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NuBusFPGA/nubus-to-ztex-gateware/NuBusFPGAInit/NuBusFPGAInit.c

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#include "A4Stuff.h"
#include "SetupA4.h"
#include <OSUtils.h>
#include <Types.h>
#include <QuickDraw.h>
#include "NuBusFPGA_HW.h"
#define kINITid 0
#define _BitBlt 0xAB00
//#define QEMU
//extern pascal void CopyBits(const BitMap *srcBits, const BitMap *dstBits, const Rect *srcRect, const Rect *dstRect, short mode, RgnHandle maskRgn) ONEWORDINLINE(0xA8EC);
//extern pascal void StdBits(const BitMap *srcBits, const Rect *srcRect, const Rect *dstRect, short mode, RgnHandle maskRgn) ONEWORDINLINE(0xA8EB);
#if 0
typedef pascal void (*StdBitsProc)(BitMap *srcBits, Rect *srcRect, Rect *dstRect, short mode, RgnHandle maskRgn);
StdBitsProc oldStdBits;
#endif
typedef pascal void (*BitBltProc)(BitMap *srcBits, BitMap *maskBits, BitMap *dstBits, Rect *srcRect, Rect *maskRect, Rect *dstRect, short mode, Pattern *pat, RgnHandle rgnA, RgnHandle rgnB, RgnHandle rgnC, short multColor);
static BitBltProc oldBitBlt;
void* fb_base;
void* bt_base;
void* accel_base;
static inline unsigned long brev(const unsigned long r) {
return (((r&0xFF000000)>>24) | ((r&0xFF0000)>>8) | ((r&0xFF00)<<8) | ((r&0xFF)<<24));
}
#define WAIT_FOR_HW(accel) \
while (accel->reg_status & brev(1<<WORK_IN_PROGRESS_BIT))
#define WAIT_FOR_HW_LE(accel_le) \
while (accel_le->reg_status & (1<<WORK_IN_PROGRESS_BIT))
#define uint8_t unsigned char
#define uint16_t unsigned short
#define uint32_t unsigned long
// this is the stack frame upon entry in BitBlt as described in DravingVars.a
// wrong order as it's going in negative offset
struct qdstuff_order {
// STACK FRAME VARS USED BY SEEKMASK (CALLED BY STRETCHBITS, RGNBLT, DRAWARC, DRAWLINE)
// (NOT USED IN PATEXPAND)
uint16_t RECTFLAG; // // EQU -2 ;WORD
uint16_t VERT; // // RECTFLAG-2
uint32_t RGNBUFFER; // // VERT-4
uint32_t RUNBUF; // <BAL 21Sep88> // RGNBUFFER-4
uint16_t BUFLEFT; // // RUNBUF-2
uint16_t BUFSIZE; // // BUFLEFT-2
uint32_t EXRTN; // // BUFSIZE-4
uint32_t RUNRTN; // // EXRTN-4
uint32_t SEEKMASK; // // RUNRTN-4
uint32_t DSTMASKBUF; // // SEEKMASK-4
uint32_t DSTMASKALIGN; // // DSTMASKBUF-4
uint8_t STATEA[24]; // STATE RECORD // DSTMASKALIGN-RGNREC
uint8_t STATEB[24]; // STATE RECORD // STATEA-RGNREC
uint8_t STATEC[24]; // STATE RECORD // STATEB-RGNREC
uint16_t MINRECT[4]; // <BAL 21Sep88> // STATEC-8
uint16_t DSTSHIFT; // <BAL 21Sep88> // MINRECT-2
uint16_t RUNBUMP; // <BAL 05Nov88> // DSTSHIFT-2
uint32_t DSTROW; // <BAL 03Oct88> // RUNBUMP-4
uint32_t GoShow; // Go home and show crsr <BAL 21Mar89> // DSTROW-4
uint32_t STACKFREE; // -> <BAL 21Sep88> // GoShow-4
// STACK FRAME VARS USED BY PATEXPAND, COLORMAP, DRAWSLAB
// (CALLED BY STRETCHBITS, RGNBLT, BITBLT, DRAWARC, DRAWLINE)
// SET UP FOR BITBLT FOR RGNBLT
uint32_t EXPAT; // YES // STACKFREE-4
