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GELIB.C
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GELIB.C
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/* Catacomb Apocalypse Source Code
* Copyright (C) 1993-2014 Flat Rock Software
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <dos.h>
#include <conio.h>
#include <stdio.h>
#include <dir.h>
#include "mem.h"
#include "string.h"
#include "time.h"
#include "stdarg.h"
#include "io.h"
#include "DEF.H"
#include "gelib.h"
#include "sl_file.h"
#define MAX_GAMELIST_NAMES 20
#define FNAME_LEN 9
////////////////////////////////////////////////////////////////////////////
//
// Global variables
//
boolean InLoadSaveGame = false;
//AudioDeviceType ge_DigiMode;
boolean ConserveMemory = false;
char GameListNames[MAX_GAMELIST_NAMES+1][FNAME_LEN],current_disk=1;
short NumGames;
short PPT_LeftEdge=0,PPT_RightEdge=320;
boolean LeaveDriveOn=false,ge_textmode=true;
char Filename[FILENAME_LEN+1], ID[sizeof(GAMENAME)], VER[sizeof(SAVEVER_DATA)];
short wall_anim_delay,wall_anim_time = 7;
BufferedIO lzwBIO;
////////////////////////////////////////////////////////////////////////////
//
// CalibrateJoystick()
//
void CalibrateJoystick(short joynum)
{
word minx,maxx,
miny,maxy;
IN_ClearKeysDown();
VW_HideCursor();
VW_FixRefreshBuffer();
CenterWindow(30,8);
US_Print("\n");
US_CPrintLine("Move joystick to the upper-left");
US_CPrintLine("and press one of the buttons.");
VW_UpdateScreen();
while ((LastScan != sc_Escape) && !IN_GetJoyButtonsDB(joynum));
if (LastScan == sc_Escape)
return;
IN_GetJoyAbs(joynum,&minx,&miny);
while (IN_GetJoyButtonsDB(joynum));
US_Print("\n");
US_CPrintLine("Move joystick to the lower-right");
US_CPrintLine("and press one of the buttons.");
VW_UpdateScreen();
while ((LastScan != sc_Escape) && !IN_GetJoyButtonsDB(joynum));
if (LastScan == sc_Escape)
return;
IN_GetJoyAbs(joynum,&maxx,&maxy);
if ((minx == maxx) && (miny == maxy))
return;
IN_SetupJoy(joynum,minx,maxx,miny,maxy);
while (IN_GetJoyButtonsDB(joynum));
if (LastScan)
IN_ClearKeysDown();
JoystickCalibrated = true;
}
////////////////////////////////////////////////////////////////////////////
//
// WaitKeyVBL()
//
void WaitKeyVBL(short key, short vbls)
{
while (vbls--)
{
VW_WaitVBL(1);
IN_ReadControl(0,&control);
if ((control.button0|control.button1)||(Keyboard[key]))
break;
}
}
////////////////////////////////////////////////////////////////////////////
//
// MoveScreen()
//
// panadjust must be saved and restored if MoveScreen is being called from
// inside a level.
//
void MoveScreen(short x, short y)
{
unsigned address;
address = (y*linewidth)+(x/8);
VW_SetScreen(address,0);
bufferofs = displayofs = address;
panadjust=0;
}
////////////////////////////////////////////////////////////////////////////
//
// MoveGfxDst()
//
void MoveGfxDst(short x, short y)
{
unsigned address;
address = (y*linewidth)+(x/8);
bufferofs = displayofs = address;
}
#if 0
#if GRAPHIC_PIRATE
///////////////////////////////////////////////////////////////////////////
//
// DoPiracy() - Graphics piracy code...
//
void DoPiracy()
{
struct Shape Pirate1Shp;
struct Shape Pirate2Shp;
VW_SetScreenMode (EGA320GR);
VW_ClearVideo(BLACK);
// Load shapes...
//
if (LoadShape("PIRATE1E."EXT,&Pirate1Shp))
TrashProg("Can't load PIRATE1E.BIO");
if (LoadShape("PIRATE2E."EXT,&Pirate2Shp))
TrashProg("Can't load PIRATE2E.BIO");
// Deal with shapes...
