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jagonly.c
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/* marsonly.c */
#include "doomdef.h"
#include "r_local.h"
/*
JAGUAR MEMORY MAP
0x 4000 text/data/bss
0x 80000 start heap
0x1c8000 sbarback (0x3210)
0x1cb210 sbarfront (0x3200)
0x1ce410 debugscreen (0x1bf0)
0x1d0000 screens[0]
0x1e0000 screens[1]
0x1f0000 soundbuffer
0x1f4000 stack (8 bytes of screenshade)
0x200000 end of ram
at all times,
pixel_t *workingscreen; will point to the undisplayed screens[workpage]
*/
boolean debugscreenstate = false;
boolean debugscreenactive;
pixel_t *screens[2]; /* [SCREENWIDTH*SCREENHEIGHT]; */
short *palette8; /* [256] for translating 8 bit source to 16 bit */
int *screenshade; /* pixels for screen shifting */
byte *debugscreen;
extern jagobj_t *sbar;
extern byte *sbartop;
int workpage; /* which frame is not being displayed */
int worklist; /* which listbuffer is not being used */
int isrvmode = 0xC1+(7<<9); /* vmode value set by ISR each screen */
extern int listbuffer[256];
extern int listbuffer1[256];
extern int listbuffer2[256];
extern int stopobj[2];
int *listbuffers[2] = {listbuffer1,listbuffer2};
int *displaylist_p; /* list currently being displayed */
int *readylist_p = stopobj; /* list to display next frame */
int *worklist_p, *work_p; /* list currently being built */
int joypad[32];
int joystick1;
int ticcount;
unsigned branch1, branch2;
int junk;
int spincount;
int ZERO = 0, zero = 0, zero2 = 0;
pixel_t *framebuffer;
extern jagobj_t *sbar;
char hexdigits[16] = "0123456789ABCDEF";
void InitDisplay (void);
void Spin (void)
{
I_Print8 (1,24,"Spin...");
while (1)
;
}
void ReadEEProm (void);
/*
================
=
= Jag68k_main
=
================
*/
extern int gpubase,gpubase_init;
extern int dspbase,dspbase_init;
extern int enddata;
extern short video_height;
extern short a_vdb, a_vde, a_hdb, a_hde;
unsigned BASEORGY;
void Jag68k_main (void)
{
int i;
debugscreenactive = debugscreenstate;
/* clear screen */
readylist_p = stopobj;
*(int *)0xf1a114 = ZERO; /* make sure it's stopped */
*(int *)0xf02114 = ZERO; /* make sure it's stopped */
/* clear bss and screens */
D_memset (&enddata, 0, 0x1fc000 - (int)&enddata);
/* init vars */
sbar = (jagobj_t *)0x1c8000;
sbartop = (byte *)0x1cb210;
debugscreen = (byte *)0x1ce410;
framebuffer = screens[0] = (pixel_t *)0x1d0000;
screens[1] = (pixel_t *)0x1e0000;
screenshade = (int *)0x1f4000;
#if 0
soundbuffer[0] = 0xffff; /* debug click in sound buffer */
soundbuffer[1] = 0xffff;
soundbuffer[4] = 0xeeee;
soundbuffer[5] = 0xeeee;
#endif
I_Print8 (1,0,"GPU_main");
/* */
/* copy dsp programs */
/* */
*(int *)0xf1a10c = 0x00050005; /* operate in correct endian mode */
*(int *)0xf1a114 = ZERO; /* make sure it's stopped */
*(int *)0xf1a100 = (31<<9)+(1<<17); /* clear interrupt latches */
for (i=0 ; i< 128 ; i++)
((int *)0xf1b000)[i] = ((int *)&dspbase)[i];
for ( ; i< 2048 ; i++)
((int *)0xf1b000)[i] = ZERO;
*(int *)0xf1a110 = (int)&dspbase_init; /* set it up at init code */
*(int *)0xf1a114 = 1; /* start it */
/* */
/* init NTSC/PAL stuff */
/* */
if (video_height >= 256) /* pal */
{
BASEORGY = 48;
ticrate = 3;
}
else
{
BASEORGY = 24; /* NTSC */
ticrate = 4;
}
branch1 = 0x8003 + (a_vde<<3);
branch2 = 0x4003 + (a_vdb<<3);
/* */
/* init sound hardware */
/* */
/* *(int *)0xf1a148 = ZERO; // R_DAC */
/* *(int *)0xf1a14c = ZERO; // L_DAC */
*(int *)0xf14000 = 0x100; /* JOYSTICK (unmute sound) */
*(int *)0xf1a150 = 19; /* SCLK (SSI Clock frequency) */
*(int *)0xf1a154 = 0x15; /* SMODE (SSI Control) */
/* copy gpu programs */
*(int *)0xf02114 = ZERO; /* make sure it's stopped */
*(int *)0xf02100 = (31<<9); /* clear interrupt latches */
*(int *)0xf0211c = ZERO; /* clear divide control */
for (i=0 ; i< 64 ; i++)
((int *)0xf03000)[i] = ((int *)&gpubase)[i];
for ( ; i< 1024 ; i++)
((int *)0xf03000)[i] = 0;
*(int *)0xf02110 = (int)&gpubase_init; /* set it up at init code */
*(int *)0xf02114 = 1; /* start it */
/* set a two color palette */
((pixel_t *)0xf00400)[0] = ZERO;
for (i=1 ; i<256 ; i++)
((pixel_t *)0xf00400)[i] = (pixel_t)0xffff;
I_Update ();
/* */
/* load defaults */
/* */
ReadEEProm ();
/* */
/* start doom */
/* */
D_DoomMain ();
}
/*
==============================================================================
DOOM INTERFACE CODE
==============================================================================
*/
byte font8[] =
{0,0,0,0,0,0,0,0,24,24,24,24,24,0,24,0,
54,54,54,0,0,0,0,0,108,108,254,108,254,108,108,0,
48,124,192,120,12,248,48,0,198,204,24,48,102,198,0,0,
56,108,56,118,220,204,118,0,24,24,48,0,0,0,0,0,
6,12,24,24,24,12,6,0,48,24,12,12,12,24,48,0,
0,102,60,255,60,102,0,0,0,24,24,126,24,24,0,0,
0,0,0,0,48,48,96,0,0,0,0,0,126,0,0,0,
0,0,0,0,0,96,96,0,6,12,24,48,96,192,128,0,
56,108,198,198,198,108,56,0,24,56,24,24,24,24,60,0,
248,12,12,56,96,192,252,0,248,12,12,56,12,12,248,0,
28,60,108,204,254,12,12,0,252,192,248,12,12,12,248,0,
60,96,192,248,204,204,120,0,252,12,24,48,96,192,192,0,
120,204,204,120,204,204,120,0,120,204,204,124,12,12,120,0,
0,96,96,0,96,96,0,0,0,96,96,0,96,96,192,0,
12,24,48,96,48,24,12,0,0,0,252,0,0,252,0,0,
96,48,24,12,24,48,96,0,124,6,6,28,24,0,24,0,
124,198,222,222,222,192,120,0,48,120,204,204,252,204,204,0,
248,204,204,248,204,204,248,0,124,192,192,192,192,192,124,0,
248,204,204,204,204,204,248,0,252,192,192,248,192,192,252,0,
252,192,192,248,192,192,192,0,124,192,192,192,220,204,124,0,
204,204,204,252,204,204,204,0,60,24,24,24,24,24,60,0,
12,12,12,12,12,12,248,0,198,204,216,240,216,204,198,0,
192,192,192,192,192,192,252,0,198,238,254,214,198,198,198,0,
198,230,246,222,206,198,198,0,120,204,204,204,204,204,120,0,
248,204,204,248,192,192,192,0,120,204,204,204,204,216,108,0,
