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⌂ ∞ ▽ Elite on the BBC Micro and NES

Drawing pixels: PBZE

[6502 Second Processor version]

       Name: PBZE                                                    [Show more]
       Type: Subroutine
   Category: Drawing pixels
    Summary: Reset the pixel buffer

    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * TTX66 calls PBZE




.PBZE

 LDA #2                 \ Set PBUP = 2 to reset the pixel buffer (as the size in
 STA PBUP               \ PBUP includes the two OSWORD size bytes)

 RTS                    \ Return from the subroutine