//
VW_SetLineWidth(40);
VW_FadeOut();
MoveScreen(0,0);
UnpackEGAShapeToScreen(&Pirate1Shp,(linewidth-Pirate1Shp.BPR)<<2,0);
MoveScreen(0,200);
UnpackEGAShapeToScreen(&Pirate2Shp,(linewidth-Pirate2Shp.BPR)<<2,0);
MoveScreen(0,0);
VW_FadeIn();
WaitKeyVBL(57,200);
while (Keyboard[57]);
SD_PlaySound(GOOD_PICKSND);
MoveScreen(0,200);
WaitKeyVBL(57,300);
while (Keyboard[57]);
VW_FadeOut();
FreeShape(&Pirate1Shp);
FreeShape(&Pirate2Shp);
}
#else
///////////////////////////////////////////////////////////////////////////
//
// DoPiracy() - Text-based piracy code...
//
void DoPiracy()
{
}
#endif
#endif
//--------------------------------------------------------------------------
// BlackPalette()
//--------------------------------------------------------------------------
void BlackPalette()
{
extern char colors[7][17];
_ES=FP_SEG(&colors[0]);
_DX=FP_OFF(&colors[0]);
_AX=0x1002;
geninterrupt(0x10);
screenfaded = true;
}
//--------------------------------------------------------------------------
// ColoredPalette()
//--------------------------------------------------------------------------
void ColoredPalette()
{
extern char colors[7][17];
_ES=FP_SEG(&colors[3]);
_DX=FP_OFF(&colors[3]);
_AX=0x1002;
geninterrupt(0x10);
screenfaded = false;
}
////////////////////////////////////////////////////////////////////////////
//
// Verify()
//
long Verify(char *filename)
{
int handle;
long size;
if ((handle=open(filename,O_BINARY))==-1)
return (0);
size=filelength(handle);
close(handle);
return(size);
}
///////////////////////////////////////////////////////////////////////////
//
// GE_SaveGame
//
// Handles user i/o for saving a game
//
///////////////////////////////////////////////////////////////////////////
void GE_SaveGame()
{
boolean GettingFilename=true;
// char Filename[FILENAME_LEN+1]; //, ID[sizeof(GAMENAME)], VER[sizeof(SAVEVER_DATA)];
int handle;
struct dfree dfree;
long davail;
VW_FixRefreshBuffer();
ReadGameList();
while (GettingFilename)
{
DisplayGameList(2,7,3,10);
US_DrawWindow(5,1,30,3);
memset(Filename,0,sizeof(Filename));
US_CPrint("Enter name to SAVE this game:");
VW_UpdateScreen();
if (screenfaded)
VW_FadeIn();
if (!US_LineInput((linewidth<<2)-32,20,Filename,"",true,8,0))
goto EXIT_FUNC;
if (!strlen(Filename))
goto EXIT_FUNC;
getdfree(getdisk()+1,&dfree);
davail = (long)dfree.df_avail*(long)dfree.df_bsec*(long)dfree.df_sclus;
if (davail < 10000)
{
US_CenterWindow(22,4);
US_Print("\n");
US_CPrintLine("Disk Full: Can't save game.");
US_CPrintLine("Try inserting another disk.");
VW_UpdateScreen();
IN_Ack();
}
else
{
strcat(Filename,".SAV");
GettingFilename = false;
if (Verify(Filename)) // FILE EXISTS
{
US_CenterWindow(22,4);
US_CPrintLine("That file already exists...");
US_CPrintLine("Overwrite it ????");
US_CPrintLine("(Y)es or (N)o?");
VW_UpdateScreen();
while((!Keyboard[21]) && (!Keyboard[49]) && !Keyboard[27]);
