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Routines |
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Used by the routine at DrawPlayfieldBorder.
Caller supplies the row in L. Sweeps H from 6 to 249 inclusive, calling PlotCharacterCell_Draw each time to OR the border glyph across that row of the screen buffer. Used only from DrawPlayfieldBorder.
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| DrawPlayfieldBorderRow | 54626 | LD H,6 | H=6 (start of the horizontal sweep). | |
| DrawPlayfieldBorderRow_Loop | 54628 | PUSH HL | Stash HL on the stack (coordinates for PlotCharacterCell_Draw). | |
| 54629 | CALL PlotCharacterCell_Draw | Call PlotCharacterCell_Draw (OR-blit at this cell). | ||
| 54632 | POP HL | Restore HL from the stack. | ||
| 54633 | INC H | Increment H (next column in the sweep). | ||
| 54634 | LD A,H | Loop back to DrawPlayfieldBorderRow_Loop until the full row has been drawn. | ||
| 54635 | CP 250 | |||
| 54637 | JR NZ,DrawPlayfieldBorderRow_Loop | |||
| 54639 | RET | Return. | ||
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