uint16_t PATVMASK; // (must follow expat) // EXPAT-2
uint16_t PATHMASK; // (must follow PATVMASK) // PATVMASK-2
uint16_t PATROW; // (must follow PATHMASK) // PATHMASK-2
uint16_t PATHPOS; // YES // PATROW-2
uint8_t filler5; // <8> YES // PATHPOS-1
uint8_t alphaMode; // <8> // filler5-1
uint32_t PATVPOS; // <8> YES <BAL 22Jan89> // alphaMode-4
uint16_t LOCMODE; // YES // PATVPOS-2
uint32_t LOCPAT; // YES // LOCMODE-4
uint32_t FCOLOR; // YES // LOCPAT-4
uint32_t BCOLOR; // YES // FCOLOR-4
uint8_t useDither; // // BCOLOR-1 ;(was pixsrc) reclaimed 07Jul88 <BAL>
uint8_t NEWPATTERN; // YES // useDither-1
uint8_t DSTPIX[78]; // +COLOR TABLE YES -> STACKFREE -54-(50+8) // NEWPATTERN-
uint16_t weight[3]; // weight for averaging // DSTPIX-6 //uint16_t pin[3]; // used by max, min // weight
uint16_t notWeight[3]; // complement of weight (for average) // weight-6
uint8_t multiColor; // set if source contains nonblack/white colors // notWeight-1
uint8_t MMUsave; // MMU mode on entry to QD // multiColor-1
uint8_t FGnotBlack; // / true if forecolor - black // MMUsave-1
uint8_t BGnotWhite; // \ true if backcolor - white (must follow FGBlack) // FGnotBlack-1
uint32_t colorTable; // pointer to color table // BGnotWhite-4
uint32_t invColor; // pointer to inverse color table // colorTable-4
uint16_t invSize; // resolution of inverse color table // invColor-2
uint16_t rtShift; // used by average how far to shift // invSize-2
uint32_t transColor; // copy of backcolor for transparent // rtShift-4
uint32_t hilitColor; // hilite color pixels-> DSTPIX-36 // transColor-4
// MORE SHARED STACK FRAME VARS (STRETCHBITS, RGNBLT, BITBLT)
uint16_t alignSrcPM; // // hilitColor-2
uint8_t SRCPIX[78]; // YES // alignSrcPM-
uint16_t alignMaskPM; // // SRCPIX-2
uint8_t MASKPIX[78]; // YES // alignMaskPM-
uint32_t SRCROW; // YES // MASKPIX-4
uint32_t MASKROW; // YES // SRCROW-4
uint16_t SRCSHIFT; // YES // MASKROW-2
uint16_t MASKSHIFT; // YES // SRCSHIFT-2
uint32_t INVERTFLAG; // YES // MASKSHIFT-4
uint32_t SAVESTK; // YES // INVERTFLAG-4
uint32_t SAVEA5; // YES // SAVESTK-4
uint32_t SRCBUF; // // SAVEA5-4
uint32_t DSTBUF; // // SRCBUF-4
uint32_t SCALEBUF; // // DSTBUF-4
uint32_t dstBufBump; // <BAL 17Mar89> // SCALEBUF-4
uint32_t scaleBufBump; // <BAL 17Mar89> // dstBufBump-4
uint32_t SRCMASKBUF; // // scaleBufBump-4
uint16_t filler1; // // SRCMASKBUF-2
uint16_t SRCLONGS; // // filler1-2
uint16_t SRCMASKLONGS; // // SRCLONGS-2
uint16_t DSTMASKLONGS; // // SRCMASKLONGS-2
uint16_t DSTLONGS; // // DSTMASKLONGS-2
uint16_t SCALELONGS; // // DSTLONGS-2
uint32_t SRCADDR; // // SCALELONGS-4
uint32_t MASKADDR; // // SRCADDR-4
uint32_t DSTADDR; // // MASKADDR-4
uint32_t SRCLIMIT; // // DSTADDR-4
uint16_t NUMER[2]; // // SRCLIMIT-4
uint16_t DENOM[2]; // // NUMER-4
uint16_t MASKNUMER[2]; // // DENOM-4
uint16_t MASKDENOM[2]; // // MASKNUMER-4
uint32_t MODECASE; // -> hilitColor-140-2*(PMREC+CTREC) (50+8) -> -256 -> DSTPIX -292 // MASKDENOM-4
