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Initial commit of Command & Conquer Red Alert source code.
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LFeenanEA
203
WINVQ/INCLUDE/VQM32/VESAVID.I
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203
WINVQ/INCLUDE/VQM32/VESAVID.I
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;
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; Command & Conquer Red Alert(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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;* C O N F I D E N T I A L -- W E S T W O O D S T U D I O S
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;*
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;*----------------------------------------------------------------------------
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;*
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;* FILE
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;* vesavid.i
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;*
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;* DESCRIPTION
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;* VESA video manager definitions. (32-Bit protected mode)
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;*
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;* PROGRAMMER
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;* Denzil E. Long, Jr.
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;*
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;* DATE
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;* January 26, 1995
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;*
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;****************************************************************************
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;----------------------------------------------------------------------------
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; VESA video modes
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;----------------------------------------------------------------------------
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VESA_640X400_256 EQU 0x100
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VESA_640X480_256 EQU 0x101
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VESA_800X600_16 EQU 0x102
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VESA_800X600_256 EQU 0x103
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VESA_1024X768_16 EQU 0x104
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VESA_1024X768_256 EQU 0x105
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VESA_1280X400_16 EQU 0x106
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VESA_1280X400_256 EQU 0x107
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VESA_TEXT_80X60 EQU 0x108
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VESA_TEXT_132X25 EQU 0x109
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VESA_TEXT_132X60 EQU 0x10C
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VESA_320X200_32K_1 EQU 0x10D
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VESA_320X200_32K_2 EQU 0x10E
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VESA_640X480_32K EQU 0x110
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VESA_640X480_65K EQU 0x111
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VESA_640X480_16M EQU 0x112
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VESA_800X600_32K EQU 0x113
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VESA_800X600_65K EQU 0x114
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VESA_1024X768_32K EQU 0x116
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VESA_1024X768_65K EQU 0x117
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VESA_MIN EQU VESA_640X400_256
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VESA_MAX EQU VESA_1024X768_65K
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;----------------------------------------------------------------------------
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; Structure definitions
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;----------------------------------------------------------------------------
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; VESAInfo - General information about this VESA implementation.
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; (Filled in by VESA BIOS Function 0)
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;
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; Signature - Will always be 'VESA'
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; Ver - Version #
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; OEMString - OEM ID string
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; Capabilities - Not defined by VESA yet
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; AvailModes - List of available modes; terminated with -1 (0xffff)
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; TotalMemory - ???
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; Reserved - Pads structure to 256 bytes total
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STRUC VESAInfo
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Signature DD ?
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Ver DW ?
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OEMString DD ?
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Capabilities DD ?
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AvailModes DD ?
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TotalMemory DW ?
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Reserved DB 236 DUP (?)
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ENDS VESAInfo
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; VESAModeInfo - Information about this VESA mode.
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; (Filled in by VESA BIOS Function 1)
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;
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; Attributes - bit 0: 1 = mode is supported
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; bit 1: 1 = optional info available
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; bit 2: 1 = std BIOS output functions valid in this mode
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; bit 3: 0 = monochrome, 1 = color
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; bit 4: 0 = text mode, 1 = graphics
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; WinA_Attributes - bit 0 = window exists, bit 1=readable, bit 2= writable
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; WinB_Attributes - bit 0 = window exists, bit 1=readable, bit 2= writable
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; WinGranularity - smallest address boundary window can be placed upon;
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; size is in KB (ie 64, 32, 4)
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; WinSize - size of windows in KB (ie 64, 32)
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; WinA_Segment - location of Window A in CPU space (usually 0xa000)
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; WinB_Segment - location of Window B in CPU space (usually 0xb000)
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; WinFunc - address of window-setting function (This is provided
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; as an alternative to Int 10 for speed.)
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; BytesPerScanline - # bytes per scan line
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;
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; Optional info (available if bit 1 of Attributes is set):
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;
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; XRes - X-resolution
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; YRes - Y-resolution
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; XCharSize - Horizontal size of char cell
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; YCharSize - Vertical size of char cell
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; NumPlanes - # of memory planes (???)
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; BitsPerPixel - # bites per pixel
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; NumBanks - # of banks (ie planes)
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; MemoryModel - 00h = Text mode
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; 01h = CGA mode
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; 02h = Hercules
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; 03h = 4 plane planar mode
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; 04h = packed pixel mode (1 byte/pixel)
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; 05h = non-chain 4, 256-color mode
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; 06-0Fh =
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; 10-FFh = OEM-specific
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; BankSize - Bank size in KB
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STRUC VESAModeInfo
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Attributes DW ?
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WinA_Attributes DB ?
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WinB_Attributes DB ?
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WinGranularity DW ?
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WinSize DW ?
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WinA_Segment DW ?
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WinB_Segment DW ?
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WinFunc DD ?
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BytesPerScanline DW ?
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XRes DW ?
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YRes DW ?
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XCharSize DB ?
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YCharSize DB ?
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NumPlanes DB ?
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BitsPerPixel DB ?
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NumBanks DB ?
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MemoryModel DB ?
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BankSize DB ?
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NumInputPages DB ?
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Reserved DB ?
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RedMaskSize DB ?
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RedFieldPosition DB ?
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GreenMaskSize DB ?
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GreenFieldPosition DB ?
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BlueMaskSize DB ?
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BlueFieldPosition DB ?
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RsvdMaskSize DB ?
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RsvdFieldPosition DB ?
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DirectColorModeInfo DB ?
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pad DB 216 DUP (?)
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ENDS VESAModeInfo
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;----------------------------------------------------------------------------
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; Function definitions
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;----------------------------------------------------------------------------
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GLOBAL C InitVESA:PROC
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GLOBAL C UninitVESA:PROC
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GLOBAL C SetVESAMode:PROC
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GLOBAL C ReadVESAModeInfo:PROC
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GLOBAL C SetVESAWindow:PROC
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;----------------------------------------------------------------------------
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;
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; NAME
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; SET_WINDOW - Sets window A to the specified bank.
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;
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; SYNOPSIS
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; SET_WINDOW GrainNum
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;
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; FUNCTION
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; This routine uses the C Set_Window function rather than going through
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; the BIOS, for two reasons: (1) Speed, and (2) On the Cirrus Logic 54xx
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; VESA cards, BIOS calls make noise while playing digital audio.
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;
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; INPUTS
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; GrainNum - Granularity number.
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;
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; RESULT
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; NONE
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;
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;----------------------------------------------------------------------------
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MACRO SET_WINDOW grain_num
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push esi
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push edi
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push es
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call SetVESAWindow C,grain_num
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pop es
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pop edi
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pop esi
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ENDM
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