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Merge pull request #5451 from clawgrip/patch-3

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ml20.cpp: Add small note (mw)
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ajrhacker 2019-08-07 10:50:48 -04:00 committed by GitHub
commit d45c144ee1
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1 changed files with 36 additions and 33 deletions
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src/mame/drivers/ml20.cpp
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@ -19,10 +19,10 @@
||C| ________ ________ .. <- JP1 |
||N||_M6242B_| MAX693CPE __ |
||8| ________ |C|__ |
| ULN2003A |N|| ||
| XT2 ULN2003A |N|| ||
| :<-JP4 ________ ____ |3||_|<- LM2575T
| ________ SN74HC05N TLP504A |_| |
|__ MAX232CPE |
|__ MAX232CPE :<-JP8 |
|| | MEISEI ________ |
|| | ________ P12 P12 MAX232CPE |
||_| 26LS32ACN __ |
@ -33,6 +33,7 @@
|___________________________________________________|
XT1 = 16.000 MHz
XT2 = S873
DP1 = 8 dipswitches
CN4 = Speaker
CN9 = RS232
@ -41,6 +42,8 @@
CN2 = Display (dot-matrix, 2 lines x 16 characters, 5x7 each character)
CN7 = Keypad
Display = Hyundai HC16203-A (Hitachi HD44780A00 based).
Status:
- Shows current date and time, then presumably waits for keypad input
- Needs currently unimplemented V25 features (serial etc.)