Re: A83: Program Creation and the like
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Re: A83: Program Creation and the like
Yeah, that looks good. Only, you add the old size to hl, so you're inserting
way too much memory there... Add a push/pop pair somewhere.
Linus
On 04-Sep-98, Harper Maddox wrote:
>thanks...
>btw, does that insertmem call increase the leading 2 bytes (programs memory
>counter)
>or did you mean i could just do:
> ld d,(ix)
> ld e,(ix+1) ; ix = start of prog
> ld hl,100
> add hl,de
> ld (ix),h
> ld (ix+1),l
> call _insertmem
>-Harper Maddox
>jerky@ebicom.net
>IRC nick: Geori
>ICQ: 1214597
>-----Original Message-----
>From: Linus Akesson <lairfight@softhome.net>
>To: Harper Maddox <assembly-83@lists.ticalc.org>
>Date: Friday, September 04, 1998 3:04 PM
>Subject: Re: A83: Program Creation and the like
>>
>>On 04-Sep-98, Harper Maddox wrote:
>>
>>>I finally figured out how to load programs from the vat, with certain
>>>characters at the start of the program. Now im able to display the name
>of
>>>the program, as well as the memory it takes up.
>>> But what i want to know is how to increase the size of a program. Can
>>>you adjust the size of the program from simply increasing the leading 2
>>>bytes of a program? Im assuming you have to set a few system flags.
>>
>>Increase those leading 2 bytes, but also _insertmem 2 bytes somewhere
>inside
>>the program. (hl = 2, de = address)
>>
>>>Also how do I create a new program? (ie. what are the specific calls)
>>
>>_createprog, name in OP1, size in hl (? not sure).
>>
>>Linus
>>
References: