xmil/vram/makescrn.c - diff

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Diff for /xmil/vram/makescrn.c between versions 1.13 and 1.14

version 1.13, 2004/08/17 16:52:46	version 1.14, 2004/08/18 08:08:13
Line 1	Line 1
#include "compiler.h"	#include "compiler.h"
#include "scrnmng.h"	#include "scrnmng.h"
	#include "sysmng.h"
#include "pccore.h"	#include "pccore.h"
#include "iocore.h"	#include "iocore.h"
#include "vram.h"	#include "vram.h"
Line 9	Line 10
#include "makesub.h"	#include "makesub.h"


MAKESCRN makescrn;	MAKESCRN makescrn;

UINT8 scrnallflash;	UINT8 scrnallflash;
static UINT8 lastdisp = 0;	UINT drawtime = 0;
static UINT8 blinktime = 1;
UINT drawtime = 0;


static void fillupdatetmp(void) {	static void fillupdatetmp(void) {
Line 101 static BRESULT updateblink(void) {	Line 100 static BRESULT updateblink(void) {
REG8 update;	REG8 update;
UINT r;	UINT r;

if (blinktime) {	if (makescrn.blinktime) {
blinktime--;	makescrn.blinktime--;
return(FALSE);	return(FALSE);
}	}
else {	else {
blinktime = 30 - 1;	makescrn.blinktime = 30 - 1;
pos = makescrn.vramtop;	pos = makescrn.vramtop;
makescrn.blinktest ^= 0x10;	makescrn.blinktest ^= 0x10;
update = 0;	update = 0;
Line 132 static BRESULT updateblink(void) {	Line 131 static BRESULT updateblink(void) {

// ----	// ----

	typedef void (*MAKEFN)(void);

	static void width_dummy(void) { }

	static const UINT8 screendraw[] = {
	MAKESCRN_320x200S, MAKESCRN_320x400,
	MAKESCRN_320x200S, MAKESCRN_320x400,
	MAKESCRN_320x200S, MAKESCRN_320x400,
	MAKESCRN_320x200S, MAKESCRN_320x200H,

	MAKESCRN_320x200S, MAKESCRN_320x400,
	MAKESCRN_320x200S, MAKESCRN_320x400,
	MAKESCRN_320x200S, MAKESCRN_320x200H,
	MAKESCRN_320x200S, MAKESCRN_320x200H,

	#if defined(SUPPORT_TURBOZ)
	MAKESCRN_320x200H, MAKESCRN_320x200H,
	MAKESCRN_320x200H, MAKESCRN_320x200H,
	MAKESCRN_320x200H, MAKESCRN_320x200H,
	MAKESCRN_320x200H, MAKESCRN_320x200H,

	MAKESCRN_320x200H, MAKESCRN_320x200H,
	MAKESCRN_320x200H, MAKESCRN_320x200H,
	MAKESCRN_320x200H, MAKESCRN_320x200H,
	MAKESCRN_320x200H, MAKESCRN_320x200H,
	#endif
	};

	static const MAKEFN screenmake[] = {
	width80x25_200l, width80x25_400h,
	width80x25_200l, width80x25_200h,
	width80x12_200l, width80x12_400h,
	width80x12_200l, width80x12_200h,

	width80x20l, width80x20h,
	width80x20l, width80x20h,
	width80x10l, width80x10h,
	width80x10l, width80x10h,

	#if defined(SUPPORT_TURBOZ)
	width_dummy, width_dummy,
	width_dummy, width_dummy,
	width_dummy, width_dummy,
	width_dummy, width_dummy,

	width_dummy, width_dummy,
	width_dummy, width_dummy,
	width_dummy, width_dummy,
	width_dummy, width_dummy,
	#endif
	};


static void changemodes(void) {	static void changemodes(void) {

lastdisp = crtc.e.dispmode;	REG8 dispmode;
if (!(lastdisp & SCRN_BANK1)) {
	dispmode = crtc.e.dispmode;
	makescrn.dispmode = dispmode;
	makescrn.drawmode = screendraw[dispmode & DISPMODE_MASKMODE];
	if (dispmode & DISPMODE_WIDTH80) {
	makescrn.drawmode \|= 1;
	}
	sysmng_scrnwidth((dispmode & DISPMODE_WIDTH80) == 0);

	if (!(dispmode & DISPMODE_BANK1)) {
makescrn.disp1 = gram + GRAM_BANK0;	makescrn.disp1 = gram + GRAM_BANK0;
makescrn.disp2 = gram + GRAM_BANK1;	makescrn.disp2 = gram + GRAM_BANK1;
makescrn.dispflag = UPDATE_TRAM \| UPDATE_VRAM0;	makescrn.dispflag = UPDATE_TRAM + UPDATE_VRAM0;
}	}
else {	else {
makescrn.disp1 = gram + GRAM_BANK1;	makescrn.disp1 = gram + GRAM_BANK1;
makescrn.disp2 = gram + GRAM_BANK0;	makescrn.disp2 = gram + GRAM_BANK0;
makescrn.dispflag = UPDATE_TRAM \| UPDATE_VRAM1;	makescrn.dispflag = UPDATE_TRAM + UPDATE_VRAM1;
}	}
scrnallflash = 1;	scrnallflash = 1;
makescrn.palandply = 1;	makescrn.palandply = 1;
Line 155 static void changecrtc(void) {	Line 216 static void changecrtc(void) {
UINT scrnymax;	UINT scrnymax;
UINT textxl;	UINT textxl;
UINT surfcx;	UINT surfcx;
REG8 widthmode;
UINT fontcy;	UINT fontcy;
UINT underlines;	UINT underlines;
REG8 y2;	REG8 y2;
Line 168 static void changecrtc(void) {	Line 228 static void changecrtc(void) {