// STACK FRAME VARS USED BY STRETCHBITS ONLY
uint32_t RATIOCASE; // // MODECASE-4
uint32_t MASKCASE; // // RATIOCASE-4
uint16_t HORIZFRACTION; // // MASKCASE-2
uint16_t MASKFRACT; // // HORIZFRACTION-2
uint32_t SCALECASE; // // MASKFRACT-4
uint16_t SRCSCANS; // // SCALECASE-2
uint16_t SRCPIXCNT; // // SRCSCANS-2
uint32_t SRCALIGN; // // SRCPIXCNT-4
uint32_t DSTALIGN; // // SRCALIGN-4
uint32_t MASKALIGN; // // DSTALIGN-4
uint32_t ScaleTbl; // // MASKALIGN-4
uint16_t VERROR; // // ScaleTbl-2
uint16_t CRSRFLAG; // // VERROR-2
uint32_t REALBOUNDS; // -> MODECASE-44 -> DSTPIX-336 // CRSRFLAG-4
// STACK FRAME VARS USED BY RGNBLT ONLY
uint16_t FIRSTV; // // REALBOUNDS-2
uint16_t LASTV; // // FIRSTV-2
uint16_t VBUMP; // , MUST BE ABOVE HBUMP // LASTV-2
uint16_t HBUMP; // // VBUMP-2
uint32_t RGNADDR; // // HBUMP-4
uint16_t filler2; // // RGNADDR-2
uint16_t SRCSIZE; // // filler2-2
uint32_t SAVESTK2; // -> REALBOUNDS-20 -> DSTPIX-356 // SRCSIZE-4
// STACK FRAME VARS USED BY BITBLT ONLY
uint16_t SRCV; // // SAVESTK2-2
uint16_t DSTV; // // SRCV-2
uint16_t SRCBUMP; // // DSTV-2
uint16_t HEIGHT; // // SRCBUMP-2
uint16_t SRCRECT2[4]; // -> SAVESTK2-16 -> DSTPIX-372 // HEIGHT-8
uint32_t FIRSTMASK; // // SRCRECT2-4
uint16_t LONGCNT; // // FIRSTMASK-2
// STACK FRAME VARS USED BY RGNBLT/BITBLT
uint8_t doneMid; // two flags used to control loop // LONGCNT-1
uint8_t endSwitch; // three-way switch chooses from src, pat, bigpat // doneMid-1
uint32_t lastMask; // mask for last long blitted on line // endSwitch-4
uint16_t midCount; // # of pixels on line less mask longs - 1 // lastMask-2
uint16_t pixInLong; // # of pixels in a long - 1 // midCount-2
uint32_t patOffset; // pattern horizontal initial offset // pixInLong-4
uint16_t patPos; // pattern vertical offset // patOffset-2
uint16_t destPixCnt; // 1-based cnt of pixels to blit<02Mar89 BAL> // patPos-2
uint32_t destPixOffset; // destination pixel offset <08Jan89 BAL> // destPixCnt-4
uint16_t pixInLong1; // same as pixInLong, 1 based (for transparent) // destPixOffset-2
uint16_t longBump; // 32 signed direction of blit (for transparent) // pixInLong1-2
};
// same as above, but lines are in reverse order so it can be used directly once the pointer to the stack frame is known
// some types have been hand-converted (e.g. MINRECT to Rect)
struct qdstuff {
uint16_t longBump; // 32 signed direction of blit (for transparent) // pixInLong1-2
uint16_t pixInLong1; // same as pixInLong, 1 based (for transparent) // destPixOffset-2
uint32_t destPixOffset; // destination pixel offset <08Jan89 BAL> // destPixCnt-4
uint16_t destPixCnt; // 1-based cnt of pixels to blit<02Mar89 BAL> // patPos-2
uint16_t patPos; // pattern vertical offset // patOffset-2
uint32_t patOffset; // pattern horizontal initial offset // pixInLong-4
uint16_t pixInLong; // # of pixels in a long - 1 // midCount-2
