TI-99 RS232/PIO interface - mame (0278) machine

MAME: 0278 - Released: 2025-06-29T00:16:39 - Machines: 48574 - rom: 362783 - disk: 1374

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
ti99_rs232	devices/bus/ti99/peb/ti_rs232.cpp		no	yes	no	no	TI-99 RS232/PIO interface

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
rs232pio_dsr.u1	4096	eab382fb	ee609a18a21f1a3ddab334e8798d5f2a0fcefa91	dsrrom	0	good	no

device_ref

name
tms9902
tms9902
ti99_rs232_atttached
ti99_rs232_atttached
ti99_pio_attached
ls259

device, instance

type	tag	interface	fixed_image	mandatory	name	briefname
serial	:serdev0				serial1	serl1
serial	:serdev1				serial2	serl2
parallel	:piodev				parallel	parl

device, extension

type	tag	interface	fixed_image	mandatory	extension_names
serial	:serdev0
serial	:serdev1
parallel	:piodev

configuration

Serial cable pin mapping

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Serial cable pin mapping	:SERIALMAP	3

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
6-20	0	yes
8-20	1	no
5-20	2	no

dipswitch

TI-RS232 CRU base

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
TI-RS232 CRU base	:CRURS232	1

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
1300	0	yes
1500	1	no