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Gemini User’s Manual
LPRINT TAB (20); “N”; CHR$(13);
TAB (20); CHR$(164); CHR$(13);
TAB (16); “W”; CHR$(166); CHR$(32);
TAB (22); CHR$(167); “E”; CHR$(13);
TAB (20); CHR$(165); CHR$(13);
TAB (20); “S”
The result is:
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BLOCK GRAPHICS
The block graphics, ASCII codes 225 to 255, are a series of
squares, triangles, and intersecting lines. When they are put
together, they form simple graphic designs and decorative
embellishments.
The 6 x 6 matrices are designed to print continuously
(meaning “next to each other”), so Gemini does not add any extra
spacing between these characters, as it does for the
alphanumerics.
The Gemini can now print in a bidirectional mode (ESC U 0), -
which cancels unidirectional printing and returns to the faster
(standard) bidirectional printing mode or it can print in
unidirectional mode (ESC U 1). In this mode all subsequent lines
are printed in unidirectional mode. This mode is invoked by the
super/subscript mode and by the graphic mode.
The Building Blocks
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In the last chapter, we used block graphics to create oversized
letters in Figure 6-4. Let’s consider that example again, this time
with discussion of the program listing.
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