uint16_t midCount; // # of pixels on line less mask longs - 1 // lastMask-2
uint32_t lastMask; // mask for last long blitted on line // endSwitch-4
uint8_t endSwitch; // three-way switch chooses from src, pat, bigpat // doneMid-1
uint8_t doneMid; // two flags used to control loop // LONGCNT-1
// STACK FRAME VARS USED BY RGNBLT/BITBLT
uint16_t LONGCNT; // // FIRSTMASK-2
uint32_t FIRSTMASK; // // SRCRECT2-4
uint16_t SRCRECT2[4]; // -> SAVESTK2-16 -> DSTPIX-372 // HEIGHT-8
uint16_t HEIGHT; // // SRCBUMP-2
uint16_t SRCBUMP; // // DSTV-2
uint16_t DSTV; // // SRCV-2
uint16_t SRCV; // // SAVESTK2-2
// STACK FRAME VARS USED BY BITBLT ONLY
uint32_t SAVESTK2; // -> REALBOUNDS-20 -> DSTPIX-356 // SRCSIZE-4
uint16_t SRCSIZE; // // filler2-2
uint16_t filler2; // // RGNADDR-2
uint32_t RGNADDR; // // HBUMP-4
uint16_t HBUMP; // // VBUMP-2
uint16_t VBUMP; // , MUST BE ABOVE HBUMP // LASTV-2
uint16_t LASTV; // // FIRSTV-2
uint16_t FIRSTV; // // REALBOUNDS-2
// STACK FRAME VARS USED BY RGNBLT ONLY
uint32_t REALBOUNDS; // -> MODECASE-44 -> DSTPIX-336 // CRSRFLAG-4
uint16_t CRSRFLAG; // // VERROR-2
uint16_t VERROR; // // ScaleTbl-2
uint32_t ScaleTbl; // // MASKALIGN-4
uint32_t MASKALIGN; // // DSTALIGN-4
uint32_t DSTALIGN; // // SRCALIGN-4
uint32_t SRCALIGN; // // SRCPIXCNT-4
uint16_t SRCPIXCNT; // // SRCSCANS-2
uint16_t SRCSCANS; // // SCALECASE-2
uint32_t SCALECASE; // // MASKFRACT-4
uint16_t MASKFRACT; // // HORIZFRACTION-2
uint16_t HORIZFRACTION; // // MASKCASE-2
uint32_t MASKCASE; // // RATIOCASE-4
uint32_t RATIOCASE; // // MODECASE-4
// STACK FRAME VARS USED BY STRETCHBITS ONLY
uint32_t MODECASE; // -> hilitColor-140-2*(PMREC+CTREC) (50+8) -> -256 -> DSTPIX -292 // MASKDENOM-4
uint16_t MASKDENOM[2]; // // MASKNUMER-4
uint16_t MASKNUMER[2]; // // DENOM-4
uint16_t DENOM[2]; // // NUMER-4
uint16_t NUMER[2]; // // SRCLIMIT-4
uint32_t SRCLIMIT; // // DSTADDR-4
uint32_t DSTADDR; // // MASKADDR-4
uint32_t MASKADDR; // // SRCADDR-4
uint32_t SRCADDR; // // SCALELONGS-4
uint16_t SCALELONGS; // // DSTLONGS-2
uint16_t DSTLONGS; // // DSTMASKLONGS-2
uint16_t DSTMASKLONGS; // // SRCMASKLONGS-2
uint16_t SRCMASKLONGS; // // SRCLONGS-2
uint16_t SRCLONGS; // // filler1-2
uint16_t filler1; // // SRCMASKBUF-2
uint32_t SRCMASKBUF; // // scaleBufBump-4
uint32_t scaleBufBump; // <BAL 17Mar89> // dstBufBump-4
uint32_t dstBufBump; // <BAL 17Mar89> // SCALEBUF-4
uint32_t SCALEBUF; // // DSTBUF-4
uint32_t DSTBUF; // // SRCBUF-4
uint32_t SRCBUF; // // SAVEA5-4
uint32_t SAVEA5; // YES // SAVESTK-4
uint32_t SAVESTK; // YES // INVERTFLAG-4
uint32_t INVERTFLAG; // YES // MASKSHIFT-4
uint16_t MASKSHIFT; // YES // SRCSHIFT-2
uint16_t SRCSHIFT; // YES // MASKROW-2
uint32_t MASKROW; // YES // SRCROW-4
uint32_t SRCROW; // YES // MASKPIX-4
uint8_t MASKPIX[78]; // YES // alignMaskPM-
uint16_t alignMaskPM; // // SRCPIX-2
uint8_t SRCPIX[78]; // YES // alignSrcPM-
uint16_t alignSrcPM; // // hilitColor-2
