🚀 go-pugleaf

>In article <15433@cbmvax.commodore.com> valentin@cbmvax.commodore.com (Valentin Pepelea) writes:
>In article <2728cc8d-a00comp.sys.amiga.tech@tronsbox.xei.com>
>dfrancis@tronsbox.xei.com (Dennis Francis Heffernan) writes:
>>
>>      Well, I've hit a good one.  I've finally gotten around to trying to l
>>learn assembly on this beast, and my first program crashes.
>>
>>getvarmem     move #4,a6                    ;get memory for variables
>>              move.b #60,D0
>>              move.l #0,D1
>>              jsr _LVOAllocMem(A6)
>>              bne 1$
>>              jmp giveup                    ;didn't get 60 bytes?  SHEESH!
>>1$            move.l D0,vars                ;stash the address for variables
>
>The first problem is with the first instruction. What is the data width of
>that instruction? What data width does your assembler default to? Replace
>that instruction with "move.l #4,a6".

 Wait-a-sec!

 He certainly doesn't want to do that!

 Try:

 move.l 4,a6

 Or for those of us who have this strange preference for descriptive labels:

 move.l _AbsExecBase,a6


>
>The second problem is with the test for the return value. Hey, wait a minute,
>you are not testing for the return value at all! Here is what you should do:
>
>               jsr     _LVOAllocMem(a6)        ; Try to allocate memory
>               tst.l   d0                      ; Is the return value zero?
>               beq     giveup                  ; Branch if so
>               move.l  d0,vars                 ; Stash the address
>
>Valentin
>--
>The Goddess of democracy? "The tyrants    Name:    Valentin Pepelea
>may destroy a statue,  but they cannot    Phone:   (215) 431-9327
>kill a god."                              UseNet:  cbmvax!valentin@uunet.uu.net
>             - Ancient Chinese Proverb    Claimer: I not Commodore spokesman be

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