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PICO-56 v0.4
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@visrealm visrealm released this 15 Jun 01:21
· 14 commits to main since this release
v0.4
c7e1f8f

The fourth release of the PICO-56. Includes the PICO-56 boot menu to select a ROM image from MicroSD card. Defaults to HBC-56 BASIC if no SDCard is present.

Installation

Hold down the 'BOOTSEL' button while plugging the Raspberry Pi Pico into a PC using a MicroUSB cable.
Wait a moment for the Pico to appear as an external drive.
Drag the release ".UF2" file on to the mounted Raspberry Pi Pico.
Wait for the Raspberry Pi Pico to unmount and reboot.

MicroSD card contents

pico56-roms-.zip contains a number of sample ROMs and BASIC programs. Drag into the root folder of a FAT32 formatted microSD card.

Tutorials

pico56-tutorials-.zip contains the Pi Pico flash images for the various tutorials such as the Bouncing Ball demo. These can be flashed to the Pico in the same way as the PICO-56 image.

Changes

Enhancements to BASIC including:

  • Implementing UNPLOT X,Y
  • Implementing CLS for DISPLAY 2 mode
  • Fixed COLOR function to update background color register
  • Disabled kernel console interrupt during DISPLAY 2 mode

New BASIC example programs:

  • leaf.bas: Generate a "Barnsley Fern"
  • draw.bas: Etch-a-sketch style drawing program using the NES controller
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