// MORE SHARED STACK FRAME VARS (STRETCHBITS, RGNBLT, BITBLT)
uint32_t hilitColor; // hilite color pixels-> DSTPIX-36 // transColor-4
uint32_t transColor; // copy of backcolor for transparent // rtShift-4
uint16_t rtShift; // used by average how far to shift // invSize-2
uint16_t invSize; // resolution of inverse color table // invColor-2
uint32_t invColor; // pointer to inverse color table // colorTable-4
uint32_t colorTable; // pointer to color table // BGnotWhite-4
uint8_t BGnotWhite; // \ true if backcolor - white (must follow FGBlack) // FGnotBlack-1
uint8_t FGnotBlack; // / true if forecolor - black // MMUsave-1
uint8_t MMUsave; // MMU mode on entry to QD // multiColor-1
uint8_t multiColor; // set if source contains nonblack/white colors // notWeight-1
uint16_t notWeight[3]; // complement of weight (for average) // weight-6
uint16_t weight[3]; // weight for averaging // DSTPIX-6 //uint16_t pin[3]; // used by max, min // weight
uint8_t DSTPIX[78]; // +COLOR TABLE YES -> STACKFREE -54-(50+8) // NEWPATTERN-
uint8_t NEWPATTERN; // YES // useDither-1
uint8_t useDither; // // BCOLOR-1 ;(was pixsrc) reclaimed 07Jul88 <BAL>
uint32_t BCOLOR; // YES // FCOLOR-4
uint32_t FCOLOR; // YES // LOCPAT-4
uint32_t LOCPAT; // YES // LOCMODE-4
uint16_t LOCMODE; // YES // PATVPOS-2
uint32_t PATVPOS; // <8> YES <BAL 22Jan89> // alphaMode-4
uint8_t alphaMode; // <8> // filler5-1
uint8_t filler5; // <8> YES // PATHPOS-1
uint16_t PATHPOS; // YES // PATROW-2
uint16_t PATROW; // (must follow PATHMASK) // PATHMASK-2
uint16_t PATHMASK; // (must follow PATVMASK) // PATVMASK-2
uint16_t PATVMASK; // (must follow expat) // EXPAT-2
uint32_t* EXPAT; // YES // STACKFREE-4
// SET UP FOR BITBLT FOR RGNBLT
// (CALLED BY STRETCHBITS, RGNBLT, BITBLT, DRAWARC, DRAWLINE)
// STACK FRAME VARS USED BY PATEXPAND, COLORMAP, DRAWSLAB
uint32_t STACKFREE; // -> <BAL 21Sep88> // GoShow-4
uint32_t GoShow; // Go home and show crsr <BAL 21Mar89> // DSTROW-4
uint32_t DSTROW; // <BAL 03Oct88> // RUNBUMP-4
uint16_t RUNBUMP; // <BAL 05Nov88> // DSTSHIFT-2
uint16_t DSTSHIFT; // <BAL 21Sep88> // MINRECT-2
Rect MINRECT; // <BAL 21Sep88> // STATEC-8
uint8_t STATEC[24]; // STATE RECORD // STATEB-RGNREC
uint8_t STATEB[24]; // STATE RECORD // STATEA-RGNREC
uint8_t STATEA[24]; // STATE RECORD // DSTMASKALIGN-RGNREC
uint32_t DSTMASKALIGN; // // DSTMASKBUF-4
uint32_t DSTMASKBUF; // // SEEKMASK-4
uint32_t SEEKMASK; // // RUNRTN-4
uint32_t RUNRTN; // // EXRTN-4
uint32_t EXRTN; // // BUFSIZE-4
uint16_t BUFSIZE; // // BUFLEFT-2
uint16_t BUFLEFT; // // RUNBUF-2
uint32_t RUNBUF; // <BAL 21Sep88> // RGNBUFFER-4
uint32_t RGNBUFFER; // // VERT-4
uint16_t VERT; // // RECTFLAG-2
uint16_t RECTFLAG; // // EQU -2 ;WORD
// (NOT USED IN PATEXPAND)
// STACK FRAME VARS USED BY SEEKMASK (CALLED BY STRETCHBITS, RGNBLT, DRAWARC, DRAWLINE)
};
int hwblit(char* stack, char* p_fb_base, /* short dstshift, */ short mode, Pattern* pat, PixMapPtr dstpix, PixMapPtr srcpix, Rect *dstrect, Rect *srcrect) {
