44 lines
1.1 KiB
NASM
44 lines
1.1 KiB
NASM
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; ========================================================================
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;
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; (C) Copyright 2023 by Molly Rocket, Inc., All Rights Reserved.
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;
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; This software is provided 'as-is', without any express or implied
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; warranty. In no event will the authors be held liable for any damages
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; arising from the use of this software.
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;
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; Please see https://computerenhance.com for further information
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;
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; ========================================================================
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; ========================================================================
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; LISTING 54
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; ========================================================================
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bits 16
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; Start image after one row, to avoid overwriting our code!
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mov bp, 64*4
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mov dx, 0
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y_loop_start:
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mov cx, 0
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x_loop_start:
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; Fill pixel
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mov word [bp + 0], cx ; Red
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mov word [bp + 2], dx ; Blue
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mov byte [bp + 3], 255 ; Alpha
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; Advance pixel location
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add bp, 4
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; Advance X coordinate and loop
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add cx, 1
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cmp cx, 64
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jnz x_loop_start
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; Advance Y coordinate and loop
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add dx, 1
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cmp dx, 64
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jnz y_loop_start
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