[Coco] 6502 to 6809 translation

[John Kent]

http://www.steeman.dk/CoCoManuals/6502-6809Translator.pdf

On 1/08/2011 11:26 PM, John Kent wrote:

>

>

> On 1/08/2011 10:42 PM, Phill Harvey-Smith wrote:

>>

>> Yeah that would work quite a lot of the code seems to be something like

>>

>>     ldy    #something

>> loop:

>>     lda    (indirect),y

>>     ;; do something with a here !

>>     iny

>>     bne    loop

>>

>>

>> So I guess that would become

>>

>>     ldy    (indirect)

>

> ldy indirect   ; (absolute addressing no indirect)

> where the address "indirect" holds the address you want to point to.

> .

>>     ldb    #something

>> loop:

>>     lda    b,y

>>     incb

>>     bne    loop

>>

>>

>> That would work well I think.

>>

>> Thanks.

>>

>> Phill.

>>

>


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