Screen; Memory - Husky MP2500 Manual

Buffering
Protocols
Handshaking
A.5 Screen
Text modes
Graphics
resolution
Graphics text
Graphics
commands
LCD facilities
A.6 Memory
RAM
RAM retention
Flash EPROM
Appendix A: Specification:
Independent 256 byte buffers for Tx and Rx, interrupt-
driven for efficiency.
XON/XOFF protocol provided as standard for flow
control.
RTS, CTS, DTR, DSR, DCD, all selectable by
software.
In text modes, 25 x 40 or 25 x 80 characters on the
virtual screen, default 8 x 40 visible at a time in the
LCD window (maximum 10 x 60).
Variable text size, to enhance readability.
320 x 200 or 640 x 200 on the virtual screen. 240 x 64
pixels visible at a time in the LCD window.
In graphics modes, six different character sizes provide
up to 10 x 60 on the LCD screen.
Software support for drawing lines, boxes, ellipses,
circles and points.
Automatic scrolling over virtual screen, with keyboard
and program control.
Split screen facility.
Screen lookup facility.
2 MByte of low power DRAM.
Battery support with fixed internal backup.
On-board: 128 KByte minimum, containing the H
BIOS.
USKY
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