There’s a new fork of GB Studio, the favored Sport Boy recreation 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 “Massive Brother”).
You’re strongly suggested to already be aware of the unique GB Studio, earlier than making an attempt out BB Studio.
In case you are in search of the unique GB Studio, the pleasant downloadables could be discovered HEREand the supply code could be discovered HERE.
There are some variations you want to pay attention to when growing a NES recreation as an alternative of a Gameboy recreation:
- You have got extra display screen house: 256×240 as an alternative of 160×144. This could change the feel and appear of your GBC recreation fairly a bit, for higher or worse.
- The perimeters of the display screen shall 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 coloration to be the identical throughout all 4 background palettes.
- Usually black is an efficient selection for the shared background coloration – however your mileage could fluctuate.
- The exception is palette 7. That is solely used for UI, and has 4 distinctive colours.
- The NES has a restricted variety of complete colours, and the RGB colours entered within the UI shall be routinely transformed to NES colours when constructing. They could generally be off from what you supposed.
- The subsequent model could have an choice for specifying NES colours straight, to take away the guesswork of RGB -> NES coloration mapping.
- The NES graphics chip permits a lot fewer sprites / scanline than the GB/GBC. So you might want to be far more frugal with inserting sprites on the identical horizontal line.
- The 6502 CPU could wrestle to maintain up with the double-clocked GBC CPU. In case your recreation already tends to lag when operating in monochrome DMG mode, it should most likely wrestle on the NES as properly.
- Extra optimizations are deliberate for the following model.
Key Hyperlinks
You possibly can be taught extra about GB Studio and BB Studio for the NES within the video under.
