op_tabl(); break;
case 0x5d: op_cend(); break;
case 0x5e: op_tal(); break;
case 0x5f: op_lbl(); break;
case 0x60: op_atfc(); break;
case 0x61: op_atr(); break;
case 0x62: op_wr(); break;
case 0x63: op_ws(); break;
case 0x64: op_incb(); break;
case 0x65: op_idiv(); break;
case 0x66: op_rc(); break;
case 0x67: op_sc(); break;
case 0x68: op_tf1(); break;
case 0x69: op_tf4(); break;
case 0x6a: op_kta(); break;
case 0x6b: op_rot(); break;
case 0x6c: op_decb(); break;
case 0x6d: op_bdc(); break;
case 0x6e: op_rtn0(); break;
case 0x6f: op_rtn1(); break;
default: op_illegal(); break;
}
break; // 0xff
}
break; // 0xfc
} // big switch
// BM high bit is only valid for 1 step
m_sbm = (m_op == 0x02);
}