248,204,204,248,240,216,204,0,124,192,192,120,12,12,248,0,
252,48,48,48,48,48,48,0,204,204,204,204,204,204,124,0,
204,204,204,204,204,120,48,0,198,198,198,214,254,238,198,0,
198,198,108,56,108,198,198,0,204,204,204,120,48,48,48,0,
254,12,24,48,96,192,254,0,120,96,96,96,96,96,120,0,
192,96,48,24,12,6,0,0,120,24,24,24,24,24,120,0,
24,60,102,66,0,0,0,0,0,0,0,0,0,0,255,0,
192,192,96,0,0,0,0,0,0,0,120,12,124,204,124,0,
192,192,248,204,204,204,248,0,0,0,124,192,192,192,124,0,
12,12,124,204,204,204,124,0,0,0,120,204,252,192,124,0,
60,96,96,248,96,96,96,0,0,0,124,204,124,12,248,0,
192,192,248,204,204,204,204,0,24,0,56,24,24,24,60,0,
24,0,24,24,24,24,240,0,192,192,204,216,240,216,204,0,
56,24,24,24,24,24,60,0,0,0,236,214,214,214,214,0,
0,0,248,204,204,204,204,0,0,0,120,204,204,204,120,0,
0,0,248,204,204,248,192,0,0,0,124,204,204,124,12,0,
0,0,220,224,192,192,192,0,0,0,124,192,120,12,248,0,
96,96,252,96,96,96,60,0,0,0,204,204,204,204,124,0,
0,0,204,204,204,120,48,0,0,0,214,214,214,214,110,0,
0,0,198,108,56,108,198,0,0,0,204,204,124,12,248,0,
0,0,252,24,48,96,252,0,28,48,48,224,48,48,28,0,
24,24,24,0,24,24,24,0,224,48,48,28,48,48,224,0,
118,220,0,0,0,0,0,0,252,252,252,252,252,252,252,0};
/*
=================
=
= I_Print8
=
=================
*/
void I_Print8 (int x, int y, char *string)
{
int c;
byte *source,*dest;
dest = debugscreen + (y<<8) + x;
if (y > 224/8)
return;
while ((c=*string++) && x<32)
{
if (c < 32 || c>= 128)
continue;
source = font8 + ((c-32)<<3);
dest[0] = *source++;
dest[32] = *source++;
dest[32*2] = *source++;
dest[32*3] = *source++;
dest[32*4] = *source++;
dest[32*5] = *source++;
dest[32*6] = *source;
dest++;
x++;
}
}
/*
================
=
= I_Error
=
================
*/
char errormessage[80];
void I_Error (char *error, ...)
{
D_vsprintf (errormessage,error,((int *)&error)+1);
I_Print8 (0,25,errormessage);
debugscreenactive = true;
I_Update ();
while (1)
;
}
/*
================
=
= I_Init
=
= Called after all other subsystems have been started
================
*/
void I_Init (void)
{
int i;
palette8 = W_CacheLumpName ("CRYPAL",PU_STATIC);
for (i=0 ; i<256 ; i++)
((pixel_t *)0xf00400)[i] = palette8[i];
}
void I_DrawSbar (void)
{
jagobj_t *frag;
int x,y;
unsigned *source, *dest;
W_ReadLump (W_GetNumForName ("STBAR"), sbar); /* background */
if (netgame != gt_deathmatch)
return;
frag = W_CacheLumpName ("STBARNET",PU_STATIC);
dest = (unsigned *)((byte *)sbar->data + 240);
source = (unsigned *)frag->data;
for (y=0 ; y< 40 ; y++)
{
for (x=0 ; x<20 ; x++)
dest[x] = source[x];
source += 20;
dest += 80;
}
Z_Free (frag);
}
boolean I_RefreshCompleted (void)
{
return gpufinished;
}
boolean I_RefreshLatched (void)
{
return phasetime[3] != 0;
}
/*
====================
=
= I_WadBase
=
= Return a pointer to the wadfile. In a cart environment this will
= just be a pointer to rom. In a simulator, load the file from disk.
