Re: A86: Re: [sqrt] program trouble

To: <assembly-86@lists.ticalc.org>
Subject: Re: A86: Re: [sqrt] program trouble
From: "Dux Gregis" <assets@eden.rutgers.edu>
Date: Tue, 6 Oct 1998 21:48:47 -0400
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org






>
>In a message dated 10/6/98 21:02:18 Eastern Daylight Time,
>assets@eden.rutgers.edu writes:
>
>> This is a problem, you don't want to return with the zero flag reset or
you
>>  will reorganize the key board matrix.  It should be jr nz,End
>>   You also need to get the keypress before you can check it.  Asm modules
>>  only return without changing registers.
>>
>>   ld a,($d625)
>>   ret z                        ;this will speed it up a little, note that
>the
>>  zero flag is set
>
>
>what's the documented name for memory address $d625 ?
>is that instead of the alpha checking code?

_asm_reg_a in ti86asm.inc
that just gets the keypress; all registers are passed to modules through
_asm_reg_x(x)

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