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Spot: The Video Game (NES)/RAM map: Difference between revisions
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Latest revision as of 21:24, 28 January 2024
The following article is a RAM map for Spot: The Video Game (NES).
RAM Map
Address Size Description ------- ---- ----------- 0000 1 Gamepad 1 buttons 0001 1 Gamepad 2 buttons 0002 1 Gamepad 3 buttons (NES / Famicom multitap) 0003 1 Gamepad 4 buttons (NES / Famicom multitap) 0004 1 Famicom multitap gamepad 3 0005 1 Famicom multitap gamepad 4 0006 1 NES multitap gamepad 3 0007 1 NES multitap gamepad 4 0008 1 Used to detected Famicom multitap gamepad 3 0009 1 Used to detected Famicom multitap gamepad 4 000A 1 Used to detected NES multitap gamepad 3 000B 1 Used to detected NES multitap gamepad 4 0017 1 mode: 00=copyright screen, 03=displaying playfield, 05=title 0029 1 cell location of hand cursor (00-30) 003C 1 02 indicates human playing 0042 1 current player (00-03) 035F 1 00 = spot not displayed, 01 = animated spot displayed 037F 1 01 = animating spot, 02 = not animating spot 0380 49 game board 05C3 1 secret spot square for bonus game (00-30, FF=used) 05C9 1 player 1 setting: 01-05 = AI level, 06 = human 05CA 1 player 2 setting: 01-05 = AI level, 06 = human 05CB 1 player 3 setting: 01-05 = AI level, 06 = human 05CC 1 player 4 setting: 01-05 = AI level, 06 = human 05D1 1 player 1 type: 00 = none, 01 = human, 05 = AI 05D2 1 player 2 type: 00 = none, 01 = human, 05 = AI 05D3 1 player 3 type: 00 = none, 01 = human, 05 = AI 05D4 1 player 4 type: 00 = none, 01 = human, 05 = AI 05E9 4 piece counts, lower decimal digits 05ED 4 piece counts, upper decimal digits 0632 1 set to 0F during bonus game 0642 3 bonus game reel positions, 00-13 (00=spot [free turn], 04=cherry [cheat move], 08=Arcadia [swap players], 0C=7UP [+7 sec]) 0645 1 playing mode: 00 = not playing or bonus game, else playing 0649 1 bonus game number of stopped reels
Game board
The game board is a 7×7 grid represented by 49 bytes starting at $0380. Each square may be empty, occupied by one of four player pieces or marked as solid (unreachable) by the board editor. However, to ensure that gameplay is always possible, a few square are designated as never solid (always reachable).
00 = empty 01 = yellow (player 1) 02 = blue (player 2) 03 = red (player 3) 04 = green (player 4) 40 = empty, never solid / always reachable 41 = yellow (player 1), never solid / always reachable 42 = blue (player 2), never solid / always reachable 43 = red (player 3), never solid / always reachable 44 = green (player 4), never solid / always reachable 80 = solid / unreachable
Internal Data for Spot: The Video Game
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