struct goblin_bt_regs* bt = (struct goblin_bt_regs*)(p_fb_base + GOBLIN_BT_OFFSET);
struct goblin_accel_regs* accel_le = (struct goblin_accel_regs*)(p_fb_base + GOBLIN_ACCEL_OFFSET_LE);
struct qdstuff* qdstack = (struct qdstuff*)(stack - sizeof(struct qdstuff));
short height = qdstack->MINRECT.bottom - qdstack->MINRECT.top;
short dstshift = qdstack->DSTSHIFT;
if ((mode != 0) && (mode != 8)) { // only copy handled for now
#ifdef QEMU
bt->debug = -2L;
bt->debug = mode;
if (mode == 8) {
bt->debug = qdstack->PATROW;
#if 0
bt->debug = pat->pat[0];
bt->debug = pat->pat[1];
bt->debug = pat->pat[2];
bt->debug = pat->pat[3];
bt->debug = pat->pat[4];
bt->debug = pat->pat[5];
bt->debug = pat->pat[6];
bt->debug = pat->pat[7];
#endif
}
#endif
return 0;
}
if (mode == 8) {
register int i;
register unsigned long expat0 = qdstack->EXPAT[0];
if (qdstack->PATROW != 0) {
bt->debug = -6L;
return 0;
}
if ((expat0 & 0xFFFF) != ((expat0 >> 16) & 0xFFFF))
return 0;
if ((expat0 & 0xFF) != ((expat0 >> 8) & 0xFF))
return 0;
for (i = 1 ; i < 16 ; i++)
if (expat0 != qdstack->EXPAT[i]) {
bt->debug = -7L;
return 0;
}
}
if (dstshift < 3) { // only 8/16/32 bits for now
#ifdef QEMU
bt->debug = -3L;
bt->debug = dstshift;
#endif
return 0;
}
dstshift -= 3;
if (height < 0) { // no height
return 0;
}
if (dstpix->baseAddr != p_fb_base) { // we're not destination
#ifdef QEMU
bt->debug = -4L;
bt->debug = (unsigned long)dstpix->baseAddr;
#endif
return 0;
}
if (srcpix->baseAddr != p_fb_base) { // we're not source
#ifdef QEMU
bt->debug = -5L;
bt->debug = (unsigned long)srcpix->baseAddr;
#endif
return 0;
}
{
Rect realrect, srcv, dstv;
short width = qdstack->MINRECT.right - qdstack->MINRECT.left;
//*debug_ptr = -1L;
realrect.top = qdstack->MINRECT.top;
realrect.left = qdstack->MINRECT.left;
//realrect.bottom = qdstack->MINRECT.bottom;
//realrect.right = qdstack->MINRECT.right;
realrect.top += (srcrect->top - dstrect->top);
realrect.left += (srcrect->left - dstrect->left); /* A2 */
/* qdstack->MINRECT is A3 */
srcv.top = realrect.top - srcpix->bounds.top;
srcv.left = realrect.left - srcpix->bounds.left;
dstv.top = qdstack->MINRECT.top - dstpix->bounds.top;
dstv.left = qdstack->MINRECT.left - dstpix->bounds.left;
/* if .baseAddr of both pix are different, no overlap */
/*
// the HW can handle that for us
if (dstpix->baseAddr == srcpix->baseAddr) {
}
*/
#ifdef QEMU
#if 0
if ((mode == 8) && (qdstack->PATROW == 0)) {
bt->debug = 0x87654321;
bt->debug = qdstack->EXPAT[ 0];
bt->debug = qdstack->EXPAT[ 1];
bt->debug = qdstack->EXPAT[ 2];
bt->debug = qdstack->EXPAT[ 3];
bt->debug = qdstack->EXPAT[ 4];
bt->debug = qdstack->EXPAT[ 5];
bt->debug = qdstack->EXPAT[ 6];
bt->debug = qdstack->EXPAT[ 7];
bt->debug = qdstack->EXPAT[ 8];
bt->debug = qdstack->EXPAT[ 9];
bt->debug = qdstack->EXPAT[10];
bt->debug = qdstack->EXPAT[11];
bt->debug = qdstack->EXPAT[12];
