Prev: FFF0 Up: Map Next: FFF6
FFF3: return the base address of the I/O devices
Used by the routine at E097.
this routine will set XY to the address of the memory section where the memory mapped I/O devices are located. This address can then be used with an offset to access the memory mapped I/O devices in the computer.
FFF3 4C 00 E5 JMP $E500 return the base address of the I/O devices
Prev: FFF0 Up: Map Next: FFF6