Subject: Re: Floppy driver
To: None <>
From: Brad Pepers <>
List: amiga-dev
Date: 02/28/1994 17:54:13
> >> PC and Amiga formats both use MFM with 0x4489 as the sync pattern.
> >> The track I/O code can be shared.  The sector decode code cannot.
> >>>>> Brad wrote:
> pepersb> Yes I think I will be able to do this by only writing two new
> pepersb> routines which handle sector <-> raw track for msdos type
> pepersb> tracks.
> I think that MSDOS tracks have to be written aligned to the index sync
> pulse.
> The MSH code triggers write DMA start on the occurence of an index
> sync interrupt (Flag interrupt on CIA B, interrupt level 6).

Hmmm... thought it may not be so easy.... Well that won't be too hard
to do!

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