bt->debug = qdstack->EXPAT[13];
bt->debug = qdstack->EXPAT[14];
bt->debug = qdstack->EXPAT[15];
}
#endif
bt->debug = -1L;
bt->debug = srcv.top;
bt->debug = srcv.left;
bt->debug = height;
bt->debug = width;
bt->debug = dstv.top;
bt->debug = dstv.left;
bt->debug = (long)dstpix->baseAddr;
bt->debug = (long)srcpix->baseAddr;
return 0;
#else
WAIT_FOR_HW_LE(accel_le);
accel_le->reg_width = (width << dstshift); // bytes
accel_le->reg_height = (height);
accel_le->reg_bitblt_dst_x = (dstv.left << dstshift); // bytes
accel_le->reg_bitblt_dst_y = (dstv.top);
if (mode == 0) {
accel_le->reg_bitblt_src_x = (srcv.left << dstshift); // bytes
accel_le->reg_bitblt_src_y = (srcv.top);
accel_le->reg_cmd = (1<<DO_BLIT_BIT);
} else if (mode == 8) {
accel_le->reg_fgcolor = (qdstack->EXPAT[0]);
accel_le->reg_cmd = (1<<DO_FILL_BIT);
}
WAIT_FOR_HW_LE(accel_le);
return 1;
#endif
}
return 0;
}
pascal asm void myBitBlt(BitMap *srcBits, BitMap *maskBits, BitMap *dstBits, Rect *srcRect, Rect *maskRect, Rect *dstRect, short mode, Pattern *pat, RgnHandle rgnA, RgnHandle rgnB, RgnHandle rgnC, short multColor){
// a2: srcrect
// a3: dstrect
// a4: srcpix
// a5: dstpix
// d3: srcshift (not used)
// d4: dstshift
// d7: invert flag
link a6,#-4
//moveq #-1,d0
//move.l d0,0xfc90001c
jsr SetCurrentA4
move.l d0,-4(a6)
jsr RememberA4
////movea.l 0(a4), a0
movea.l oldBitBlt, a0
movea.l fb_base, a1
//move.l a0,0xfc90001c
move.l -4(a6), d0
//move.l d0,0xfc90001c
exg d0,a4
unlk a6
//move.l #0xF00FF00F,d0
//move.l a0,0xfc90001c
//move.l d0,0xfc90001c
move.l a0,-(sp) // save oldBitBlt, not a parameter
move.l a2,-(sp) // srcrect*
move.l a3,-(sp) // dstrect*
move.l a4,-(sp) // srcpix*
move.l a5,-(sp) // dstpix*
move.l 22(a6),-(sp) // pat*
move.w 26(a6),-(sp) // mode
//move.w d4,-(sp) // dstshift
move.l a1,-(sp) // fb_base
move.l a6,-(sp) // top of stack
jsr hwblit
add #0x1e,sp
move.l (sp)+,a0 // restore oldBitBlt
//move.l a0,0xfc90001c
cmpi #1,d0 // if hwblit returned 1, it did the copy
beq finish
jmp (a0)
finish:
rts
}
void main(void)
{
long oldA4;
Handle h;
struct goblin_bt_regs* bt;
//volatile unsigned long * const debug_ptr = (unsigned long*)0xFC90001c;
//*debug_ptr = 0xDEADBEEF;
oldA4 = SetCurrentA4();
RememberA4();
fb_base = (void*)GOBLIN_FB_BASE; // FIXME !!!
bt_base = ((char*)fb_base + GOBLIN_BT_OFFSET);
accel_base = ((char*)fb_base + GOBLIN_ACCEL_OFFSET);
bt = (struct goblin_bt_regs*)bt_base;
bt->debug = 0xDEADBEEF;
bt->debug = (unsigned long)fb_base;
bt->debug = (unsigned long)bt_base;
bt->debug = (unsigned long)accel_base;
h = Get1Resource('INIT', kINITid);
if (h) {
DetachResource(h);
} else {
DebugStr("\pargh");
}
oldBitBlt = (BitBltProc)GetToolTrapAddress(_BitBlt);
//*debug_ptr = (unsigned long)oldBitBlt;
SetToolTrapAddress((UniversalProcPtr)myBitBlt, _BitBlt);
/* restore the a4 world */
SetA4(oldA4);
// *debug_ptr = 0xBEEFDEAD;
}
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