bread @bread.codes · Dec 8

All of this info about GB graphics also applies to the GBP! The structure of the image format is up to 640 byte chunks of tiled 2bpp image data. Moving on, serial data packets are incredibly simple for the GB Printer. Here is the structure of the packet. I'll explain each part next. [6/15]

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bread · Dec 8

First, the magic bytes are 0x88 & 0x33, this is identifying the start of the packet to the GB printer. Next, the commands we can send each tells the GBP to: - INIT (0x01): Reset - PRINT (0x02): Print stored data - DATA (0x04): Store sent data in RAM - STATUS (0x0F): Give back a status [7/15]