There’s a new fork of GB Studio, the favored Recreation Boy recreation engine, referred to 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 Recreation Boy goal with the NES (the Recreation Boy’s “Massive Brother”).
You’re strongly suggested to already be accustomed to the unique GB Studio, earlier than attempting out BB Studio.
In case you are in search of 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 growing a NES recreation as an alternative of a Gameboy recreation:
- You’ve extra display house: 256×240 as an alternative of 160×144. This may change the appear and feel of your GBC recreation 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 may 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.
- Sometimes black is an effective alternative for the shared background coloration – however your mileage might range.
- 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 routinely transformed to NES colours when constructing. They could generally be off from what you meant.
- The subsequent model could have an choice for specifying NES colours instantly, 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 that you must be way more frugal with inserting sprites on the identical horizontal line.
- The 6502 CPU might 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 is going to in all probability wrestle on the NES as nicely.
- Extra optimizations are deliberate for the following model.
Key Hyperlinks
You may be taught extra about GB Studio and BB Studio for the NES within the video beneath.