[Coco] reading second side of real floppy disk on VCC

David Ladd davidwladd at gmail.com
Mon May 6 10:53:28 EDT 2024


```
CoCo Disk Basic x.1
ROM Addresses for drive # table
$D89D = $01    ; Drive #0 = Real floppy 0
$D89E = $02    ; Drive #1 = Real Floppy 1
$D89F = $04    ; Drive #2 = Real Floppy 2
$D8A0 = $40    ; Drive #3 = Real Floppy 3 OR Backside of double sided
floppy drives
To change Drive #2 to back side of real floppy 0 do the following
POKE &HD89F,&H41
To change Drive #3 to back side of real floppy 1 do the following
POKE &HD8A0,&H42
```
Sincerely,
David Ladd
***END OF LINE***




On Sat, May 4, 2024 at 11:30 PM Jim Brain (2022-23 GCCC President) via Coco
<coco at maltedmedia.com> wrote:

> RSDOS on VCC
>
> fd502 selected
>
> fdrawcmd.sys loaded on XP
>
> fd502 disk 0 mapped to A drive
>
> dir0 only shows side 0.
>
> How to dir side 1
>
> Asking for someone at the show.  Help needed.
>
> Jim
>
>
> --
> Jim Brain, 2023-24 President
> Glenside Color Computer Club (GCCC)
> president at glensideccc.com
> www.glensideccc.com
>
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> https://pairlist5.pair.net/mailman/listinfo/coco
>


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