====================
*/
byte *I_WadBase (void)
{
return (byte *)0x840000;
}
/*
====================
=
= I_ZoneBase
=
= Return the location and size of the heap for dynamic memory allocation
====================
*/
#define STARTHEAP 0x80000
#define ENDHEAP 0x1c8000
byte *I_ZoneBase (int *size)
{
*size = ENDHEAP-STARTHEAP; /* leave 64k for stack */
return (byte *)STARTHEAP;
}
/*
====================
=
= I_ReadControls
=
====================
*/
#define TICSCALE 2
int I_ReadControls (void)
{
static int oldticcount;
int stoptic, i, cumulative;
stoptic = ticcount;
if (stoptic - oldticcount > ticrate)
oldticcount = stoptic - ticrate;
if (oldticcount >= stoptic)
oldticcount = stoptic - 1;
cumulative = 0;
for (i=oldticcount ; i<stoptic ; i++)
{
cumulative |= joypad[i&31];
}
oldticcount = stoptic;
return cumulative;
/* return joystick1; */
}
int I_GetTime (void)
{
return ticcount;
}
/*
==============================================================================
MATH CODE
==============================================================================
*/
int __mulsi3 (int a, int b)
{
int sign;
unsigned short a1,a2,b1,b2;
unsigned c;
sign = a^b;
if (a&0x80000000)
a = -a;
if (b&0x80000000)
b = -b;
a1 = a&0xffff;
a2 = a>>16;
b1 = b&0xffff;
b2 = b>>16;
c = a1*b1;
c += (a2*b1)<<16;
c += (b2*a1)<<16;
if (sign < 0)
c = -c;
return c;
}
unsigned __udivsi3 (unsigned aa, unsigned bb)
{
unsigned bit;
unsigned c;
if ( (aa>>30) >= bb)
return 0x7fffffff;
bit = 1;
while (aa > bb && bb < 0x80000000)
{
bb <<= 1;
bit <<= 1;
}
c = 0;
do
{
if (aa >= bb)
{
aa -=bb;
c |= bit;
}
bb >>=1;
bit >>= 1;
} while (bit && aa);
return c;
}
int __divsi3 (int a, int b)
{
unsigned aa,bb,c;
int sign;
sign = a^b;
if (a<0)
aa = -a;
else
aa = a;
if (b<0)
bb = -b;
else
bb = b;
c = __udivsi3 (aa,bb);
if (sign < 0)
c = -(int)c;
return c;
}
unsigned __umodsi3 (unsigned aa, unsigned bb)
{
unsigned div;
div = aa/bb;
return aa - (div*bb);
}
unsigned __modsi3 (unsigned aa, unsigned bb)
{
return __umodsi3 (aa,bb);
}
#if 1
/*
================
=
= FixedMul
=
= Perform a signed 16.16 by 16.16 mutliply
================
*/
fixed_t FixedMul (fixed_t a, fixed_t b)
{
/* this code is very slow, but exactly simulates the proper assembly */
/* operation that C doesn't let you represent well */
int sign;
unsigned a1,a2,b1,b2;
unsigned c;
sign = a^b;
if (a<0)
a = -a;
if (b<0)
b = -b;
a1 = a&0xffff;
a2 = (unsigned)a>>16;
b1 = b&0xffff;
b2 = (unsigned)b>>16;
c = (a1*b1) >> 16;
c += a2*b1;
c += b2*a1;
c += (b2*a2)<<16;
if (sign < 0)
c = -c;
return c;
}
/*
================
=
= FixedDiv
=
= Perform a signed 16.16 by 16.16 divide (a/b)
================
*/
fixed_t FixedDiv (fixed_t a, fixed_t b)
{
/* this code is VERY slow, but exactly simulates the proper assembly */
/* operation that C doesn't let you represent well */
unsigned aa,bb,c;
unsigned bit;
int sign;
sign = a^b;
if (a<0)
aa = -a;
else
aa = a;
if (b<0)
bb = -b;
else
bb = b;
if ( (aa>>14) >= bb)
return sign<0 ? MININT : MAXINT;
bit = 0x10000;
while (aa > bb)
{
bb <<= 1;
bit <<= 1;
}
c = 0;
do
{
if (aa >= bb)
{
aa -=bb;
c |= bit;
}
aa <<=1;
bit >>= 1;
} while (bit && aa);
if (sign < 0)
c = -c;
return c;
}
#endif
/*
==============================================================================
TEXTURE MAPPING CODE
==============================================================================
*/
byte *framebuffer_p;
/*
==================
=
= I_DrawColumn
=
= Source is the top of the column to scale
=
==================
*/
void I_DrawColumn (int dc_x, int dc_yl, int dc_yh, int light, fixed_t frac, fixed_t fracstep, inpixel_t *dc_source)