if (Keyboard[27])
goto EXIT_FUNC;
if (Keyboard[49])
{
GettingFilename = true;
VW_UpdateScreen();
}
}
}
}
handle = open(Filename,O_RDWR|O_CREAT|O_BINARY,S_IREAD|S_IWRITE);
if (handle==-1)
goto EXIT_FUNC;
if ((!CA_FarWrite(handle,(void far *)GAMENAME,sizeof(GAMENAME))) || (!CA_FarWrite(handle,(void far *)SAVEVER_DATA,sizeof(SAVEVER_DATA))))
{
if (!screenfaded)
VW_FadeOut();
return;
}
if (!USL_SaveGame(handle))
Quit("Save game error");
EXIT_FUNC:;
if (handle!=-1)
close(handle);
if (handle==-1)
{
remove(Filename);
US_CenterWindow(22,6);
US_CPrintLine("DISK ERROR");
US_CPrintLine("Check: Write protect...");
US_CPrintLine("File name...");
US_CPrintLine("Bytes free on disk...");
US_CPrintLine("Press SPACE to continue.");
VW_UpdateScreen();
while (!Keyboard[57]);
while (Keyboard[57]);
}
while (Keyboard[1]);
if (!screenfaded)
VW_FadeOut();
}
///////////////////////////////////////////////////////////////////////////
//
// GE_LoadGame
//
// Handles user i/o for loading a game
//
///////////////////////////////////////////////////////////////////////////
boolean GE_LoadGame()
{
boolean GettingFilename=true,rt_code=false;
int handle;
IN_ClearKeysDown();
memset(ID,0,sizeof(ID));
memset(VER,0,sizeof(VER));
VW_FixRefreshBuffer();
ReadGameList();
while (GettingFilename)
{
DisplayGameList(2,7,3,10);
US_DrawWindow(5,1,30,3);
memset(Filename,0,sizeof(Filename));
US_CPrint("Enter name of game to RESTORE:");
VW_UpdateScreen();
if (screenfaded)
VW_FadeIn();
if (!US_LineInput((linewidth<<2)-32,20,Filename,"",true,8,0))
goto EXIT_FUNC;
strcat(Filename,".SAV");
GettingFilename = false;
if (!Verify(Filename)) // FILE DOESN'T EXIST
{
US_CenterWindow(22,3);
US_CPrintLine(" That file doesn't exist....");
US_CPrintLine("Press SPACE to try again.");
VW_UpdateScreen();
while (!Keyboard[57]);
while (Keyboard[57]);
GettingFilename = true;
}
}
handle = open(Filename,O_RDWR|O_BINARY);
if (handle==-1)
goto EXIT_FUNC;
if ((!CA_FarRead(handle,(void far *)&ID,sizeof(ID))) || (!CA_FarRead(handle,(void far *)&VER,sizeof(VER))))
return(false);
if ((strcmp(ID,GAMENAME)) || (strcmp(VER,SAVEVER_DATA)))
{
US_CenterWindow(32,4);
US_CPrintLine("That isn't a "GAMENAME);
US_CPrintLine(".SAV file.");
US_CPrintLine("Press SPACE to continue.");
VW_UpdateScreen();
while (!Keyboard[57]);
while (Keyboard[57]);
if (!screenfaded)
VW_FadeOut();
return(false);
}
if (!USL_LoadGame(handle))
Quit("Load game error.");
rt_code = true;
EXIT_FUNC:;
if (handle==-1)
{
US_CenterWindow(22,3);
US_CPrintLine("DISK ERROR ** LOAD **");
US_CPrintLine("Press SPACE to continue.");
while (!Keyboard[57]);
while (Keyboard[57]);
}
else
close(handle);
if (!screenfaded)
VW_FadeOut();
return(rt_code);
}
///////////////////////////////////////////////////////////////////////////
//
// GE_HardError() - Handles the Abort/Retry/Fail sort of errors passed
// from DOS. Hard coded to ignore if during Load/Save Game.
