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Elite on the BBC Micro

Drawing pixels: TWFL

[BBC Master version]

Name: TWFL [Show more] Type: Variable Category: Drawing pixels Summary: Ready-made character rows for the left end of a horizontal line
Context: See this variable in context in the source code References: This variable is used as follows: * HLOIN uses TWFL

Ready-made bytes for plotting horizontal line end caps in mode 1 (the top part of the split screen). This table provides a byte with pixels at the left end, which is used for the right end of the line. See the HLOIN routine for details.
.TWFL EQUB %10001000 EQUB %11001100 EQUB %11101110 EQUB %11111111