Forgotten Worlds (World, newer)
Also known as: Lost Worlds
▶ Open in the searchable database
Display
Type: raster Horizontal
Resolution: 384 x 224
Refresh: 59.64 Hz
Processors
Motorola MC68000 @ 10 MHz
Zilog Z80 @ 3.58 MHz
Audio
YM2151 OPM @ 3.58 MHz
OKI MSM6295 ADPCM @ 1 MHz
Channels: 1
Controls
Players: 2
Coin slots: 2
joy, 8-way, 1 button
dial
joy, 8-way, 1 button
dial
Components (from manual)
68000 CPU · Main processor
Z80 Sound CPU · Audio processor
PMC-617-APD Custom · Capcom custom chip
HM6264 RAM · 8K x 8 SRAM
HM53461ZP-12 RAM · Multiple locations on video boards · 64K x 4 Dynamic RAM
74LS245 Logic · Octal bus transceiver
74LS374 Logic · Octal D-type flip-flop
74LS138 Logic · 3-to-8 line decoder
74LS157 Logic · Quad 2-to-1 multiplexer
74LS32 Logic · Quad 2-input OR gate
74LS04 Logic · Hex inverter
74LS08 Logic · Quad 2-input AND gate
74LS74 Logic · Dual D-type flip-flop
4.7619MHz Oscillator · Clock generator
3.579545MHz Oscillator · Color subcarrier clock
CPS-A Custom · Multiple instances · Capcom CPS custom chip
CPS-B Custom · Capcom CPS custom chip
PCBs (from manual)
CPS Board 88617-A-2
Main CPS system board
Main CPS system board
Video Board 88617-A-3
Dynamic RAM video board
Dynamic RAM video board
Video Board 88617-A-4
Additional dynamic RAM board
Additional dynamic RAM board
DIP Switch Settings
Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more
| Switch | Setting | Options | Default |
|---|---|---|---|
| DIP-A:1, DIP-A:2, DIP-A:3 | Coin A | DIP-A:1 DIP-A:2 DIP-A:3ON ON ON 4 Coins/1 CreditOFF ON ON 3 Coins/1 CreditON OFF ON 2 Coins/1 CreditOFF OFF OFF 1 Coin/1 Credit ✱ON OFF OFF 1 Coin/2 CreditsOFF ON OFF 1 Coin/3 CreditsON ON OFF 1 Coin/4 CreditsOFF OFF ON 1 Coin/6 Credits | 1 Coin/1 Credit |
| DIP-A:4, DIP-A:5, DIP-A:6 | Coin B | DIP-A:4 DIP-A:5 DIP-A:6ON ON ON 4 Coins/1 CreditOFF ON ON 3 Coins/1 CreditON OFF ON 2 Coins/1 CreditOFF OFF OFF 1 Coin/1 Credit ✱ON OFF OFF 1 Coin/2 CreditsOFF ON OFF 1 Coin/3 CreditsON ON OFF 1 Coin/4 CreditsOFF OFF ON 1 Coin/6 Credits | 1 Coin/1 Credit |
| DIP-A:7 | Demo Sounds | ON OffOFF On ✱ | On |
| DIP-A:8 | Flip Screen | OFF Off ✱ON On | Off |
| DIP-B:1, DIP-B:2, DIP-B:3 | Difficulty | DIP-B:1 DIP-B:2 DIP-B:3OFF OFF OFF 0 (Easiest)ON OFF OFF 1OFF ON OFF 2ON ON OFF 3 (Normal) ✱OFF OFF ON 4ON OFF ON 5OFF ON ON 6ON ON ON 7 (Hardest) | 3 (Normal) |
| DIP-B:6 | Unknown | OFF Off ✱ON On | Off |
| DIP-B:5 | Unused | OFF Off ✱ON On | Off |
| DIP-B:4 | Unused | OFF Off ✱ON On | Off |
| DIP-B:7 | Service Mode | OFF Off ✱ON On | Off |
| DIP-B:8 | Freeze | OFF Off ✱ON On | Off |