65c816 and twilighte board/orix : here we go :)

Want to discuss about Demos on the Oric, here you are !
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jede
Flying Officer
Posts: 179
Joined: Tue Mar 14, 2006 11:53 am
Location: France

65c816 and twilighte board/orix : here we go :)

Post by jede »

Soon gl65 in 16 bits on the oric ? :)

Of course the routine could be written to be quicker (copy blocks opcodes or zero page ...)

The picture is displayed with a 65C816 cpu and a 65C816 routine, it loads from sdcard or from usb (from PC) if we want (it solves emulators issues, because program can be executed on the real hardware directly).





ca65 code :

Code: Select all

...
sei
.P816
.a8
.i16
    clc
    xce
    rep   #$10
    ldx   #$00
@L1:    
    lda   yessa,x
    sta   $a000,x
    inx
    cpx   #8000
    bne   @L1

    sec 
    xce
    cli
    rts
    ...
    

jbperin
Pilot Officer
Posts: 105
Joined: Wed Nov 06, 2019 11:00 am

Re: 65c816 and twilighte board/orix : here we go :)

Post by jbperin »

WOW !! :shock:

Silicon Graphorics in progress .. that's so crazy ! :D :D

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Dbug
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Posts: 3351
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Location: Oslo, Norway
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Re: 65c816 and twilighte board/orix : here we go :)

Post by Dbug »

Nice, I guess you are still limited to 64k address space, or did you find a way to access more ram?

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