46 lines
1.1 KiB
NASM
46 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 39
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; ========================================================================
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bits 16
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; Register-to-register
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mov si, bx
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mov dh, al
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; 8-bit immediate-to-register
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mov cx, 12
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mov cx, -12
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; 16-bit immediate-to-register
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mov dx, 3948
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mov dx, -3948
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; Source address calculation
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mov al, [bx + si]
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mov bx, [bp + di]
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mov dx, [bp]
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; Source address calculation plus 8-bit displacement
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mov ah, [bx + si + 4]
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; Source address calculation plus 16-bit displacement
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mov al, [bx + si + 4999]
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; Dest address calculation
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mov [bx + di], cx
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mov [bp + si], cl
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mov [bp], ch
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