Skip to navigation

⌂ ∞ Elite on the BBC Micro and NES

Universe: SetSelectedSeeds

[NES version, Bank 0]

       Name: SetSelectedSeeds                                        [Show more]
       Type: Subroutine
   Category: Universe
    Summary: Set the seeds for the selected system in QQ15 to the seeds in the
             safehouse

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




.SetSelectedSeeds

 LDX #5                 ; We now want to copy the seeds for the selected system
                        ; from safehouse into QQ15, where we store the seeds for
                        ; the selected system, so set up a counter in X for
                        ; copying six bytes (for three 16-bit seeds)

.safe1

 LDA safehouse,X        ; Copy the X-th byte in safehouse to the X-th byte in
 STA QQ15,X             ; QQ15

 DEX                    ; Decrement the counter

 BPL safe1              ; Loop back until we have copied all six bytes