makescrn.vramtop = crtc.e.pos;	makescrn.vramtop = crtc.e.pos;

scrnxmax = (crtc.s.width40)?40:80;	scrnxmax = (makescrn.dispmode & DISPMODE_WIDTH80)?80:40;
scrnymax = 200;	scrnymax = 200;
if (crtc.s.width40) {
if (lastdisp & SCRN_DRAW4096) {
widthmode = SCRNWIDTHMODE_4096;
}
else {
widthmode = SCRNWIDTHMODE_WIDTH40;
}
}
else {
widthmode = SCRNWIDTHMODE_WIDTH80;
}
scrndraw_changewidth(widthmode);

textxl = crtc.s.reg[CRTCREG_HDISP];	textxl = crtc.s.reg[CRTCREG_HDISP];
surfcx = min(scrnxmax, textxl);	surfcx = min(scrnxmax, textxl);

fontcy = crtc.e.fonty;	fontcy = crtc.e.fonty;
underlines = (crtc.s.SCRN_BITS & SCRN_UNDERLINE)?2:0;	underlines = (makescrn.dispmode & DISPMODE_UNDERLINE)?2:0;
if (fontcy > underlines) {	if (fontcy > underlines) {
fontcy -= underlines;	fontcy -= underlines;
}	}
else {	else {
fontcy = 0;	fontcy = 0;
}	}
y2 = (crtc.s.SCRN_BITS & SCRN_TEXTYx2)?1:0;	y2 = (makescrn.dispmode & DISPMODE_TEXTYx2)?1:0;
fontcy >>= y2;	fontcy >>= y2;
#if 0	#if 0
if (((dispmode & SCRN64_MASK) != SCRN64_INVALID) && (fontcy > 8)) {	if (((dispmode & SCRN64_MASK) != SCRN64_INVALID) && (fontcy > 8)) {
Line 241 static void changecrtc(void) {	Line 289 static void changecrtc(void) {
// scrnmng_setheight(0, charcy * surfcy * 2);	// scrnmng_setheight(0, charcy * surfcy * 2);
}	}


// -------------------------------------------------------------------------

typedef void (*DRAWFN)(void);

static const DRAWFN screendraw[8] = {
width80x25_200l, width80x25_400h,
width80x25_200l, width80x25_200h,
width80x12_200l, width80x12_400h,
width80x12_200l, width80x12_200h};

static const DRAWFN screendraw2[8] = {
width80x20l, width80x20h,
width80x20l, width80x20h,
width80x10l, width80x10h,
width80x10l, width80x10h};


void scrnupdate(void) {	void scrnupdate(void) {

BRESULT ddrawflash;	BRESULT ddrawflash;
Line 271 void scrnupdate(void) {	Line 301 void scrnupdate(void) {

ddrawflash = makescrn.nextdraw;	ddrawflash = makescrn.nextdraw;
allflash = FALSE;	allflash = FALSE;
if (lastdisp != crtc.e.dispmode) {	if (makescrn.dispmode != crtc.e.dispmode) {
changemodes();	changemodes();
}	}
if (scrnallflash) {	if (scrnallflash) {
Line 299 void scrnupdate(void) {	Line 329 void scrnupdate(void) {
makescrn.scrnflash = 0;	makescrn.scrnflash = 0;
if (makescrn.vramsize) {	if (makescrn.vramsize) {
makescrn.fontycnt = 0;	makescrn.fontycnt = 0;
	screenmake[makescrn.dispmode & DISPMODE_MASKMODE]();
	#if 0
switch(lastdisp & SCRN64_MASK) {	switch(lastdisp & SCRN64_MASK) {
case SCRN64_320x200:	case SCRN64_320x200:
// width40x25_64s();	// width40x25_64s();
Line 343 void scrnupdate(void) {	Line 375 void scrnupdate(void) {
// case SCRN64_INVALID:	// case SCRN64_INVALID:
default:	default:
if (!(crtc.s.SCRN_BITS & SCRN_UNDERLINE)) {	if (!(crtc.s.SCRN_BITS & SCRN_UNDERLINE)) {
screendraw[crtc.s.SCRN_BITS & 7]();	screenmake[(crtc.s.SCRN_BITS & 7) + 0]();
}	}
else {	else {
screendraw2[crtc.s.SCRN_BITS & 7]();	screenmake[(crtc.s.SCRN_BITS & 7) + 8]();
}	}
break;	break;
}	}
	#endif
ddrawflash = TRUE;	ddrawflash = TRUE;
}	}
}	}

if (ddrawflash) {	if (ddrawflash) {
ddrawflash = 0;
makescrn.nextdraw = scrndraw_draw(allflash);	makescrn.nextdraw = scrndraw_draw(allflash);
drawtime++;	drawtime++;
}	}

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

Removed from v.1.13
changed lines
	Added in v.1.14