//
///////////////////////////////////////////////////////////////////////////
#pragma warn -par
#pragma warn -rch
int GE_HardError(word errval,int ax,int bp,int si)
{
#define IGNORE 0
#define RETRY 1
#define ABORT 2
extern void ShutdownId(void);
static char buf[32];
static WindowRec wr;
static boolean oldleavedriveon;
int di;
char c,*s,*t;
boolean holdscreenfaded;
if (InLoadSaveGame)
hardresume(IGNORE);
di = _DI;
oldleavedriveon = LeaveDriveOn;
LeaveDriveOn = false;
if (ax < 0)
s = "Device Error";
else
{
if ((di & 0x00ff) == 0)
s = "Drive ~ is Write Protected";
else
s = "Error on Drive ~";
for (t = buf;*s;s++,t++) // Can't use sprintf()
if ((*t = *s) == '~')
*t = (ax & 0x00ff) + 'A';
*t = '\0';
s = buf;
}
c = peekb(0x40,0x49); // Get the current screen mode
if ((c < 4) || (c == 7))
goto oh_kill_me;
// DEBUG - handle screen cleanup
holdscreenfaded=screenfaded;
US_SaveWindow(&wr);
VW_ClearVideo(0); ////////////// added for exiting
US_CenterWindow(30,3);
US_CPrint(s);
US_CPrint("(R)etry or (A)bort?");
VW_UpdateScreen();
if (holdscreenfaded)
VW_FadeIn();
IN_ClearKeysDown();
asm sti // Let the keyboard interrupts come through
while (true)
{
switch (IN_WaitForASCII())
{
case key_Escape:
case 'a':
case 'A':
goto oh_kill_me;
break;
case key_Return:
case key_Space:
case 'r':
case 'R':
if (holdscreenfaded)
VW_FadeOut();
US_ClearWindow();
VW_UpdateScreen();
US_RestoreWindow(&wr);
LeaveDriveOn = oldleavedriveon;
return(RETRY);
break;
}
}
oh_kill_me:
abortprogram = s;
TrashProg("Terminal Error: %s\n",s);
// if (tedlevel)
// fprintf(stderr,"You launched from TED. I suggest that you reboot...\n");
return(ABORT);
#undef IGNORE
#undef RETRY
#undef ABORT
}
#pragma warn +par
#pragma warn +rch
//--------------------------------------------------------------------------
//
//
// B O B ROUTINES
//
//
//--------------------------------------------------------------------------
#ifdef BOBLIST
////////////////////////////////////////////////////////////////////////////
//
// UpdateBOBList() - Adds a sprite to an objects BOBlist. The BOB List
// must already be allocated and have an available slot.
//
// RETURNS : true = Success adding Sprite / false = Failure.
//
// NOTE : This also sets the users 'needtoreact' flag to true.
//
boolean UpdateBOBList(objtype *obj,struct Simple_Shape *Shape,shapeclass Class, short priority, spriteflags sprflags)
{
struct BOB_Shape *CurBOBShape = NULL;
#pragma warn -pia
if (CurBOBShape = obj->nextshape)
{
// Treverse down BOBList looking for a sprite with the same class
// OR an empty shape struct to store the new shape.
while ((CurBOBShape->class != Class) && (CurBOBShape->class) && CurBOBShape)
{
CurBOBShape = CurBOBShape->nextshape;
}
if (CurBOBShape)
{
RF_RemoveSprite(&CurBOBShape->sprite);
CurBOBShape->shapenum = Shape->shapenum;
CurBOBShape->x_offset = Shape->x_offset;
CurBOBShape->y_offset = Shape->y_offset;
CurBOBShape->priority = priority;
CurBOBShape->sprflags = sprflags;
CurBOBShape->class = Class;
return(true);
}
}
return(false);
#pragma warn +pia
}
/////////////////////////////////////////////////////////////////////////////
//
// RemoveBOBShape() - Removes a sprite from a BOBList.
//
// RETURNS : true = Success / false = Failure (shape not found)
//
boolean RemoveBOBShape(objtype *obj, shapeclass Class)
{
struct BOB_Shape *CurBOBShape = NULL;
#pragma warn -pia
if (CurBOBShape = obj->nextshape)
{
while ((CurBOBShape->class != Class) && (!CurBOBShape->class) && CurBOBShape)
{
CurBOBShape = CurBOBShape->nextshape;
}
if (CurBOBShape)
{
CurBOBShape->class = noshape;
return(true);
}
}
return(false);
#pragma warn +pia
}
/////////////////////////////////////////////////////////////////////////////
//
// RemoveBOBList() - Removes an entire BOBList attached to an object.
//
//
void RemoveBOBList(objtype *obj)
{
struct BOB_Shape *CurBOBShape;
#pragma warn -pia
if (CurBOBShape = obj->nextshape)
{
// Treverse down BOBList looking for a sprite with the same class
// OR an empty shape struct to store the new shape.
while (CurBOBShape)
{
if (CurBOBShape->class)
{
CurBOBShape->class = noshape;
RF_RemoveSprite (&CurBOBShape->sprite);
}
CurBOBShape = CurBOBShape->nextshape;
}
}
#pragma warn +pia
}
/////////////////////////////////////////////////////////////////////////////
//
// InitBOBList() -- This initializes a BOB list for all the possible shapes
// attached at one time. This is done with an array of
// BOB_Shape structs and links the 'nextshape' pointer to
// to the next element.
