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IREM M62 HARDWARE
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HARDWARE DESCRIPTION
CPU : Z80 @ 4MHz
Sound CPU : M6803 @ 894.886 kHz
Sound Chip : 2x AY-3-8910 @ 894.886 kHz, 2x MSM5205 @ 384 kHz

The M62 board can be set up for different configurations through the use of jumpers.

A Board:
J1: \
J2: / ROM or RAM at 0x4000
J3: sound prg ROM size, 2764 or 27128
J4: send output C of the secondy AY-3-8910 to SOUND IO instead of SOUND. Is this to have it amplified more?
J5: enable a tristate on accesses to the range a000-bfff (must not be done when there is ROM at this address)
J6: ?
J7: main prg ROM type, 2764 or 27128

B Board:
J1: selects whether bit 4 of obj color code selects or not high priority over tiles
J2: selects whether bit 4 of obj color code goes to A7 of obj color PROMS
J3: I'm not sure about this. It involves A8 of sprite ram.
J4: pixels per scanline, 256 or 384. There's also a PROM @ 6F that controls video timing and how long a scanline is.
J5: output Horizontal Sync or Composite Sync
J6: ?
J7: \ main xtal, 18.432 MHz (for low resolution games?) or
J8: / 24 MHz (for mid resolution games?)
J9: obj ROM type, 2764 or 27128

G Board:
JP1: \
JP2: | Tiles with color code >= the value set here have priority over sprites
JP3: |
JP4: /
PCB Pictures : M62 PCB
Emulators : MAME


KNOWN IREM M62 GAME LIST
Horizon
Kid Niki : Radical Ninja / Kaiketsu Yanchamaru
Kung-Fu Master / Spartan X
Lode Runner
Lode Runner : Majin No Fukkatsu / Lode Runner : Golden Labyrinth
Lode Runner : Teikoku Karano Dasshutsu
Lode Runner : The Bungling Strikes Back
Lot Lot
Spelunker
Spelunker II
The Battle-Road
Youjyuden


Horizon
1985
PCB: Top - M62-D-B, Middle - M62-A-E, Lower - M62-B-C
Horizon Horizon
 

Kid Niki : Radical Ninja / Kaiketsu Yanchamaru
1986
PCB: Top - M62-T-C, Middle - M62-A-E, Lower - M62-B-C
Kid Niki : Radical Ninja / Kaiketsu Yanchamaru Kid Niki : Radical Ninja / Kaiketsu Yanchamaru
Kid Niki : Radical Ninja / Kaiketsu Yanchamaru Kid Niki : Radical Ninja / Kaiketsu Yanchamaru
 

Kung-Fu Master / Spartan X
1984
CPU : Z80 @ 3.072 MHz
PCB: Top - M62-G-B, Middle - M62-A-C, Lower - M62-B-C
Kung-Fu Master / Spartan X Kung-Fu Master / Spartan X
Kung-Fu Master / Spartan X Kung-Fu Master / Spartan X
Flyers : Normal Flyer
Magazine reviews : C+VG Apr '85 - C+VG Jul '85
 

Lode Runner
Irem / Broderbund - 1984
PCB: Top - M62-E-A, Middle - M62-A-B, Lower - M62-B-C
Lode Runner Lode Runner
Flyers : Normal Flyer
Magazine reviews : C+VG Nov '84
 

Lode Runner : Majin No Fukkatsu / Lode Runner : Golden Labyrinth
Irem / Broderbund - 1985
Lode Runner : Majin No Fukkatsu / Lode Runner : Golden Labyrinth Lode Runner : Majin No Fukkatsu / Lode Runner : Golden Labyrinth
 

Lode Runner : Teikoku Karano Dasshutsu
Irem / Broderbund - 1986
PCB: Top - M62-V-A, Middle - M62-A-B, Lower - M62-B-C
Lode Runner : Teikoku Karano Dasshutsu Lode Runner : Teikoku Karano Dasshutsu
Flyers : Normal Flyer
 

Lode Runner : The Bungling Strikes Back
Irem / Broderbund - 1984
Lode Runner : The Bungling Strikes Back Lode Runner : The Bungling Strikes Back
Flyers : Normal Flyer
 

Lot Lot
1985
Lot Lot Lot Lot
Flyers : Normal Flyer
 

Spelunker
Irem / Broderbund - 1985
PCB: Top - M62-M-C, Middle - M62-A-C. Lower - M62-B-C
Spelunker Spelunker
Flyers : Normal Flyer
Sequel : Spelunker II (1986)
 

Spelunker II
Irem / Broderbund - 1986
PCB: Top - M62-T-C, Middle - M62-A-E. Lower - M62-B-C
Spelunker II Spelunker II
Flyers : Normal Flyer
Magazine reviews : C+VG Dec '86
Prequel : Spelunker (1985)
 

The Battle-Road
1984
CPU : Z80 @ 3.072 MHz
PCB: Top - M62-A-B, Middle - M62-C-B, Lower - M62-B-C
The Battle-Road The Battle-Road
Flyers : Normal Flyer - Alternate Flyer
 

Youjyuden
1986
CPU : Z80 @ 3.072 MHz
PCB: Top - M62-P-B, Middle - M62-A-C. Lower - M62-B-C
Youjyuden Youjyuden
Flyers : Normal Flyer
 

 

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