Program compatibility: Difference between revisions

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(→‎Compatible Programs: PowerPak made it easier)
(Years behind is fully compatible)
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*[[Hot Seat Harry]]
*[[Hot Seat Harry]]
*[[Munchie Attack]]
*[[Munchie Attack]]
*[[Years Behind]]


As the [[PowerPak]] became more widespread, it became easier for programmers to test a daily build on an NES.
As the [[PowerPak]] became more widespread, it became easier for programmers to test a daily build on an NES.
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! Problem Description
! Problem Description
! Screenshots
! Screenshots
|-
| [[Years Behind]]
| Scrolltext glitches, caused by slight inaccuracies in compensation for [[APU DMC]] DMA cycle stealing. Color glitches caused by mid-frame palette rewriting. [http://nesdev.parodius.com/bbs/viewtopic.php?p=12643#12643]
|
|-
|-
| [http://www.romhacking.net/trans/139/ Final Fantasy II (English translation, Neo Demiforce)]
| [http://www.romhacking.net/trans/139/ Final Fantasy II (English translation, Neo Demiforce)]

Revision as of 21:25, 24 February 2010

This page describes defects in homebrew games. For defects in commercial games, see Game Bugs.

Many older programs that are passed off as NES programs were tested exclusively with older, less accurate emulators, and do not work on a Nintendo Entertainment System.

Compatible Programs

See also: Projects

As the PowerPak became more widespread, it became easier for programmers to test a daily build on an NES. Games developed in the PowerPak era include

Almost Compatible Programs

Title Problem Description Screenshots
Final Fantasy II (English translation, Neo Demiforce) Version 1.02 and 1.03 — graphic glitches during intro, no text during prologue (blue screen without text). Caused by incorrect setting of nametables in PPUCTRL, misuse of PPUSCROLL, and reading of PPUSTATUS to detect VBLANK. [1]

Incompatible Programs