Re: 11801 bug fixes

Albert Otten
 

On Mon, Oct 28, 2019 at 09:52 PM, Reginald Beardsley wrote:


F4 F4 F4 F4 F4 F4 34 41 | . . . . . . 4A
63 71 20 34 00 F4 F4 F4 |cq 4 . . . .
F4 F4 F4 F4 34 41 63 71 |. . . .4Acq
20 35 00 F4 F4 F4 F4 F4 |5 . . . . . . .
F4 4F 34 41 63 71 20 36 |. . 4Acq 6
Hi Reg,

The 11801 has other chips than the later types (letter suffix). Also it seems the 11801 and CSA803 don't have factory set calibration constants.

If you start dumping memory from 0x1DD70 in 0x60 byte blocks you can read the names of the routines in the diagnostic manual.
IIRC I couldn't find those names in the CSA803(A), probably because some memory bank switching is needed.

Albert

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