Re: A82: Efficiency
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Re: A82: Efficiency
LDIR is used to put a pic on the screen...
RST has different uses... In 86 ASM, you can do
rst 20h ; Copy HL to OP1
rst 10h ; Looks up variable, BDE = ABS addr to program
which proves to be useful in saving variables [like high scores].
-Ahmed.
At 12:58 AM 1/2/98 +0000, you wrote:
>
>Right now, an assembler I am working on can only correctly compile programs
>under 256 bytes (why..I'm still working on that). However, I still want to
>program assembly until the problem is fixed.
>
>Does anyone know of any small, useful lines of code that get a lot done in a
>little space?
>
>Also, would the following questions save space?
>how do you use EX and EXX and what is AF'?
>how do you use IND, INDR, INI, INIR?
>how do you use LDD, LDDR, LDI, LDIR
>does RST have any usefullness?
>
>Thankyou,
>Matt Stack
>
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