The VSCAN variable - Elite on the BBC Micro

       Name: VSCAN                                                   [Show more]
       Type: Variable
   Category: Screen mode
    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

Screen mode: VSCAN

[BBC Master version]