package apple2 type cardBase struct { rom []memoryPage slot int ssr [16]softSwitchR ssw [16]softSwitchW } func (c *cardBase) insert(a *Apple2, slot int) { c.slot = slot if slot != 0 && c.rom[0] != nil { a.mmu.setPage(uint8(0xC0+slot), c.rom[0]) } 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]) } }