//
//
void InitBOBList(objtype *obj, struct BOB_Shape *BOB_Shape, short NumElements)
{
struct BOB_Shape *CurShape;
short loop;
obj->nextshape = BOB_Shape;
for (loop=1;loop<NumElements;loop++)
{
CurShape = BOB_Shape++;
CurShape->nextshape = BOB_Shape;
}
BOB_Shape->nextshape = NULL;
}
////////////////////////////////////////////////////////////////////////////
//
// RefreshBOBList() -- This routine updates all sprites attached to the
// BOBList and refreshes there position in the sprite
// list.
//
void RefreshBOBList(objtype *obj)
{
struct BOB_Shape *Shape;
Shape = obj->nextshape;
while (Shape)
{
if (Shape->class)
RF_PlaceSprite(&Shape->sprite,obj->x+Shape->x_offset,obj->y+Shape->y_offset, Shape->shapenum, spritedraw,Shape->priority,Shape->sprflags);
Shape = Shape->nextshape;
}
}
#endif
//--------------------------------------------------------------------------
// InitBufferedIO()
//--------------------------------------------------------------------------
memptr InitBufferedIO(int handle, BufferedIO *bio)
{
bio->handle = handle;
bio->offset = BIO_BUFFER_LEN;
bio->status = 0;
MM_GetPtr(&bio->buffer,BIO_BUFFER_LEN);
return(bio->buffer);
}
//--------------------------------------------------------------------------
// FreeBufferedIO()
//--------------------------------------------------------------------------
void FreeBufferedIO(BufferedIO *bio)
{
if (bio->buffer)
MM_FreePtr(&bio->buffer);
}
//--------------------------------------------------------------------------
// bio_readch()
//--------------------------------------------------------------------------
byte bio_readch(BufferedIO *bio)
{
byte far *buffer;
if (bio->offset == BIO_BUFFER_LEN)
{
bio->offset = 0;
bio_fillbuffer(bio);
}
buffer = MK_FP(bio->buffer,bio->offset++);
return(*buffer);
}
//--------------------------------------------------------------------------
// bio_fillbuffer()
//
// BUGS (Not really bugs... More like RULES!)
//
// 1) This code assumes BIO_BUFFER_LEN is no smaller than
// NEAR_BUFFER_LEN!!
//
// 2) BufferedIO.status should be altered by this code to report
// read errors, end of file, etc... If you know how big the file
// is you're reading, determining EOF should be no problem.
//
//--------------------------------------------------------------------------
void bio_fillbuffer(BufferedIO *bio)
{
#define NEAR_BUFFER_LEN (64)
byte near_buffer[NEAR_BUFFER_LEN];
short bio_length,bytes_read,bytes_requested;
bytes_read = 0;
bio_length = BIO_BUFFER_LEN;
while (bio_length)
{
if (bio_length > NEAR_BUFFER_LEN-1)
bytes_requested = NEAR_BUFFER_LEN;
else
bytes_requested = bio_length;
read(bio->handle,near_buffer,bytes_requested);
_fmemcpy(MK_FP(bio->buffer,bytes_read),near_buffer,bytes_requested);
bio_length -= bytes_requested;
bytes_read += bytes_requested;
}
}
///////////////////////////////////////////////////////////////////////////
//
// SwapLong()
//
void SwapLong(long far *Var)
{
asm les bx,Var
asm mov ax,[es:bx]
asm xchg ah,al
asm xchg ax,[es:bx+2]
asm xchg ah,al
asm mov [es:bx],ax
}
///////////////////////////////////////////////////////////////////////////
//
// SwapWord()
//
void SwapWord(unsigned int far *Var)
{
asm les bx,Var
asm mov ax,[es:bx]
asm xchg ah,al
asm mov [es:bx],ax
}
#if 0
////////////////////////////////////////////////////////////////////////////
//
// LoadShape()
//
int LoadShape(char *Filename,struct Shape *SHP)
{
#define CHUNK(Name) (*ptr == *Name) && \
(*(ptr+1) == *(Name+1)) && \
(*(ptr+2) == *(Name+2)) && \
(*(ptr+3) == *(Name+3))
int RT_CODE;
// struct ffblk ffblk;
FILE *fp;
char CHUNK[5];
char far *ptr;
memptr IFFfile = NULL;
unsigned long FileLen, size, ChunkLen;
int loop;
RT_CODE = 1;
// Decompress to ram and return ptr to data and return len of data in
// passed variable...
