SD card based multi-purpose cartridge for the SNES - I'll use this fork to push my local changes.

ikari b5c07a1966 slight speedup for block writes %!s(int64=14) %!d(string=hai) anos
gfx ed22950f47 display logo gfx, misc gfx related helpers %!s(int64=14) %!d(string=hai) anos
pcb c8c38f7b3a new pcb with autonomous clock %!s(int64=14) %!d(string=hai) anos
snes dce8e08336 menu nav update, improve autosave, fix db creation (bankswitch), SRAM size, SPI speed fix in shared mode, soft reset, mapper detect %!s(int64=14) %!d(string=hai) anos
src b5c07a1966 slight speedup for block writes %!s(int64=14) %!d(string=hai) anos
utils a749f77037 utils %!s(int64=14) %!d(string=hai) anos
verilog 81097a290e misc stuff, preparation hack for autonomous clock (needs to be reverted) %!s(int64=14) %!d(string=hai) anos