`define MEMBASE 'h400000
`define DATABASE 'h10010000
`define TEXTSIZE 'h100
`define MEMSIZE 'h200
`define MEMRANGE `MEMBASE:`MEMBASE+`MEMSIZE-1
`define A(addr) ((addr)-`DATABASE+`MEMBASE+`TEXTSIZE)
`define MEM(addr) mem[((addr)-`DATABASE+`MEMBASE+`TEXTSIZE)]