SAM2_ZX81

Utility


Public Domain


Johan Koelman


SAM2ZX81HR.zip (49.96 KB)

An alteration to the SAM81 emulator to make it compatible with pseudo-hires and hires games.


This is the first version of SAM2_ZX81 for hires and pseudo-hires ZX81 programs by Johan Koelman.

After booting (F9) the emulator it came up waiting for a key press. Once done, you are in the ZX81 mode. To load a program simply type in:

LOAD “1” (if you are on Sim Coupe or on floppy disk with a real SAM) or

LOAD “2” (if you will load from SAMs harddisk)

A menu will be displayed, showing you all the programs to load.

Note: When a program is loaded, it will not autostart.
When you see 0/0 in the upper part of screen, simply type RUN and voila, you see a HiRes Zeddy game emulated on a SAM. Except “Micmouse”, type in GOTO 5 to start.

Even it is the alpha version, Johan has build in some extra keysettings:

F1 - shows you a help screen:
Press F1 again to return to the main program.

Press when help screen is shown:

F2 - for more or less screen refreshs
F3 - for more or less counted clock interrupts

These options can be very helpful on pseudo and hires games. The changes are not shown, this might be added later!

To exit a program pess TAB and ESCAPE together.

Programs included:

  • Rocket
  • Madjump II
  • Flater en Flaters (Guus-Fla)
  • Micromouse goes debugging
  • Starfight

The ‘SAM2_ZX81’ can also load normal ZX81 programs, as I have tested several times.