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23 lines
1.0 KiB
Org Mode
23 lines
1.0 KiB
Org Mode
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#+Title: VolksForth MS-DOS for Atari Portfolio
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The Atari Portfolio is a portable, MS-DOS compatible palmtop computer
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released by Atari in 1989
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(https://en.wikipedia.org/wiki/Atari_Portfolio).
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The Portfolio uses an Intel 80C88 CPU running at 4.9152 MHz and runs
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"DIP Operating System 2.11" (DIP DOS), an operating system mostly
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compatible to MS-DOS 2.11, but with some DOS 2.xx functionality
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lacking and some internal data structures more compatible with DOS
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3.xx. It has 128 KB of RAM and 256 KB of ROM which contains the OS and
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built-in applications. The on-board RAM is divided between system
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memory and local storage (the C: drive). The LCD is monochrome without
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backlight and had 240×64 pixels or 40 characters × 8 lines.
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* Files:
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* =pofo.fb= - Atari Portfolio System Enhancements
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* =pofo.vid= - Atari Portfolio Video Driver (for 40x8 line display)
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* =pofo.sys= - load file to generate a full VolksForth for the Atari Portfolio
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* =kernel.com= - Vanilla VolksForth Kernel
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* =pofo4th.com= - VolksForth for Atari Portfolio
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