package apple2 type cardBase struct { a *Apple2 rom *memoryRange slot int ssr [16]softSwitchR ssw [16]softSwitchW } func (c *cardBase) insert(a *Apple2, slot int) { c.a = a c.slot = slot if slot != 0 && c.rom != nil { c.rom.base = uint16(0xc000 + slot*0x100) a.mmu.setPagesRead(uint8(0xc0+slot), uint8(0xc0+slot), c.rom) } for i := 0; i < 0x10; i++ { a.io.addSoftSwitchR(uint8(0xC80+slot*0x10+i), c.ssr[i]) a.io.addSoftSwitchW(uint8(0xC80+slot*0x10+i), c.ssw[i]) } }