/* :ts=4 c2p_interlace.c * * cp4 - Commodore C+4 emulator * Copyright (C) 1998 Gáti Gergely * * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * e-mail: gatig@dragon.klte.hu */ #include #include #include #include #include "cp4_ver.h" #define C2P_VERSION "1" #define C2P_REVISION "1" #define C2P_AUTHOR "gega " #define C2P_NAME "Interlace" #define C2P_BUFFERING 3 #define C2P_DATE DATE #define C2P_LOCALIZE #include "c2p_module.c" #include "c2p_palette.c" extern void REGARGS c2p( REG(a0,void *chunkyaddr), REG(a1,void *deltaaddr), REG(d0,void *planaraddr) ); extern void REGARGS c2pf( REG(a0,void *chunkyaddr), REG(a1,void *planaraddr) ); extern void REGARGS c2pinit(REG(d0,int planewidth), REG(a0,unsigned char *linedeltavec)); struct GfxBase *GfxBase=NULL; struct IntuitionBase *IntuitionBase=NULL; static struct BitMap *bmap[3]; static void *planars[3]; static unsigned char *linedelta; static struct Screen *scr=NULL; static struct Window *win=NULL; static UWORD *nopointer=NULL; static struct ScreenBuffer *scrb[3]; static int winsleeped=0; static struct Requester InvisibleRequester; #define MSG_INFO 0 #define MSG_NOSCRMODE 1 #define MSG_NOGFX 2 #define MSG_NOINTUI 3 #define MSG_NOSCR 4 #define MSG_NOWIN 5 #define MSG_NOMEM 6 #define MSG_WRONGBITMAPTYPE 7 #define MSG_NOHAMEHB 8 static char *defstr[]={ "This is a tricky video driver, for speedup. Only every two lines will be converted. With new digitized palette. Converted by ImageStudio.", "No ScreenMode Specified", "Can't open graphics.library V39", "Can't open intuition.library V37", "Can't open Screen", "Can't open Window", "Not enough memory", "Wrong BitMap Type", "EHB and HAM isn't supported", NULL }; char *SAVEDS minfo(void) { static char in[1024]; char *s; c2p_OpenCatalog(defstr); s=STR(MSG_INFO); c2p_strncpy(in,s,1023); c2p_CloseCatalog(); return(in); } char *SAVEDS minit(ULONG scrmode, ULONG overscan, unsigned char *linedeltatab) { ULONG bf=BMF_CLEAR|BMF_DISPLAYABLE|BMF_INTERLEAVED; int bmx,planes=7; c2p_OpenCatalog(defstr); linedelta=linedeltatab; if(scrmode==~0) return(STR(MSG_NOSCRMODE)); if((scrmode&0x880)!=0) return(STR(MSG_NOHAMEHB)); if((GfxBase=(struct GfxBase *)OpenLibrary("graphics.library",39))==NULL) return(STR(MSG_NOGFX)); if(!(IntuitionBase=(struct IntuitionBase *)OpenLibrary("intuition.library",37))) return(STR(MSG_NOINTUI)); /* Allocate mem for nopointer */ if(NULL==(nopointer=AllocVec(24,MEMF_CHIP|MEMF_CLEAR))) return(STR(MSG_NOMEM)); /* Create palette */ if(vec.c2p_Palette!=NULL) { int i; ULONG *p,l; p=Palette; for(p+=1,i=0;i<384;) { l=0; l=(vec.c2p_Palette[i]<<8)|vec.c2p_Palette[i]; l|=(l<<16); *p++=l; i++; l=(vec.c2p_Palette[i]<<8)|vec.c2p_Palette[i]; l|=(l<<16); *p++=l; i++; l=(vec.c2p_Palette[i]<<8)|vec.c2p_Palette[i]; l|=(l<<16); *p++=l; i++; } } /* Allocate bitmaps */ bmap[0]=AllocBitMap(SCRWIDTH,SCRHEIGHT,planes,bf,NULL); bmap[1]=AllocBitMap(SCRWIDTH,SCRHEIGHT,planes,bf,NULL); bmap[2]=AllocBitMap(SCRWIDTH,SCRHEIGHT,planes,bf,NULL); if(bmap[0]==NULL||bmap[1]==NULL||bmap[2]==NULL) return(STR(MSG_NOMEM)); bmx=GetBitMapAttr(bmap[0],BMA_WIDTH)/8; bf=BMF_DISPLAYABLE|BMF_INTERLEAVED|BMF_STANDARD; if(bf!