np2/io/gdc_sub.c - diff

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Diff for /np2/io/gdc_sub.c between versions 1.12 and 1.22

version 1.12, 2004/02/18 03:56:57	version 1.22, 2011/01/15 18:04:43
Line 1	Line 1
#include "compiler.h"	#include "compiler.h"
	#if !defined(DISABLE_MATH_H)
#include <math.h>	#include <math.h>
	#endif
#include "cpucore.h"	#include "cpucore.h"
#include "pccore.h"	#include "pccore.h"
#include "iocore.h"	#include "iocore.h"
	#include "gdc_sub.h"
#include "gdc_pset.h"	#include "gdc_pset.h"
#include "vram.h"	#include "vram.h"

Line 13 enum {	Line 16 enum {
RT_TABLEMAX = (1 << RT_TABLEBIT)	RT_TABLEMAX = (1 << RT_TABLEBIT)
};	};

	static UINT16 gdc_rt[RT_TABLEMAX+1];

typedef struct {	typedef struct {
SINT16 x;	SINT16 x;
SINT16 y;	SINT16 y;
Line 20 typedef struct {	Line 25 typedef struct {
SINT16 y2;	SINT16 y2;
} VECTDIR;	} VECTDIR;

static UINT16 gdc_rt[RT_TABLEMAX+1];	const UINT32 gdcplaneseg[4] = {VRAM_E, VRAM_B, VRAM_R, VRAM_G};

static const VECTDIR vectdir[16] = {	static const VECTDIR vectdir[16] = {
{ 0, 1, 1, 0}, { 1, 1, 1,-1},	{ 0, 1, 1, 0}, { 1, 1, 1,-1},
Line 36 static const VECTDIR vectdir[16] = {	Line 41 static const VECTDIR vectdir[16] = {

#if !defined(MEMOPTIMIZE) \|\| (MEMOPTIMIZE < 2)	#if !defined(MEMOPTIMIZE) \|\| (MEMOPTIMIZE < 2)
const UINT8 gdcbitreverse[0x100] = {	const UINT8 gdcbitreverse[0x100] = {
0x00, 0x01, 0x01, 0x03, 0x01, 0x05, 0x03, 0x07,	0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
0x01, 0x09, 0x05, 0x0d, 0x03, 0x0b, 0x07, 0x0f,	0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
0x01, 0x11, 0x09, 0x19, 0x05, 0x15, 0x0d, 0x1d,	0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
0x03, 0x13, 0x0b, 0x1b, 0x07, 0x17, 0x0f, 0x1f,	0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
0x01, 0x21, 0x11, 0x31, 0x09, 0x29, 0x19, 0x39,	0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
0x05, 0x25, 0x15, 0x35, 0x0d, 0x2d, 0x1d, 0x3d,	0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
0x03, 0x23, 0x13, 0x33, 0x0b, 0x2b, 0x1b, 0x3b,	0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
0x07, 0x27, 0x17, 0x37, 0x0f, 0x2f, 0x1f, 0x3f,	0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
0x01, 0x41, 0x21, 0x61, 0x11, 0x51, 0x31, 0x71,	0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
0x09, 0x49, 0x29, 0x69, 0x19, 0x59, 0x39, 0x79,	0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
0x05, 0x45, 0x25, 0x65, 0x15, 0x55, 0x35, 0x75,	0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
0x0d, 0x4d, 0x2d, 0x6d, 0x1d, 0x5d, 0x3d, 0x7d,	0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
0x03, 0x43, 0x23, 0x63, 0x13, 0x53, 0x33, 0x73,	0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
0x0b, 0x4b, 0x2b, 0x6b, 0x1b, 0x5b, 0x3b, 0x7b,	0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
0x07, 0x47, 0x27, 0x67, 0x17, 0x57, 0x37, 0x77,	0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
0x0f, 0x4f, 0x2f, 0x6f, 0x1f, 0x5f, 0x3f, 0x7f,	0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,	0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,	0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,	0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
Line 85 REG8 gdcbitreverse(REG8 data) {	Line 90 REG8 gdcbitreverse(REG8 data) {
#endif	#endif


void gdcsub_init(void) {	void gdcsub_initialize(void) {

	#if !defined(DISABLE_MATH_H)
int i;	int i;

for (i=0; i<=RT_TABLEMAX; i++) {	for (i=0; i<=RT_TABLEMAX; i++) {
gdc_rt[i] = (UINT16)((double)(1 << RT_MULBIT) *	gdc_rt[i] = (UINT16)((double)(1 << RT_MULBIT) *
(1 - sqrt(1 - pow((0.70710678118654 * i) / RT_TABLEMAX, 2))));	(1 - sqrt(1 - pow((0.70710678118654 * i) / RT_TABLEMAX, 2))));
}	}
	#endif
}	}

void gdcslavewait(NEVENTITEM item) {	void gdcslavewait(NEVENTITEM item) {
Line 102 void gdcslavewait(NEVENTITEM item) {	Line 109 void gdcslavewait(NEVENTITEM item) {
}	}
}	}

	void gdcsub_setslavewait(UINT32 wait) {

	SINT32 clk;

	clk = nevent_getremain(NEVENT_GDCSLAVE);
	if (clk < 0) {
	clk = 0;
	}
	gdc.s_drawing = 8; // GDC DRAWING!
	nevent_set(NEVENT_GDCSLAVE, clk + wait, gdcslavewait, NEVENT_ABSOLUTE);
	}

static void calc_gdcslavewait(UINT dots) {	static void calc_gdcslavewait(UINT dots) {

