7f56f90613
This was recomended by dicander and duunqnd because A =$ABAC looks like one address and not 2 zero-page addresses.
13 lines
530 B
PHP
13 lines
530 B
PHP
;;; -*- Mode: asm; indent-tabs-mode: t; tab-width: 8 -*-
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;;In use of in memcpy and memset
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A_start = $FA ; 16-bit value (uses FB)
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B_start = $FC ; 16-bit value (uses FD)
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B_end = $FE ; 16-bit value (uses FF)
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;;In use of by pixel_draw
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Y_pos = $FB
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X_pos = $FCFD
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byte_to_paint = $FE
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btp_mem_pos = $F9 ; 16-bit value (uses FA), byte to paint memory position
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C = $F7 ; 16-bit value (uses F8)
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B = $F5 ; 16-bit value (uses F6)
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