Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-24 01:11:11 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

(mess) cat.c: further swyft documentation updates based on having the board to look at directly [Lord Nightmare, Sandy Bumgarner]

Browse Source
This commit is contained in:
Jonathan Gevaryahu 2013-10-03 02:18:57 +00:00
parent f8ed76d3e7
commit 8b19686499
1 changed files with 36 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
src/mess/drivers/cat.c
View File

@ -161,33 +161,43 @@ X3: 2.4576Mhz, used by the modem chip AMI S35213 at IC37
IAI Swyft:
Board name: 950-0001C
"INFORMATION APPLIANCE INC. COPYRIGHT 1985"
_________________|||||||||_____________________________________________________________________________
| video out [Floppy connector] ____ |
| / \ |
<4 pin edge) 74LS107 |PB1 | uA339 MC3403 |
| 7407 \____/ |
| Y1 "TIMING B" 74LS132 74LS175 |
| ____________ |
| TMS4256 74LS161 "DECODE E" "DISK 3.5C" | | 4N37 |
| | MC6850P | -----|
| TMS4256 74LS166 74HCT259 74LS299 '------------' MC3403 MC3403 LINE =
| ___________________ ___________________ -----|
| TMS4256 74LS373 | | | | PHONE=
| | MC68008P8 | | R6522P | -----|
| TMS4256 74F153 '-------------------' '-------------------' MN4053 MN4053 .-----|
| (jumper E1) |J1 =
| TMS4256 74F153 74HCT08 __________ ___________________ MC14412 DS1489 | B =
| | | | | || | R =
| TMS4256 74F153 74HC4040E | AM27256 | | R6522P | || | E =
| '----------' '-------------------' || | A =
| TMS4256 74F153 "VIDEO 2B" .----------. J4 | K =
| | AM27256 | 74HC02 74HC374 || | O =
| TMS4256 74F153 74LS393 |__________| || UM95089 Y2 | U =
|_____________________________________(j9)________________________________________________________|_T___=
_________________|||||||||___________________________________________________________________________________
| J8 [=======J3=======] ____ |
= / \ (E2) |
= Jx 74LS107 J5 |PB1 | uA339 MC3403 |
| 7407 \____/ |
| Y1 "TIMING B" 74LS132 74LS175 -----|
| ____________ 4N37 Relay J7 =
| TMS4256 74LS161 "DECODE E" "DISK 3.5C" | | -----|
| | MC6850P | J6 =
| TMS4256 74LS166 74HCT259 74LS299 '------------' MC3403 MC3403 -----|
| ___________________ ___________________ .-----|
| TMS4256 74LS373 | | | | |J1 =
| | MC68008P8 | | R6522P | | =
| TMS4256 74F153 '-------------------' '-------------------' MN4053 MN4053 | B =
| (E1) | R =
| TMS4256 74F153 74HCT08 __________ ___________________ MC14412 DS1489 | E =
| | | | | || | A =
| TMS4256 74F153 74HC4040E | AM27256 | | R6522P | || | K =
| '----------' '-------------------' || INFORMATION | O =
| TMS4256 74F153 "VIDEO 2B" .----------. J4 APPLIANCE INC. | U =
| | AM27256 | 74HC02 74HC374 || Copyright 1985 | T =
| TMS4256 74F153 74LS393 |__________| || UM95089 Y2 | =
|_____________________________[________J9___]__________________________________________________D13______|_____=
*Devices of interest:
J1: breakout of joystick, serial/rs232, hex-keypad, parallel port, and forth switch (and maybe cassette?) pins
Jx: 4 pin on top side, 6 pin on bottom side edge ?debug? connector (may have been intended to be J2, doesn't actually have a J number at all)
J3: Floppy Connector (standard 34 pin shugart)
J4: keyboard ribbon cable
J5: Berg type socket for supplying power (5v gnd gnd 12v) to the floppy drive
J6: Phone connector, rj11 jack
J7: Line connector, rj11 jack
J8: Video out/power in
J9: solder points for a rom expansion/replacement daughterboard, not populated
E1: jumper, unknown purpose
E2: jumper, unknown purpose
D13: LED
R6522P (upper): parallel port via
R6522P (lower): keyboard via
UM95089: Tone Dialer chip
@ -202,6 +212,7 @@ UM95089: Tone Dialer chip
*Deviations from silkscreen:
4N37 (marked on silkscreen "4N35")
74F153 (marked on silkscreen "74ALS153")
74HCT259 is socketed, possibly intended that the rom expansion daughterboard will fit in its socket and in place of the 2 roms, if populated
*Other Devices:
TMS4256-15NL - 262144 x 1 DRAM
@ -209,7 +220,7 @@ PB1 - piezo speaker
Crystals:
Y1: 15.8976Mhz, main clock?
Y2: 3.579545Mhz, used by the DTMF generator chip UM95089?
Y2: 3.579545Mhz, used by the DTMF generator chip UM95089 (connects to pins 7 and 8 of it)
ToDo:
@ -1499,7 +1510,7 @@ WRITE_LINE_MEMBER ( cat_state::via1_int_w )
static MACHINE_CONFIG_START( swyft, cat_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu",M68008, XTAL_15_8976MHz/2) //MC68008P8, Y1=15.8796Mhz, clock GUESSED at Y1 / 2
MCFG_CPU_ADD("maincpu",M68008, XTAL_15_8976MHz/2) //MC68008P8, Y1=15.8976Mhz, clock GUESSED at Y1 / 2
MCFG_CPU_PROGRAM_MAP(swyft_mem)
MCFG_MACHINE_START_OVERRIDE(cat_state,swyft)