CartFlasher: Difference between revisions

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Link to the project on github: https://github.com/Red-Fool/F256_FlashCart
Link to the project on github: https://github.com/Red-Fool/F256_FlashCart


According to [https://discord.com/channels/691915291721990194/1225217740998971413 this info] the flash chip in the cartridge is a Sst39vf040.
According to [https://discord.com/channels/691915291721990194/1225217740998971413 this info] the flash chip in the cartridge is a [https://www.microchip.com/ Microchip]
The data sheet of this chip can be found [https://ww1.microchip.com/downloads/en/DeviceDoc/20005023B.pdf here]. The BASIC program is not  
Sst39vf040. The data sheet of this chip can be found [https://ww1.microchip.com/downloads/en/DeviceDoc/20005023B.pdf here]. The cartFlasher program is not  
understandable without this data sheet as commands which are to be sent to the chip are encoded as reads and writes to and from specific addresses
understandable without this data sheet as commands which are to be sent to the chip have to be encoded as reads and writes to and from specific addresses
in a specific sequence.
in a specific sequence.

Latest revision as of 10:40, 9 December 2024

https://discord.com/channels/691915291721990194/1054250056703815680/1228540690691260416

Link to the project on github: https://github.com/Red-Fool/F256_FlashCart

According to this info the flash chip in the cartridge is a Microchip Sst39vf040. The data sheet of this chip can be found here. The cartFlasher program is not understandable without this data sheet as commands which are to be sent to the chip have to be encoded as reads and writes to and from specific addresses in a specific sequence.