mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-11-09 19:43:53 -06:00
Abdessamad Derraz
cae30d1e8f
Nixie's layouts at vpinball e4a79a5, PinMAME memmaps at tomlogic/pinball-memory-maps 68c1b337 and game definitions at vpinball/pinmame-game-defs 6eece7e5: the subset every platform build copies into third-party/. 1,280 files, each matched to its upstream git blob, documented as three directory entries.
42 lines
847 B
JSON
42 lines
847 B
JSON
{
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"_notes": [
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"Williams System 3/4, 6800 CPU at 895kHz, 256 byte RAM, 256 4-bit NVRAM",
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"Game has 2KB EEPROM at IC14 (second half blank) or two 512-byte PROMs at IC21/IC22"
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],
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"cpu": "6800",
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"endian": "big",
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"memory_layout": [
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{
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"label": "RAM",
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"address": "0x0000",
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"size": "0x100",
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"type": "ram"
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},
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{
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"label": "NVRAM",
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"address": "0x0100",
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"size": "0x100",
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"type": "nvram",
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"nibble": "low"
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},
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{
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"label": "Game ROM/PROMs (IC14 or IC21/IC22)",
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"address": "0x6000",
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"size": "0x400",
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"type": "rom"
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},
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{
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"label": "ROM (IC20)",
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"address": "0x7000",
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"size": "0x800",
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"type": "rom"
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},
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{
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"label": "ROM (IC17)",
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"address": "0x7800",
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"size": "0x800",
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"type": "rom"
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}
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]
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}
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