Routines
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54629: Draw Revolver Display
Used by the routine at DrawGameScreen.
Draws the picture of the revolver, which is a block of eight by eight tiles, and then colours the chambers which are loaded.
revolver-display
Draw the picture of the revolver.
DrawRevolverDisplay 54629 LD A,65 Set the attribute to INK:BLUE, PAPER:BLACK (BRIGHT).
54631 EX AF,AF'
54632 LD HL,20484 Point HL at 20484 (in the screen buffer).
Move it to the right in the town.
54635 CALL AddTownOffsetToHL Call AddTownOffsetToHL.
54638 LD DE,24145 Point DE at RevolverTilesDisplay.
54641 LD BC,2056 Set the size of the block to eight by eight.
Draw the block.
54644 CALL DrawTileBlock Call DrawTileBlock.
Colour the chambers which are loaded.
54647 LD A,(41570) Return if BulletsLoaded is zero.
54650 AND A
54651 RET Z
54652 LD E,A Keep the number in E.
54653 XOR A Start with the first chamber.
Colour a loaded chamber.
DrawRevolverDisplay_Chamber 54654 PUSH AF Stash the chamber number and the number of bullets on the stack.
54655 PUSH DE
54656 LD BC,51680 Point BC at ChamberAddresses.
Find the attribute address of the chamber.
54659 CALL GetTableEntry Call GetTableEntry.
Move it to the right in the town.
54662 CALL AddTownOffsetToHL Call AddTownOffsetToHL.
54665 LD A,113 Set the attribute to INK:BLUE, PAPER:YELLOW (BRIGHT).
Colour the chamber.
54667 CALL FillChamber Call FillChamber.
54670 POP DE Restore the chamber number and the number of bullets from the stack.
54671 POP AF
54672 INC A Move on to the next chamber.
54673 CP E Jump to DrawRevolverDisplay_Chamber if there are chambers left.
54674 JR NZ,DrawRevolverDisplay_Chamber
54676 RET Return.
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