Re: A89: Re: evaluating expressions
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Re: A89: Re: evaluating expressions
In case someone didn't notice you can't use these asm statements in
a68k... it's gas' format. Btw, is lea "better" than addq when adjusting
the stack pointer?
Zeljko Juric wrote:
> pea expr(pc)
> jsr tios::push_parse_text
> move.l tios::top_estack,-(sp)
> jsr tios::NG_rationalESI
> lea (sp,8),sp
> ....
> expr: .ascii "X^2+3"
> dc.b 0
pea expr(pc)
jsr doorsos::push_parse_text
move.l doorsos::top_estack,-(a7)
jsr doorsos::NG_rationalESI
lea (a7,8),a7
....
expr: dc.b "X^2+3",0
[snip]
> pea var(pc)
> move.l tios::top_estack,-(sp)
> jsr tios::estack_to_ushort
> lea (sp,8),sp
> move.w var,d0
> ....
> var:dc.w 0
pea var(pc)
move.l doorsos::top_estack,-(sp)
jsr doorsos::estack_to_ushort
lea (a7,8),a7
move.w var,d0
....
var:dc.w 0
--
Scott "Wrath" Dial
wrath@calc.org
ICQ#3608935
Member of TCPA - tcpa.calc.org
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