=GetBitMapAttr(bmap[0],BMA_FLAGS)) return(STR(MSG_WRONGBITMAPTYPE)); if(bf!=GetBitMapAttr(bmap[1],BMA_FLAGS)) return(STR(MSG_WRONGBITMAPTYPE)); if(bf!=GetBitMapAttr(bmap[2],BMA_FLAGS)) return(STR(MSG_WRONGBITMAPTYPE)); c2pinit(bmx,linedelta); planars[0]=bmap[0]->Planes[0]; planars[1]=bmap[1]->Planes[0]; planars[2]=bmap[2]->Planes[0]; /* Open Screen */ if(NULL==(scr=OpenScreenTags(NULL, SA_DisplayID, scrmode, SA_Depth, planes, SA_ShowTitle,FALSE, SA_Quiet, TRUE, SA_Width,SCRWIDTH, SA_Height,SCRHEIGHT, SA_BitMap, (ULONG)bmap[0], SA_Behind, TRUE, SA_Colors32, (ULONG)Palette, SA_Overscan, overscan, TAG_DONE,0L ))) return(STR(MSG_NOSCR)); vec.c2p_Scr=scr; /* Open window */ if((win=(struct Window *)OpenWindowTags(NULL, WA_NoCareRefresh, TRUE, WA_Activate, TRUE, WA_Borderless, TRUE, WA_Backdrop, TRUE, WA_CustomScreen, (ULONG)scr, WA_RMBTrap, TRUE, WA_RptQueue, 25, TAG_DONE,0L ))==NULL) return(STR(MSG_NOWIN)); vec.c2p_Win=win; winsleeped=0; /* set nopointer */ SetPointer(win,nopointer,1,16,0,0); /* Allocate screen buffers */ scrb[0]=AllocScreenBuffer(scr,bmap[0],NULL); scrb[1]=AllocScreenBuffer(scr,bmap[1],NULL); scrb[2]=AllocScreenBuffer(scr,bmap[2],NULL); if(scrb[0]==NULL||scrb[1]==NULL||scrb[2]==NULL) return(STR(MSG_NOMEM)); scrb[0]->sb_DBufInfo->dbi_DispMessage.mn_ReplyPort=NULL; scrb[0]->sb_DBufInfo->dbi_SafeMessage.mn_ReplyPort=NULL; scrb[1]->sb_DBufInfo->dbi_DispMessage.mn_ReplyPort=NULL; scrb[1]->sb_DBufInfo->dbi_SafeMessage.mn_ReplyPort=NULL; scrb[2]->sb_DBufInfo->dbi_DispMessage.mn_ReplyPort=NULL; scrb[2]->sb_DBufInfo->dbi_SafeMessage.mn_ReplyPort=NULL; return(NULL); } // init void SAVEDS mfree(void) { mawake(); if(GfxBase) WaitTOF(); if(scrb[0]) { FreeScreenBuffer(scr,scrb[0]); scrb[0]=NULL; } if(scrb[1]) { FreeScreenBuffer(scr,scrb[1]); scrb[1]=NULL; } if(scrb[2]) { FreeScreenBuffer(scr,scrb[2]); scrb[2]=NULL; } if(win) ClearPointer(win); if(nopointer) { FreeVec(nopointer); nopointer=NULL; } if(win) { CloseWindow(win); win=NULL; } vec.c2p_Win=NULL; if(scr) { CloseScreen(scr); scr=NULL; } vec.c2p_Scr=NULL; if(bmap[0]) { FreeBitMap(bmap[0]); bmap[0]=NULL; } if(bmap[1]) { FreeBitMap(bmap[1]); bmap[1]=NULL; } if(bmap[2]) { FreeBitMap(bmap[2]); bmap[2]=NULL; } if(GfxBase) CloseLibrary((struct Library *)GfxBase); if(IntuitionBase) { CloseLibrary((struct Library *)IntuitionBase); IntuitionBase=NULL; } c2p_CloseCatalog(); return; } // free int SAVEDS mdo(unsigned char *chunky,unsigned char *delta,int numscreen) { c2p(chunky,delta,planars[numscreen]); ChangeScreenBuffer(scr,scrb[numscreen]); return(RET_OK); } // do int SAVEDS mdofull(unsigned char *chunky,int numscreen) { c2pf(chunky,planars[numscreen]); ChangeScreenBuffer(scr,scrb[numscreen]); return(RET_OK); } // dofull int SAVEDS mdont(void) { return(RET_OK); } // dont void SAVEDS msleep(void) { if(win) { InitRequester(&InvisibleRequester); Request(&InvisibleRequester,win); SetWindowPointer(win,WA_BusyPointer,TRUE,TAG_DONE); winsleeped=1; } } // sleep void SAVEDS mawake(void) { if(winsleeped) { if(win) { EndRequest(&InvisibleRequester,win); SetWindowPointerA(win,NULL); SetPointer(win,nopointer,1,16,0,0); winsleeped=0; } } } // awake