Commodore CASSIOPEI, Руководство пользователя

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8.7 Commodore PET/CBM 40XX series
Commodore has build many variations of the PET, one of them is the PET 4032. Commodore made
this model in different memory configurations (4008, 4016, 4032). Despite from memory
differences, these models all work the same and are therefore referred to as the 40XX series in this
manual. The 40XX series do not have a build in cassette player but it has 2 cassetteports.
Cassetteport#1 is easily accessible while cassetteport#2 is located inside. Theoretically the
Cassiopei could function on both cassetteports, but the speedloader software inside the Cassiopei
was designed for use on cassetteport#1 (because this is easily accessible and allows the use of both
cassettebuffers for storing the fastloader routines). Therefore it will not fully work on
cassetteport#2. Also loading from this port allows the user to type LOAD without specifying the
port address as cassetteport#1 is the default cassetteport.
As the image above demonstrates, the PET/CBM 4000 series require the use of an additional stand.
You can attach this by removing the back cover of the Cassiopei and then slide the stand gently
over the cassetteport connector, then replace the back cover.
Usage:
Configure the Cassiopei to be used on a PET/CBM 40XX computer, this is required in order to
define all timings of the Cassiopei for this type of computer, see the chapter “Configuring the
Cassiopei”. Do not attempt to use the Cassiopei while it is not configured.
The Cassiopei's requires the following sequence of commands independent of it's operating mode.
Be aware that there are differences between the various versions of Commodore BASIC.
<see note> (BASIC 1, startup screen shows *** COMMODORE BASIC ***)
<see note> (BASIC 2, startup screen shows ### COMMODORE BASIC ###)
LOAD <return> (BASIC 4, startup screen shows *** COMMODORE BASIC 4.0 ***)
Note: Basic version 1 and 2 were never released for the 40XX series, if your computer uses these
versions, the system has been downgraded. This practice is not supported by the Cassiopei. For this
and for historical reasons it is suggested to restore the computer to it's original state. So that it can
function as intended by the nice people of Commodore.
The computer will now ask you to “press play on tape”:
–
press the PLAY button on the Cassiopei to load the currently selected game/program
–
press the MENU button in order to load the menu program to define your new settings.
–
when done loading, type RUN to start the loaded program
Note:
Some programs cannot be loaded using the Cassiopei fastloader. For instance the game “Wasps”
which loads to memory locations $027A - $1400, this is a problem because these locations are also
used by the fastloader routines of the Cassiopei. As it uses tape buffer#1 (which starts at $027A).
However it is still possible to load this game using the Cassiopei, but it requires the kernal loader.
By loading the game using the standard kernal loader (also known as the slowest method of
loading) the game is as it was designed.
2019-10-27 Page 47 of 76 CASSIOPEI v2.0