ELITE SERIES USER MANUAL
THEORY OF OPERATION
Because of hardware constraints, data bytes must
be written in 32 processor (6502) cycle loops.
The following example illustrates an immediate
load of the accumulator followed by a write.
Because timing is critical, different routines
may be necessary depending upon how the data is
to be accessed and code cannot cross memory page
boundaries without an adjustment. See the fol-
lowing sample write program.
LDA
#$D5
(3 cycles)
JSR
WRITE9
(6)
LDA
#$AA
(3)
JSR
WRITE9
(6)
WRITE9
CLC
(2)
WRITE7
PHA
(3)
PLA
(4)
WRITE
STA
$C08D,X
(5)
ORA
$C08C,X
(4)
RTS
(6)
N O T E :
Software that uses only the commands of
the Apple controller will work with the Elite
Controller Card.
P a g e 7 — 2 5
Summary of Contents for Elite Controller
Page 1: ...RanaSystems EliteSeries User Manual...
Page 19: ...ELITE SERIES USER MANUAL INSTALLATION This page intentional1y left blank Page 1 6...
Page 67: ...ELITE SERIES USER MANUAL DOS ENHANCEMENTS This page intentionally left blank Page 3 42...
Page 143: ...ELITE SERIES USER MANUAL SECTION 5 This page intentionally left blank Page 5 2...
Page 153: ...ELITE SERIES USER MANUAL SPECIFICATIONS Fig 6 8 Physical Dimensions of Elite Drives Page 6 10...
Page 154: ...ELITE SERIES USER MANUAL SPECIFICATIONS Fig 6 9 Elite Controller Physical Dimensions Page 6 11...
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Page 165: ...ELITE SERIES USER MANUAL THEORY OF OPERATION This page intentionally left blank Page 7 2...
Page 189: ...ELITE SERIES USER MANUAL THEORY OF OPERATION This page intentionally left blank Page 7 26...
Page 231: ...ELITE SERIES USER MANUAL ENHANCED DOS UTIL This page intentionally left blank Page 9 34...
Page 271: ...ELITE SERIES USER MANUAL SECTION 11 This page intentionally left blank Page 11 2...
Page 273: ...ELITE SERIES USER MANUAL APPEN A DISK I O This page intentionally left blank Page A 2...
Page 282: ...ELITE SERIES USER MANUAL APPEN A DISK I O Fig A I FM Recording Pattern Page A 11...
Page 283: ...ELITE SERIES USER MANUAL APPEN A DISK I O Fig A 2 FM Bit Cell Page A 12...
Page 289: ...ELITE SERIES USER MANUAL APPEN A DISK I O Fig A 6 Track Fomatting Page A 18...
Page 310: ...ELITE SERIES USER MANUAL APPEN A DISK I O Fig A 19 6 plus 2 Encoding Page A 39 800 900 956...
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