SINT32 clk;	SINT32 clk;

clk = dots;	clk = dots;
if (pccore.baseclock != PCBASECLOCK20) {	if (pccore.cpumode & CPUMODE_8MHZ) {
clk *= 27648;	clk *= 22464;
}	}
else {	else {
clk *= 22464;	clk *= 27648;
}	}
clk *= pccore.multiple;	clk *= pccore.multiple;
clk /= 15625;	clk /= 15625;
clk += 30 * pccore.multiple;	clk += 30 * pccore.multiple;
gdc.s_drawing = 8; // GDC DRAWING!	gdcsub_setslavewait(clk);
nevent_set(NEVENT_GDCSLAVE, clk, gdcslavewait, NEVENT_ABSOLUTE);	}

	void gdcsub_setvectl(GDCVECT *vect, int xx1, int yy1, int xx2, int yy2) {

	UINT ope;
	int dy;
	int dx;
	int tmp;

	ope = 0;
	dy = yy2 - yy1;
	if (dy < 0) {
	dy = 0 - dy;
	}
	dx = xx2 - xx1;
	if (dx == 0) {
	if (yy1 <= yy2) {
	ope = 7;
	}
	else {
	ope = 3;
	}
	}
	else {
	if (dx > 0) {
	if (yy1 >= yy2) {
	ope += 2;
	}
	}
	else {
	dx = 0 - dx;
	ope += 4;
	if (yy1 <= yy2) {
	ope += 2;
	}
	}
	if (ope & 2) {
	if (dx <= dy) {
	ope += 1;
	}
	}
	else {
	if (dx >= dy) {
	ope += 1;
	}
	}
	}
	if (!((ope + 1) & 2)) {
	tmp = dx;
	dx = dy;
	dy = tmp;
	}
	vect->ope = (UINT8)(ope + 0x08);
	STOREINTELWORD(vect->DC, (UINT16)dx);
	dy = dy * 2;
	STOREINTELWORD(vect->D1, (UINT16)dy);
	dy -= dx;
	STOREINTELWORD(vect->D, (UINT16)dy);
	dy -= dx;
	STOREINTELWORD(vect->D2, (UINT16)dy);
}	}


	// ----

void gdcsub_vect0(UINT32 csrw, const GDCVECT *vect, REG16 pat, REG8 ope) {	void gdcsub_vect0(UINT32 csrw, const GDCVECT *vect, REG16 pat, REG8 ope) {

(void)csrw;	(void)csrw;
Line 211 void gdcsub_vectl(UINT32 csrw, const GDC	Line 292 void gdcsub_vectl(UINT32 csrw, const GDC
void gdcsub_vectt(UINT32 csrw, const GDCVECT *vect, REG16 pat, REG8 ope) {	void gdcsub_vectt(UINT32 csrw, const GDCVECT *vect, REG16 pat, REG8 ope) {

_GDCPSET pset;	_GDCPSET pset;
BYTE multiple;	UINT8 multiple;
UINT sx;	UINT sx;
const VECTDIR *dir;	const VECTDIR *dir;
BYTE muly;	UINT8 muly;
REG16 cx;	REG16 cx;
REG16 cy;	REG16 cy;
UINT xrem;	UINT xrem;
BYTE mulx;	UINT8 mulx;

if (vect->ope & 0x80) { // SL	if (vect->ope & 0x80) { // SL
pat = (REG16)((GDCPATREVERSE(pat) << 8) + GDCPATREVERSE(pat >> 8));	pat = (REG16)((GDCPATREVERSE(pat) << 8) + GDCPATREVERSE(pat >> 8));
Line 396 const VECTDIR *dir;	Line 477 const VECTDIR *dir;
calc_gdcslavewait(pset.dots);	calc_gdcslavewait(pset.dots);
}	}

void gdcsub_text(UINT32 csrw, const GDCVECT vect, const BYTE pat,	void gdcsub_text(UINT32 csrw, const GDCVECT vect, const UINT8 pat,
REG8 ope) {	REG8 ope) {

_GDCPSET pset;	_GDCPSET pset;
BYTE multiple;	UINT8 multiple;
UINT sx;	UINT sx;
UINT sy;	UINT sy;
const VECTDIR *dir;	const VECTDIR *dir;
UINT patnum;	UINT patnum;
BYTE muly;	UINT8 muly;
REG16 cx;	REG16 cx;
REG16 cy;	REG16 cy;
UINT xrem;	UINT xrem;
BYTE bit;	UINT8 bit;
BYTE mulx;	UINT8 mulx;

gdcpset_prepare(&pset, csrw, 0xffff, ope);	gdcpset_prepare(&pset, csrw, 0xffff, ope);
multiple = (gdc.s.para[GDC_ZOOM] & 15) + 1;	multiple = (gdc.s.para[GDC_ZOOM] & 15) + 1;
Line 477 void gdcsub_write(void) {	Line 558 void gdcsub_write(void) {
UINT16 data;	UINT16 data;
UINT32 adrs;	UINT32 adrs;
UINT leng;	UINT leng;
BYTE *ptr;	UINT8 *ptr;
UINT16 updatebit;	UINT16 updatebit;

#if 0	#if 0
Line 544 void gdcsub_write(void) {	Line 625 void gdcsub_write(void) {
ptr += VRAM_STEP;	ptr += VRAM_STEP;
updatebit = 0x0202;	updatebit = 0x0202;
}	}
gdcs.grphdisp \|= (BYTE)updatebit;	gdcs.grphdisp \|= (UINT8)updatebit;

ptr += vramplaneseg[(adrs >> 14) & 3];	ptr += gdcplaneseg[(adrs >> 14) & 3];
adrs = (adrs & 0x3fff) << 1;	adrs = (adrs & 0x3fff) << 1;
calc_gdcslavewait(leng);	calc_gdcslavewait(leng);

RetroPC.NET-CVS <cvs@retropc.net>

Removed from v.1.12
changed lines
	Added in v.1.22