VXI?Corporation F80 Especificaciones Pagina 130

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Page A−16 Pentek Model 6526 Operating Manual
Rev. A
A.1 Boot EPROM Source Code Listing (continued)
ldi *ar6--,r1 ; Get test pattern
cmpi r7,r1 ; Compare memory to pattern
bnz mt4er1 ;
mt4l
nop ;
mt5
ldi @staddr,ar6 ; Load start address
ldi ar2,rc ; Load length
rptb mt5l ;
ldi *ar6,r1 ; Get previous test pattern
cmpi r7,r1 ; Check previous pattern
bnz mt5er1 ;
sti r6,*ar6 ; Store next pattern
ldi *ar6--,r1 ;
cmpi r6,r1 ; Verify that it wrote correctly
bnz mt5er2 ;
mt5l
nop
cmpi ar4,ar5 ; See if all patterns tested
bz mt_end ;
ldi *ar4++,r7 ; Load memory test area with current pattern
ldi *ar4,r6 ; Load next test pattern
b mt5 ; Continue testing
mt_end
ldi 0,r5 ; Return test passed code
b mt_rtn ;
; ar6 contains address of failure
; r7 contains good word
; r1 contains bad word
mt1er1
ldi 0e1h,r5 ;
b mt_rtn ;
mt4er1
ldi 0e4h,r5 ;
b mt_rtn ;
; ar6 contains address of failure
; r6 contains good word
; r1 contains bad word
mt2er1
ldi 0e2h,r5 ;
b mt_rtn ;
mt5er1
ldi 0e5h,r5 ;
b mt_rtn ;
; ar6 contains address of failure
; r6 contains good word
; r1 contains bad word
mt2er2
ldi 0e3h,r5 ;
b mt_rtn ;
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