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abc1600: Add debugging notes.

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This commit is contained in:
Curt Coder 2021-01-08 12:01:18 +02:00
parent fb93d46234
commit eca7a6ff0f
2 changed files with 11 additions and 1 deletions
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9
src/devices/bus/abcbus/lux4105.cpp
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@ -41,7 +41,14 @@ Notes:
TODO
- sector length error in read check after format
- sector length error in read check after format (breakpoint @ 97ba)
0C xx INITIALIZE DRIVE CHARACTERISTICS
01 00 00 00 00 02 RECALIBRATE
04 00 00 00 05 02 FORMAT UNIT
08 00 00 00 11 02 READ
...transfer 8704 (17*512) bytes...
error
*/

3
src/mame/drivers/abc1600.cpp
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@ -35,6 +35,9 @@
TODO:
- sas/format/format in abcenix tries to access the SASI card using a memory location mapped for task 0, when the process is run as task 1
- MAC task/page/segment addressing failure?
- MAC page/segment RAM write strobe decoding failure?
- CPU does not enter supervisor mode when needed?
[:mac] ':3f' (0009E) ff800:4f TASK 0 SEGMENT 15 PAGE 15 MEM 7f800-7ffff 1ff800
[:mac] ':3f' (0009E) ff801:ff TASK 0 SEGMENT 15 PAGE 15 MEM 7f800-7ffff 1ff800