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Elite on the BBC Micro and NES

Drawing the screen: VSCAN

[BBC Master version]

Name: VSCAN [Show more] Type: Variable Category: Drawing the screen Summary: Defines the split position in the split-screen mode
Context: See this variable in context in the source code References: This variable is used as follows: * IRQ1 uses VSCAN * SETINTS uses VSCAN
.VSCAN EQUB 57 \ Defines the split position in the split-screen mode EQUB 30 \ The line scan counter in DL gets reset to this value \ at each vertical sync, before decrementing with each \ line scan