40 lines
1.4 KiB
PHP
40 lines
1.4 KiB
PHP
;
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; Command & Conquer(tm)
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; Copyright 2025 Electronic Arts Inc.
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;
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation, either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;
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;**************************************************************
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;
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; Macro to fetch the header of the next line and jump to the appropriate routine
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;
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next_line macro
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add edi,[dest_adjust_width] ;add in dest modulo
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dec edx ;line counter
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jz real_out ;return
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mov ecx,[save_ecx] ;ecx is pixel count
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mov eax,[header_pointer] ;ptr to next header byte
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mov al,[eax]
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inc [header_pointer]
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and eax,BLIT_ALL ;Make sure we dont jump to some spurious address
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; if the header is wrong then its better to draw with the wrong
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; shape routine than to die
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shl eax,2
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add eax,[ShapeJumpTableAddress] ;get the address to jump to
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jmp [dword eax] ;do the jump
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endm
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