BankswitchCommon::
	ldh [hLoadedROMBank], a
	ld [MBC1RomBank], a
	ret

Bankswitch::
; self-contained bankswitch, use this when not in the home bank
; switches to the bank in b
	ldh a, [hLoadedROMBank]
	push af
	ld a, b
	ldh [hLoadedROMBank], a
	ld [MBC1RomBank], a
	call JumpToAddress
	pop bc
	ld a, b
	ldh [hLoadedROMBank], a
	ld [MBC1RomBank], a
	ret
JumpToAddress::
	jp hl

OpenSRAM::
	push af
	ld a, SRAM_BANKING_MODE
	ld [MBC1SRamBankingMode], a
	ld a, SRAM_ENABLE
	ld [MBC1SRamEnable], a
	pop af
	ld [MBC1SRamBank], a
	ret

CloseSRAM::
	push af
	ld a, SRAM_DISABLE
	ld [MBC1SRamBankingMode], a
	ld [MBC1SRamEnable], a
	pop af
	ret