Intel 8XC196MD User Manual

9-23

;load WFG registers
;

call wgout

;initialize WG_OUTPUT register

call loadregs

;initialize reload & compare regs

call protect

;initialize protection

call wgcon

;initialize WG_CONTROL

;
;enable interrupts & loop here
;

ei
sjmp $

;
;****************************************
; form WG_OUTPUT value from variable data
;****************************************
; 
wgout:

ld

temp,op1

;get op1

and

temp,#0001h

;mask

shl

temp,#15

;move bit to correct location

ld

temp1,op0

;get op0

and

temp1,#0001h

;mask

shl

temp1,#14

;move bit to correct location

or

temp1,temp

;combine

ld

temp,sync

;get sync bit

and

temp,#0001h

;mask

shl

temp,#13

;move to correct location

or

temp1,temp

;combine

ld

temp,pe7

;get pe7 bit

and

temp,#0001h

;mask

shl

temp,#12

;move to correct location

or

temp1,temp

;combine

ld

temp,pe6

;get pe6 bit

and

temp,#0001h

;mask

shl

temp,#11

;move to correct location

or

temp1,temp

;combine

ld

temp,ph3

;get ph3 bits

and

temp,#0004h

;mask for ph3.2

shl

temp,#8h

;move

or

temp1,temp

;combine

ld

temp,ph2

;get ph2 bits

and

temp,#0004h

;mask for ph2.2

shl

temp,#7h

;move

or

temp1,temp

;combine

ld

temp,ph1

;get ph1 bits

and

temp,#0004h

;mask for ph1.2

shl

temp,#6h

;move

or

temp1,temp

;combine

ld

temp,p7

;get p7 bit

and

temp,#0001h

;mask

shl

temp,#7

;move to correct location