8-Bit Software

The BBC and Master Computer Public Domain Library

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Submitted by Steve Fewell


Set A to #&05. This is the PLOT type (i.e. the first parameter of the VDU 25 command) for the MOVE command.
Call &97A8 (the DRAW keyword routine) to Push A to the 6502 stack, obtain the Integer value after the 'MOVE' keyword
and jump to the PLOT routine to execute the appropriate VDU 25 command for MOVE.

Disassembly for the MOVE routine

97A2   169 004 A9 04 LDA#&04
97A4   128 002 80 02 BRA 2 --> &97A8 DRAW (get parameters and call PLOT)


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