mr                              ;clear current memory map
ma 0, 0x80, iram                ;128 Bytes Ram
ma 0x1010, 0x10, iram           ;System Control Register
ma 0x1020, 0x10, iram           ;Digital I/O
ma 0x1030, 0x10, siper          ;SPI
ma 0x1040, 0x10, tiper          ;Timer 1
ma 0x7000, 0x1000, erom         ;4K ROM
