Tetris (NES):ROM map
From Data Crystal
All addresses are in CPU address space, not iNES file space. You'll have to convert addresses for use in iNES, UNIF, or any other file format.
; Code: reset = $FF00 main = $8000 soundWaitVBL = $AA45 ; Run sound code and wait for vblank NMI turnOnNMI = $AA6B ; Turn on interrupt at scanline 241 turnOffNMI = $AA78 ; Turn off interrupt at scanline 241 clearNametable = $AA82 ; Clear nametable whose base address is A clearVRAM = $AC1C ; If A < $1F, clear Y pages of VRAM to X ; Otherwise, clear 4 pages of VRAM to X and clear attribute table to Y clearRAM = $AC6A ; Clear pages X to Y of CPU RAM to value in A switch = $AC82 ; Jumps to the Ath 16-bit address in the following jump table, ; similar to the "magic jump" in Super Mario Bros. playSound = $E000 ; Appears to be sound code, called every frame ; Data: initHiScores = $AD67 ; High score table, copied to $0700 on boot