Table-based version

Directory /pub/cbm/firmware/computers/plus4/

Here are the ROMs for the Commodore 264 series, which includes the C16, C116 and the plus/4.


../
[Parent directory]
364/
Firmware of the Commodore 364 prototype
[email protected]
Disk drive firmware
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Schematic diagrams

1551.318008-01.bin
1551 disk drive DOS ROM. The drive is connected to the expansion port via the TCBM interface (triple interface adapter chip).
3-plus-1.317053-01.bin
The 3-plus-1 word processor, function ROM low.
3-plus-1.317054-01.bin
The 3-plus-1 word processor, function ROM high.
3-plus-1.bin
The 3-PLUS-1 word processor. This has been saved from a running system, and therefore the bytes under the I/O area at $fd00-$ff3f are wrong. The part number is unknown, but this should be the newer of the two usual versions.
README
plus/4 parts and firmware versions
basic.318006-01.bin
Commodore 16 BASIC V3.5.
kernal.318004-04.bin
Commodore 16 KERNAL, machine language monitor and the character set. PAL-G version, revision 4.
kernal.318004-05.bin
Commodore 16 KERNAL, machine language monitor and the character set. PAL-G version, revision 5.
kernal.318005-04.bin
Commodore 16 KERNAL, machine language monitor and the character set. NTSC-M version, revision 4.
kernal.318005-05.bin
Commodore 16 KERNAL, machine language monitor and the character set. NTSC-M version, revision 5.
pla.txt
Commodore 16 and plus/4 PLA truth table and memory configuration information supplied by William M. Levak <[email protected]>.

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