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Mapper coverage: status and roadmap

Status: Open.

#568 In bfirsh/jsnes;

· bfirsh opened on Feb 16, 2026

Implement dot-level PPU rendering pipeline

Status: Open.

#565 In bfirsh/jsnes;

· bfirsh opened on Feb 15, 2026

Phone/tablet/touchscreen interface

Status: Open.

#564 In bfirsh/jsnes;

· bfirsh opened on Feb 15, 2026

Sprite issues in Punch-Out

Status: Open.

#561 In bfirsh/jsnes;

· bfirsh opened on Feb 15, 2026

Implement cycle-accurate DMA bus interleaving

Status: Open.

#535 In bfirsh/jsnes;

· bfirsh opened on Feb 12, 2026

add more mapper can you???

Status: Open.

#494 In bfirsh/jsnes;

· RyuSeiri opened on Nov 28, 2025

Maximum call stack size exceeded

Status: Open.

#460 In bfirsh/jsnes;

· df257 opened on Jul 29, 2025

Example Code for Django & Vanilla JS?

Status: Open.

#453 In bfirsh/jsnes;

· SV1003 opened on Oct 10, 2024

Can you support these Roms?

Status: Open.

#448 In bfirsh/jsnes;

· woeoio opened on Feb 23, 2024

Super Mario Bros. (Two Players Hack) not working

Status: Open.

#447 In bfirsh/jsnes;

· Ankarar opened on Apr 15, 2023

When playing on a display that is higher than 60hz, games run faster than they are supposed to- leaving games nearly unplayable.

Status: Open.

#445 In bfirsh/jsnes;

· HerobrineGamesYT opened on Feb 2, 2023

mapper4 There seems to be a problem

Status: Open.

#437 In bfirsh/jsnes;

· ZhaoTonggang opened on Oct 27, 2022