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TI-99/4A Home Computer (US)


MAME: 0.265 - Released: 2024-04-23T21:34:29 - Machines: 46750 - rom: 351491 - disk: 1325 - Lists: 714 - Software: 137832 - rom: 233686 - disk: 11065

machine

 ?

namesourcefilesampleofisbiosisdeviceismechanicalrunnabledescriptionyearmanufacturerromofcloneofMachineGenreId
ti99_4ati/ti99_4x.cpp nononoyesTI-99/4A Home Computer (US)1981Texas Instruments  Computer / Home System

rom

namesizecrcsha1regionoffsetstatusoptionalmergebios
994a_rom_hb.u6104096ee859c5fa45245707c3dccea902b718554a882d214a82504console_rom0goodno  
994a_rom_lb.u611409637859301f4e774fd5913b387a763f1b8de5524c54b255434console_rom1goodno  
994a_grom0.u50061442445a5e8ea15d8b0ac52112dc0d5f4ab9a79ac8ca1cc1bbccons_grom0goodno  
994a_grom1.u5016144b8f367ab3ecead4b83ec525084c70b6123d4053f8a80e1f7cons_grom2000goodno  
994a_grom2.u5026144e0bb5341e255f0d65d69b927cecb8fcfac7a4c17d585ea96cons_grom4000goodno  

chip

typetagnameclock
cpumaincpuTexas Instruments TMS99003000000
audiocass_outSpeaker 
audiocassette1Cassette 
audiocassette2Cassette 
audiosound_outSpeaker 
audiosoundchipSN94624447443

configuration

nametagmask
Alpha Lock blocks joystick upALPHABUG1
Console GROMsdatamux_16_8:GROMENA1
Console 32 KiB RAM upgrade (16 bit)datamux_16_8:RAM1
RESET on cartridge insertgromport:CARTRESET1

control

typeplayerbuttonswaysreverseminimummaximumsensitivitykeydeltaways2ways3reqbuttons
joy118no       
keyboard149 no       
joy218no       

device

typetaginterfacefixed_imagemandatory
cartridgegromport:single:cartridgeti99_cart  
cassettecassette1   
cassettecassette2   

device_ref

name
tms9900
tms9901
ti99_datamux
gromport
ti99_scartconn
ti99cart
grom
grom
grom
grom
grom
ram
ram
software_list
speaker
cassette_image
cassette_image
grom
grom
grom
ti99_ioport
speaker
sn94624
ti99_joyport
ti99_twinjoy
tms9918a
screen

display

tagtyperotatewidthheightrefreshpixclockhtotalhbendhbstartvtotalvbendvbstartflipx
screenraster028021659.92273853693173422530526228244no

driver

statusemulationsavestaterequiresartworkunofficialnosoundhardwareincompletecocktail
goodgoodsupportednononono 

input

playerscoinsservicetilt
2 nono

port

tag
:ALPHA
:ALPHA1
:ALPHABUG
:COL0
:COL1
:COL2
:COL3
:COL4
:COL5
:LOADINT
:datamux_16_8:GROMENA
:datamux_16_8:RAM
:gromport:CARTRESET
:joyport:twinjoy:JOY1
:joyport:twinjoy:JOY2

slot

name
gromport
ioport
joyport

softwarelist

tagnamestatusfilter
cart_list_ti99ti99_cartoriginal 

sound

channels
2


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