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Merge pull request #6124 from clawgrip/patch-11

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microtch.cpp: Add notes and ISA board layout (nw)
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R. Belmont 2020-01-04 16:11:04 -05:00 committed by GitHub
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src/devices/machine/microtch.cpp
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@ -9,6 +9,49 @@
- calibration mode (command CX)
- only tablet format and decimal format are supported for returning touch screen state
Known MicroTouch boards use an 80C32 (compatible: Siemens, Winbond, Philips, MHS, etc.) with external ROM and a custom MicroTouch MCU.
It seems there are different MicroTouch MCU versions, named "Kahuna", "Excalibur", and probably others, with unknown differences.
ISA Board ((c) 1997 MicroTouch Systems Inc. FAB 5405800 REV 2.3)
_________________________________________________________________
| ______ ______ |
| MM74HC04M HC125A ____ |
| 34072 __|__
| _______ ____ ____ ____ ____ | |
| R11APB18 78M05 34072 34072 93C46S | DB |
| ___________ __________ ____________ | 25 |
| |SIEMENS | |U1 BIOS | |MicroTouch| |(P1)|
| |SAB 80C32 | | | |Excalibur | |____|
| |__________| |_________| |__________| |
| ________ _______ __________ O <- LED
| |_LS240_| DM74LS30M |TI | |
| JP2->::::: |TL16C450FN ________ |
| JP1->:::::::::::::: |_________| |_LS245_| |
|__ ___ _____ |
|_|_|_| |_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_| |_|
ISA EDGE CONNECTOR
JP1 = ADDRESS / INTERRUPT (A1, A2, A3, A4, A5, A6, I2, I3, I4, I5, I10, I11, I12, I15)
JP2 = TEST (T1, T2, T3, T4, T5, T6)
Y1 = XTAL R11APB18
U3 = MicroTouch Excalibur
U4 = 80C32
U11 = 93C46S Serial EEPROM
P1 = RS-232
JP1 ADDRESS JUMPERS
COM ADDRESS A1 A2 A3 A4 A5 A6
--------------------------------
COM1 3F8-3FF ON : ON : ON :
COM2 2F8-2FF : ON ON : ON :
COM3 3E8-3EF ON : : ON ON : <- DEFAULT
COM4 2E8-2EF : ON : ON ON :
COM5 3E0-2E7 : ON : ON : ON
COM6 2F0-2F7 : ON ON : : ON
COM7 3E0-3E7 ON : : ON : ON
COM8 3F0-3F7 ON : ON : : ON
*/
#include "emu.h"