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Shared Program Code
C-6
Example C–2. Header File With I/O Register Declarations (init.h)
* File: init.h *
* Include file with I/O register declarations *
.mmregs ; Include reserved words
.bss dmem,10 ; Undefined variables space
.def ini_d, start,codtx ; Directive for symbol address
; generation in the current module
; –optional
ini_d: .usect ”new”,10 ; Example of undefined variable space
; with the segment’s name as ”new”
.data ; Example of including dummy constants
; –optional
.word 055aah
.word 0aa55h
* On–chip register equates
* CLKOUT
clk1 .set 0ffe8h
* INTERRUPT CONTROL
icr .set 0ffech
* SYNC PORT
sdtr .set 0fff0h
sspcr .set 0fff1h
* UART
adtr .set 0fff4h
aspcr .set 0fff5h
iosr .set 0fff6h
brd .set 0fff7h
* TIMER
tcr .set 0fff8h
prd .set 0fff9h
tim .set 0fffah
* WAIT STATES
wsgr .set 0fffch
* Variables
rxbuf .set 0300h
size .set 00020h
del .set 0010h