Horizon 4000B RAMdisk - mame (0286) machine

MAME: 0286 - Released: 2026-02-25T16:02:51 - Machines: 49738 - rom: 368235 - disk: 1396

machine

• XML • JSON • RUN

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
ti99_horizon	devices/bus/ti99/peb/horizon.cpp		no	yes	no	no	Horizon 4000B RAMdisk

device_ref

tag	name
:_tmp:m31_m0_ram	ram
:_tmp:u9_dsrram	ram
:_tmp:m32_ram	ram
:_tmp:u4_latch	ls259
:_tmp:u3_latch	ls259

configuration

Memory circuit count

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Memory circuit count	:CHIPCOUNT	15

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
0	0	no
4	1	no
8	2	no
12	3	no
16	4	yes
20	5	no
24	6	no
28	7	no
32	8	no

Memory circuit type

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Memory circuit type	:CHIPTYPE	1

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
128Kx8	0	yes
512Kx8	1	no

DSR memory size

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSR memory size	:DSRSIZE	1

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
8 KiB	0	yes
32 KiB	1	no

Optional 32 KiB memory

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Optional 32 KiB memory	:OPT32K	1

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	yes
On	1	no

RAMBO support

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
RAMBO support	:RAMBO	1

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	yes
On	1	no

dipswitch

SW1 Horizon CRU base

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
SW1 Horizon CRU base	:CRUHOR	65280

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	65280	no
1000	4096	no
1200	4608	yes
1400	5120	no
1500	5376	no
1600	5632	no
1700	5888	no

SW1 Phoenix CRU base

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
SW1 Phoenix CRU base	:CRUPHOE	65280

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	65280	yes
1400	5120	no
1600	5632	no

SW2 Hideswitch

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
SW2 Hideswitch	:HIDESW2	1

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	yes
On	1	no

JP4 Split mode

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
JP4 Split mode	:MODE	1

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
TI mode	0	yes
Geneve mode	1	no

JP2 Phoenix split

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
JP2 Phoenix split	:PHOENIX	1

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	yes
On	1	no