if (!(FileLen = BLoad(Filename,&IFFfile)))
TrashProg("Can't load Compressed Shape - Possibly corrupt file!");
// Evaluate the file
//
ptr = MK_FP(IFFfile,0);
if (!CHUNK("FORM"))
goto EXIT_FUNC;
ptr += 4;
FileLen = *(long far *)ptr;
SwapLong((long far *)&FileLen);
ptr += 4;
if (!CHUNK("ILBM"))
goto EXIT_FUNC;
ptr += 4;
FileLen += 4;
while (FileLen)
{
ChunkLen = *(long far *)(ptr+4);
SwapLong((long far *)&ChunkLen);
ChunkLen = (ChunkLen+1) & 0xFFFFFFFE;
if (CHUNK("BMHD"))
{
ptr += 8;
SHP->bmHdr.w = ((struct BitMapHeader far *)ptr)->w;
SHP->bmHdr.h = ((struct BitMapHeader far *)ptr)->h;
SHP->bmHdr.x = ((struct BitMapHeader far *)ptr)->x;
SHP->bmHdr.y = ((struct BitMapHeader far *)ptr)->y;
SHP->bmHdr.d = ((struct BitMapHeader far *)ptr)->d;
SHP->bmHdr.trans = ((struct BitMapHeader far *)ptr)->trans;
SHP->bmHdr.comp = ((struct BitMapHeader far *)ptr)->comp;
SHP->bmHdr.pad = ((struct BitMapHeader far *)ptr)->pad;
SwapWord(&SHP->bmHdr.w);
SwapWord(&SHP->bmHdr.h);
SwapWord(&SHP->bmHdr.x);
SwapWord(&SHP->bmHdr.y);
ptr += ChunkLen;
}
else
if (CHUNK("BODY"))
{
ptr += 4;
size = *((long far *)ptr);
ptr += 4;
SwapLong((long far *)&size);
SHP->BPR = (SHP->bmHdr.w+7) >> 3;
MM_GetPtr(&SHP->Data,size);
if (!SHP->Data)
goto EXIT_FUNC;
movedata(FP_SEG(ptr),FP_OFF(ptr),FP_SEG(SHP->Data),0,size);
ptr += ChunkLen;
break;
}
else
ptr += ChunkLen+8;
FileLen -= ChunkLen+8;
}
RT_CODE = 0;
EXIT_FUNC:;
if (IFFfile)
{
// segptr = (memptr)FP_SEG(IFFfile);
MM_FreePtr(&IFFfile);
}
return (RT_CODE);
}
#endif
////////////////////////////////////////////////////////////////////////////
//
// FreeShape()
//
void FreeShape(struct Shape *shape)
{
if (shape->Data)
MM_FreePtr(&shape->Data);
}
////////////////////////////////////////////////////////////////////////////
//
// UnpackEGAShapeToScreen()
//
int UnpackEGAShapeToScreen(struct Shape *SHP,int startx,int starty)
{
int currenty;
signed char n, Rep, far *Src, far *Dst[8], loop, Plane;
unsigned int BPR, Height;
boolean NotWordAligned;
NotWordAligned = SHP->BPR & 1;
startx>>=3;
Src = MK_FP(SHP->Data,0);
currenty = starty;
Plane = 0;
Height = SHP->bmHdr.h;
while (Height--)
{
Dst[0] = (MK_FP(0xA000,displayofs));
Dst[0] += ylookup[currenty];
Dst[0] += startx;
for (loop=1; loop<SHP->bmHdr.d; loop++)
Dst[loop] = Dst[0];
for (Plane=0; Plane<SHP->bmHdr.d; Plane++)
{
outport(0x3c4,((1<<Plane)<<8)|2);
BPR = ((SHP->BPR+1) >> 1) << 1; // IGNORE WORD ALIGN
while (BPR)
{
if (SHP->bmHdr.comp)
n = *Src++;
else
n = BPR-1;
if (n < 0)
{
if (n != -128)
{
n = (-n)+1;
BPR -= n;
Rep = *Src++;
if ((!BPR) && (NotWordAligned)) // IGNORE WORD ALIGN
n--;