trunk/src/mame/drivers/meritm.c
| r17853 | r17854 | |
|---|
| 3 | 3 | |
| 4 | 4 | Driver by Mariusz Wojcieszek |
| 5 | 5 | |
| 6 | | CRT 250 (basic components, also used by CRT260) |
| 7 | | Main CPU: Z80B |
| 8 | | Sound: Yamaha YM2149F (or compatible) |
| 9 | | Video: 2 Yamaha V9938 (MSX2 video chip!) |
| 10 | | Other: 2 Z80APIO (I/O and interrupt controllers) |
| 11 | | 1 8255 (I/O) |
| 6 | CRT-250 |
| 7 | +-----------------------------------------------+ |
| 8 | | JP6 JP7 | |
| 9 | | 81464 81464 81464 81464 DS1225Y U9 U13 | |
| 10 | | 81464 81464 81464 81464 Z80 PAL U10 U14 | |
| 11 | | 81464 81464 81464 81464 PAL U11 U15 | |
| 12 | | 21.47727MHz U12 U16 | |
| 13 | | | |
| 14 | | V9938 V9938 AY8930 | |
| 15 | | | |
| 16 | | Z80APIO | |
| 17 | | | |
| 18 | | P8255A Z80APIO | |
| 19 | | | |
| 20 | | | |
| 21 | | |----------------J3-----------------| DSW VOL | |
| 22 | +-----------------------------------------------+ |
| 12 | 23 | |
| 24 | CPU: Z80B |
| 25 | Video: Yamaha V9938 Video Processor x 2 (MSX2 video chip) |
| 26 | Sound: AY8930 (or compatible) |
| 27 | OSC: 21.47727MHz |
| 28 | Other: Z80APIO x 2 (I/O and interrupt controllers) |
| 29 | P8255A (I/O) |
| 30 | 8-switch DSW (socketted) |
| 31 | Volume pot |
| 32 | |
| 33 | Memory: Fujitsu MB81464-12 (or compatible) all socketted. The 3rd row or memory |
| 34 | may or may not be populated. |
| 35 | |
| 36 | JP6 - 3 pin jumper: ROM size (1-2 = 27256, 2-3 = 27512) |
| 37 | JP7 - 3 pin jumper: RAM / ROM for U13 to U16? (1-2 = RAM, 2-3 = ROM) |
| 38 | J3 - 65 Pin connector: |
| 39 | |
| 40 | #1 - Blue (video out) #23 - V-Meter Lamp #45 - P2 Discard 3 Switch |
| 41 | #2 - Green (video out) #24 - P2 Play Lamp #46 - P2 Discard 2 Switch |
| 42 | #3 - Red (video out) #25 - Audit Meter #2 12v #47 - P2 Discard 1 Switch |
| 43 | #4 - Vertical Sync #26 - Audit Meter #1 12v #48 - Adjust 3 Terminal |
| 44 | #5 - Horizontal Sync #27 - V-Lamp return #49 - Adjust 2 Terminal |
| 45 | #6 - NC #28 - Lockout Coil Option 12v #50 - Adjust 1 Terminal |
| 46 | #7 - Video Ground #29 - P2 Cancel Lamp #51 - Switch Common Ground |
| 47 | #8 - Ground #30 - Undefined Lamp #52 - Switch Common Ground |
| 48 | #9 - Logic (PCB) Ground #31 - P1 Cancel Lamp #53 - P2 Cancel Switch |
| 49 | #10 - Logic (PCB) Ground #32 - P1 Play Lamp #54 - Diagnostics Switch |
| 50 | #11 - +5VDC Power #33 - P1 Discard 5 Lamp #55 - Books Switch |
| 51 | #12 - +5VDC Power #34 - P1 Discard 4 Lamp #56 - Coin 2 Switch |
| 52 | #13 - +12VDC Power #35 - P1 Discard 3 Lamp #57 - Coin 1 Switch |
| 53 | #14 - V-Lamp #36 - P1 Discard 2 Lamp #58 - Undefined Switch |
| 54 | #15 - V-Lamp Return #37 - P1 Discard 1 Lamp #59 - P1 Cancel Switch |
| 55 | #16 - NC #38 - NC #60 - P1 Play Switch |
| 56 | #17 - P2 Discard 1 Lamp #39 - Speaker - #61 - P1 Discard 5 Switch |
| 57 | #18 - P2 Discard 2 Lamp #40 - Speaker + #62 - P1 Discard 4 Switch |
| 58 | #19 - P2 Discard 3 Lamp #41 - NC #63 - P1 Discard 3 Switch |
| 59 | #20 - P2 Discard 4 Lamp #42 - P2 Play Switch #64 - P1 Discard 2 Switch |
| 60 | #21 - P2 Discard 5 Lamp #43 - P2 Discard 5 Switch #65 - P1 Discard 1 Switch |
| 61 | #22 - V-Meter Lamp #44 - P2 Discard 4 Switch |
| 62 | |
| 63 | Power & Common Ground wires are 18 gauge, all other wires are 20 or 22 gauge. |
| 64 | |
| 13 | 65 | CRT 256: addon board for CRT 250, stores question roms (aka Memory Expansion board) |
| 14 | 66 | |
| 15 | 67 | CRT 258: addon board for CRT 250, contains UART and Microtouch touch screen controller |
| 16 | 68 | |
| 17 | | CRT 260 additional components: |
| 69 | |
| 70 | CRT 260 same basic components as CRT 250 with these additional components: |
| 18 | 71 | - Microtouch touch screen controller (SMT-3) |
| 19 | 72 | - PC16550 UART (for communication with touch screen controller) |
| 20 | 73 | - DS1204 Electronic Key (for protection) |