The UpdateEquipment (Bank 0) subroutine

       Name: UpdateEquipment                                         [Show more]
       Type: Subroutine
   Category: Equipment
    Summary: Highlight the newly chosen item of equipment, update the Cobra Mk
             III, redraw the screen and rejoin the main EQSHP routine
    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * EQSHP calls UpdateEquipment
             * MoveEquipmentDown calls UpdateEquipment


.UpdateEquipment

 JSR HighlightEquipment ; Highlight the item of equipment in XX13

 JSR DrawEquipment_b6   ; Draw the currently fitted equipment onto the Cobra Mk
                        ; III image

 JSR DrawScreenInNMI    ; Configure the NMI handler to draw the screen, so the
                        ; screen gets updated

 JSR WaitForPPUToFinish ; Wait until both bitplanes of the screen have been
                        ; sent to the PPU, so the screen is fully updated and
                        ; there is no more data waiting to be sent to the PPU

 JMP equi1              ; Rejoin the main EQSHP routine at equi1 to continue
                        ; checking for button presses

[X]

Subroutine DrawEquipment_b6 (category: Equipment)

Call the DrawEquipment routine in ROM bank 6

[X]

Subroutine DrawScreenInNMI (category: Drawing the screen)

Configure the NMI handler to draw the screen

[X]

Subroutine HighlightEquipment (category: Equipment)

Highlight an item of equipment on the Equip Ship screen

[X]

Subroutine WaitForPPUToFinish (category: PPU)

Wait until the NMI handler has finished updating both bitplanes, so the screen is no longer refreshing

[X]

Entry point equi1 in subroutine EQSHP (category: Equipment)

A re-entry point into the key-pressing loop, used when processing key presses in subroutines

Equipment: UpdateEquipment

[NES version, Bank 0]