A85: Re: Re: Assembly-85 Digest V1 #475


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A85: Re: Re: Assembly-85 Digest V1 #475




If you are new to z80 asm using the OPs is probable not a good idea, since
it requires you to handle the differences between ROM versions in your own
program. Using two 8 bit registers to store numbers in is alot easier, so
try using that. You can find 16 bit fix point math routines at my homepage,
which should be enough to get you started.

Dines
----- Original Message -----
From: <MalcolmJ1@aol.com>
To: <assembly-85@towerguard.unix.edu.sollentuna.se>
Sent: Wednesday, January 20, 1999 8:56 PM
Subject: A85: Re: Assembly-85 Digest V1 #475


>
>i'm really new to z80 asm.  i saw the stuff on the op registers and
everthing.
>what's that all about?  i want to make a program that will do input and
output
>just like the homescreen.  i was trying to make decimal numbers but i had
to
>use two 8bit registers (the first one was the numbers before the decimal
point
>and the second 8bit is the decimal numbers).  but the code i was writing
was
>really-really-really long.  can someone show me how to use the op
registers?
>that would be awesome? or if someone could point me in the right direction
of
>where i can find the information, that would be awesome too.  i read
>tirom10.txt but it didn't help that much.  well, thanks a ton.  see ya.
>
>jimi
>