Commodore 128 Programmer's Reference Manual page 545

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MEMORY
ADDRESS
* LABEL
DMA CMD
DMA ADL
DMA ADH
DMALO
DMA HI
DMA BNK
THE COMMODORE 128 AND <
HEXADECIMAL DECIMAL
ADDRESS
DF01
DF02
DF03
DF04
DF05
DF06
ADDRESS
57089
57090
57091
57092
57093
57094
COMMODORE 64 MEMORY MAPS 535
DESCRIPTION
7
6
5
4
3-0
INTERRUPT
PENDING (1 = INT.
WAITING TO BE
SERVICED)
END OF BLOCK
(1=TRANSFER
COMPLETE)
FAULT (1=BLOCK
VERIFY ERROR)
SIZE(0 = EXP.
MEMORY =
128K)
(1 = EXP.
MEMORY =
512K)
VERSION
DMA CONTROLLER COMMAND
REGISTER
7
6
5
4
3
2
1-0
EXECUTE
RESERVED
LOAD (1 = ENABLE
AUTO = LOAD)
$FF00 (1 = DISABLE $FF00
DECADES)
RESERVED
RESERVED
MODE (00 = TRANSFER
FKUM IINTUKINAL 1U
EXTERNAL,
01 = FROM EXT TO INT,
10 = SWAP, 11 = VERIFY)
LSB OF INTERNAL (C128) ADDRESS
TO ACCESS
MSB OF INTERNAL (C128) ADDRESS
TO ACCESS
LSB OF EXTERNAL EXPANSION
RAM TO ACCESS
MSB OF EXTERNAL EXPANSION
RAM TO ACCESS
54K EXTERNAL RAM BANK
BITS ($DF06)