Changes
/* FDC Basic testbench */
It seems that looking at STATUS is needed between SEEK and SENSE_INTERRUPT_STATUS. It's said that SENSE_INTERRUPT_STATUS is needed after SEEK.
WinAPE :
CAT
Too slow to execute a READ_DATA in Basic...
JEMU :
CAT
RUN
GOTO 540
// READ_ID
HD US1 US0)
01001001
ST0
00000000
ST1
00000000
ST2
00000000
C
00000000
H
C6 or C1
R
00000010
N
// READ_DATA
(MT MF SK
HD US1 US0)
C
H
R
N
EOT
GPL
DTL
00010000
BAD STATUS
11010000 // no EXEC sequence...
01000000 // ... due to
ST0
00000101 // NO_DATA & ADDR_MISSING
ST1
00000101 // SCAN_NOT_SATISFIED & ADDR_MISSING
ST2
00000101
C
00000101
H
05
R
00000101
N
ST3SENSE.BAS :
