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| On this page you can find emulators, some ROMs, useful programs and utilities in relation with the C16 or plus/4. Some of them are prepared by me. |
| Choose download section: YAPE | ROMs | Utilities |
| YAPE - yet another plus/4 emulator | YAPE is a decent
no-nonsense plus/4 emulator. It's being developed for 10+ years by
now and it is available in Windows as well as multiplatform
editions, although the latter lags several versions behind the
former. See the relevant README files for more detailed
information.
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| Disassembled ROM of the C364 | In 2006 Yape has reached
a milestone: one could hear the V364 talking again realtime. Back
in 2000 I have disassembled the Speech ROM (called SPK3CC4.BIN) of
the Commodore V364 and started adding comments to it but never
really got around to finishing it as it was not necessary for
getting the emulation work. If someone feels the challenge of
digging into it more deeply he/she download the ROM list and add
his/her comments to it. Here are the necessary files:
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| Disassembled ROM of the C1551 drive |
I have also
disassembled the ROM of the 1551 drive specially designed for the
264 series. It is based on the complete 1541 disassembly by Frank
Kontros. It is very handy for emulator authors or people willing
to program the 1551 drive. Here is the disassembly, actually it
should be possible to recompile it:
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| KERNAL.BIN containing Hungarian character set |  The Commodore plus/4 had a
great success on the Hungarian market back in the mid-eighties, as
described on the history page. It was
selected as an official school computer, because after the failure
of this machine, stocks were sold out across Europe at a very low
price with which noone could compete in Hungary. As such, however,
it had to know the Hungarian alphabet. It was pretty hard to fit
those hungarian characters into an 8x8 matrix!You can now download a hacked version of KERNAL.BIN (that comes with WinEMU and YAPE) from here to try the Hungarian alphabet. Unzip it to your WinEMU or YAPE directory and overwrite the original KERNAL.BIN (after making a backup, of course). Note, that you can only access the Hungarian character set from lower case mode by pressing the C= key (ALT on WinEMU) and one of the keys from the upper two rows of the alphanumeric keys. Here is the ROM in zipped format:
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| D64 plugin for Windows Commander | Norbert Kintzler,
author of many great maps for Commodore plus/4 games has kindly
contributed his Windows Commander plugin that supports D64 files.
That means that you can search a program file easily from the
Commander. Isnt't it cool? Note however that this is a beta
release and contains bugs, so don't use it until you have backed
up your files!
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| MOS 7501 disassembler for DOS, Linux and Windows | Most of today's best
emulators of the C16/+4 contain some sort of source level
debugging tool. But what if you want to print out the assembly
source? None of them currently provides such an ability, so I
thought what the heck, let's write one! Zsolt (the author of
WinEMU) was kind enough to provide me with the mnemonic listings
of the 7501 CPU, so I could dig myself instantly into it. The
results are three files. The first is working in console mode, has
ANSI compliant C source code, that can be compiled and used for
DOS, Linux and Windows. Precompiled binary is available for Win32
only. The other one has a Windows GUI interface, which will be
developed further regularly if there's some need for it.
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