There’s a new fork of GB Studio, the favored Sport Boy sport engine, known as BB Studio that may now goal the Nintendo Leisure System (NES). BB Studio is described as:
“BB Studio” is a heavily-hacked model of the superior GB Studio by Chris Maltby.
It replaces the Sport Boy goal with the NES (the Sport Boy’s “Large Brother”).
You’re strongly suggested to already be accustomed to the unique GB Studio, earlier than attempting out BB Studio.
In case you are searching for the unique GB Studio, the pleasant downloadables may be discovered HEREand the supply code may be discovered HERE.
There are some variations you want to pay attention to when creating a NES sport as an alternative of a Gameboy sport:
- You’ve extra display area: 256×240 as an alternative of 160×144. This will change the feel and appear of your GBC sport fairly a bit, for higher or worse.
- The sides of the display can be partially cropped on an actual TV – this varies relying on TV mannequin.
- You possibly can solely use half the variety of background and sprite palettes in a scene. (for now)
- NES background palettes additionally require the primary shade to be the identical throughout all 4 background palettes.
- Usually black is an effective selection for the shared background shade – however your mileage might differ.
- The exception is palette 7. That is solely used for UI, and has 4 distinctive colours.
- The NES has a restricted variety of whole colours, and the RGB colours entered within the UI can be robotically transformed to NES colours when constructing. They could generally be off from what you supposed.
- The subsequent model may have an possibility for specifying NES colours straight, to take away the guesswork of RGB -> NES shade mapping.
- The NES graphics chip permits a lot fewer sprites / scanline than the GB/GBC. So it is advisable to be far more frugal with putting sprites on the identical horizontal line.
- The 6502 CPU might battle to maintain up with the double-clocked GBC CPU. In case your sport already tends to lag when working in monochrome DMG mode, it should most likely battle on the NES as effectively.
- Extra optimizations are deliberate for the subsequent model.
Key Hyperlinks
You possibly can be taught extra about GB Studio and BB Studio for the NES within the video under.
