Loader: DecrementFileSize

       Name: DecrementFileSize                                       [Show more]
       Type: Subroutine
   Category: Loader
    Summary: Decrement the file size in fileSize(1 0) by 1
    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * LoadFile calls DecrementFileSize


.DecrementFileSize

 LDA fileSize           ; Set fileSize(1 0) = fileSize(1 0) - 1
 SEC
 SBC #1
 STA fileSize
 LDA fileSize+1
 SBC #0
 STA fileSize+1

 RTS                    ; Return from the subroutine