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Commodore Free 37
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Commodore_Free_Issue_37_2010_Commodore_Computer_Club.d64
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2023-02-26
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*************************************
MINIMIG PORT AVAILABLE FOR C=ONE
*************************************
www.c64upgra.de/c-one
Tobias Gubener has created A new
port of Minimig and it's available
from the download page of the
official C-One website
www.c64upgra.de/c-one V2.0 is based
on Jakub Bednarski's sources of
September 2009. Features include:
* emulation of four floppy drives
(DF0: to DF3:)
* emulation of two hard drives using
two image files of up to 4GB each
* FAT16 or FAT32 supported for the CF
card
* long filenames for ADF images
allowed
* max. memory 11.5MB: 2MB chipmem,
1.5MB slowmem and up to 8MB fast at
the same time!
* horizontal and vertical image
interpolation in VGA 31kHz mode
* scanline effect emulation like on
Indivision flicker fixers
While some of these features cannot
be used on the original Minimig
hardware, others are possible using
Jakub's ARM board as a replacement
for the PIC chip. However, Tobias'
implementation uses a different
approach: A second instance of the
68000 processor replaces the ARM
processor. This makes the C-One with
FPGA extender the best-equipped
Minimig on the market!
Kickstart ROMs and hard drive images
must be placed in the root directory
of the core. ADF files can be placed
anywhere in subdirectories.
If the core is launched from a
subdirectory, a config file is being
loaded from there. This config file
contains information about the
memory layout, name of the Kickstart
ROM and names of the hard drive
image files. ADF files must be
attached during runtime through the
OSD using the known key
combinations. However, if files
named DF0.ADF, DF1.ADF, DF2.ADF or
DF3.ADF are found in the core
directory, they are "inserted" by
default (but can be ejected with the
OSD menu). If these files are not
found, the computer will be launched
with the virtual drives empty.
Thanks, Tobias!
Jens Schnfeld
-------------------------------------