ref: 9fde0912c3d2e4255f43508118590c7c43cc71f2
dir: /home/sram.asm/
GetSRAMBank:: ; load sram bank a ; if invalid bank, sram is disabled cp NUM_SRAM_BANKS jr c, OpenSRAM jr CloseSRAM OpenSRAM:: ; switch to sram bank a push af ; latch clock data ld a, 1 ld [MBC3LatchClock], a ; enable sram/clock write ld a, SRAM_ENABLE ld [MBC3SRamEnable], a ; select sram bank pop af ld [MBC3SRamBank], a ret CloseSRAM:: push af ld a, SRAM_DISABLE ; reset clock latch for next time ld [MBC3LatchClock], a ; disable sram/clock write ld [MBC3SRamEnable], a pop af ret