Loader: RelocateLoader

       Name: RelocateLoader                                          [Show more]
       Type: Subroutine
   Category: Loader
    Summary: Load and run the GMA1 loader file
    Context: See this subroutine in context in the source code
 References: No direct references to this subroutine in this source file


.RelocateLoader

 LDX #101               ; We now copy this program from the BASIC program area
                        ; to $02A7, which is where it is supposed to run, so
                        ; set byte a counter in X to copy 101 bytes

.relo1

 LDA $0801,X            ; Copy the X-th byte from $0801 to $02A7
 STA $02A7,X

 DEX                    ; Decrement the byte counter

 BPL relo1              ; Loop back until we have copied the whole program

 JMP RunGMA             ; Jump to the newly relocated RunDMA routine to load and
                        ; run the first GMA file on disk