There’s a new fork of GB Studiothe favored Recreation Boy sport engine, known as BB Studio, which may now goal the Nintendo Leisure System (NES). BB Studio is described as:
“BB Studio” is a closely pirated model of Chris Maltby’s implausible GB Studio.
It replaces the aim of the Recreation Boy with the NES (the Recreation Boy’s “Huge Brother”).
It’s extremely beneficial to be accustomed to the unique GB Studio earlier than attempting BB Studio.
In case you are in search of the unique GB Studio, you will discover the pleasant downloadables HEREand the supply code will be discovered HERE.
There are a number of variations it is best to have in mind when creating an NES sport versus a Gameboy sport:
- You might have extra display area: 256×240 as a substitute of 160×144. This could change the look of your GBC sport fairly a bit, for higher or worse.
- The display edges shall be partially cropped on an actual TV; This varies relying on the TV mannequin.
- You may solely use half as many background and sprite palettes in a scene. (for now)
- NES background palettes additionally require the primary coloration to be the identical throughout all 4 background palettes.
- Usually, black is an efficient selection for the shared background coloration, however your mileage might range.
- The exception is palette 7. It’s only used for the UI and has 4 distinctive colours.
- The NES has a restricted variety of whole colours and RGB colours entered within the UI will robotically be transformed to NES colours when constructing. Typically they might not match what you meant.
- The following model can have an choice to specify NES colours instantly, to take the guesswork out of RGB -> NES coloration mapping.
- The NES graphics chip permits for much fewer sprites/scanlines than the GB/GBC. Due to this fact, you ought to be far more frugal when inserting sprites on the identical horizontal line.
- The 6502 CPU might have a tough time maintaining with the dual-frequency GBC CPU. In case your sport already tends to lag when operating in monochrome DMG mode, it would in all probability have issues on NES as nicely.
- Extra optimizations are deliberate for the subsequent model.
Key hyperlinks
You may study extra about GB Studio and BB Studio for NES on the video under.
