Difference between revisions of "Tetris (NES):ROM map"

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(I've been tracing the boot code)
(No difference)

Revision as of 12:13, 18 June 2006

This incomplete ROM map is for Tetris for NES.

; Code:

reset           = $FF00
main            = $8000
soundWaitVBL    = $AA45  ; Run sound code and wait for vblank NMI
turnOffNMI      = $AA78  ; Turn off interrupts
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
playSound       = $E000  ; Appears to be sound code, called every frame

; Data:
initHiScores    = $AD67  ; High score table, copied to $0700 on boot