{
int count;
pixel_t *dest;
count = dc_yh - dc_yl;
if (count < 0)
return;
#ifdef RANGECHECK
if ((unsigned)dc_x >= SCREENWIDTH || dc_yl < 0 || dc_yh >= SCREENHEIGHT)
I_Error ("R_DrawColumn: %i to %i at %i", dc_yl, dc_yh, dc_x);
#endif
dest = (pixel_t *)(framebuffer_p + dc_yl*320 + dc_x*2);
do
{
*dest = dc_source[(frac>>FRACBITS)&127];
dest += SCREENWIDTH;
frac += fracstep;
} while (count--);
}
/*
================
=
= I_DrawSpan
=
================
*/
void I_DrawSpan (int ds_y, int ds_x1, int ds_x2, int light, fixed_t ds_xfrac, fixed_t ds_yfrac, fixed_t ds_xstep, fixed_t ds_ystep, inpixel_t *ds_source)
{
fixed_t xfrac, yfrac;
pixel_t *dest;
int count, spot;
#ifdef RANGECHECK
if (ds_x2 < ds_x1 || ds_x1<0 || ds_x2>=SCREENWIDTH
|| (unsigned)ds_y>SCREENHEIGHT)
I_Error ("R_DrawSpan: %i to %i at %i",ds_x1,ds_x2,ds_y);
#endif
xfrac = ds_xfrac;
yfrac = ds_yfrac;
dest = (pixel_t *)(framebuffer_p + ds_y*320 + ds_x1*2);
count = ds_x2 - ds_x1;
do
{
spot = ((yfrac>>(16-6))&(63*64)) + ((xfrac>>16)&63);
*dest++ = ds_source[spot];
xfrac += ds_xstep;
yfrac += ds_ystep;
} while (count--);
}
/*=========================================================================== */
/*
====================
=
= I_Update
=
= Display the current framebuffer
= If < 1/15th second has passed since the last display, busy wait.
= 15 fps is the maximum frame rate, and any faster displays will
= only look ragged.
=
= When displaying the automap, use full resolution, otherwise use
= wide pixels
====================
*/
#define GPULINE (BASEORGY+SCREENHEIGHT+1)
int lastticcount;
int lasttics;
extern pixel_t shadepixel;
void I_Update (void)
{
int *worklist_p; /* list currently being built */
unsigned link;
unsigned pwidth;
unsigned temp;
int delta;
/* */
/* set up new list */
/* */
workingscreen = screens[workpage];
worklist_p = listbuffers[worklist];
workpage ^= 1;
worklist ^= 1;
/* make working visible now */
delta = (byte *)worklist_p - (byte *)listbuffer;
/* */
/* stupid branch objects */
/* */
link = (int)stopobj>>3;
worklist_p[0] = link>>8;
worklist_p[1] = (link<<24) + 0x00008fdb; /* first branch object */
worklist_p[2] = link>>8;
worklist_p[3] = (link<<24) + 0x000040cb; /* second branch object */
/* */
/* branch < gpuline */
/* */
link = (int)( (byte *)&worklist_p[12] - delta)>>3;
worklist_p[4] =
(link>>8); /* link */
worklist_p[5] =
(link<<24) /* link */
+ (1<<14) /* branch ypos > VC */
+ (224<<14) /* height */
+ (GPULINE<<4) /* ypos */
+ 3; /* branch type */
/* */
/* branch > gpuline */
/* */
worklist_p[6] =
(link>>8); /* link */
worklist_p[7] =
(link<<24) /* link */
+ (2<<14) /* branch ypos < VC */
+ (224<<14) /* height */
+ (GPULINE<<4) /* ypos */
+ 3; /* branch type */
/* */
/* gpu object */
/* */
worklist_p[8] = 0;
worklist_p[9] =
((GPULINE)<<4) /* ypos */
+ 2; /* gpu type */
/* */
/* nop branch */
/* */
link = (int)stopobj>>3;
worklist_p[10] = link>>8;
worklist_p[11] = (link<<24) + 0x00008fdb; /* first branch object */
/* */
/* background object */
/* */
/* skip the color add object if it doesn't do anything */
if (shadepixel)
link = (int)( (byte *)&worklist_p[16] - delta)>>3;
else
link = (int)( (byte *)&worklist_p[20] - delta)>>3;
pwidth = SCREENWIDTH/4;
worklist_p[12] =
((int)workingscreen<<8) /* data pointer */
+ (link>>8); /* link */
worklist_p[13] =
(link<<24) /* link */
+ (SCREENHEIGHT<<14) /* height */
+ (BASEORGY<<4) /* ypos */
+ 0; /* bitmap type */
worklist_p[14] =
(0<<(49-32)) /* firstpix */
+ (0<<(48-32)) /* release */
+ (0<<(47-32)) /* transparent */
+ (0<<(46-32)) /* add to buffer */
+ (0<<(45-32)) /* reflect */
+ (0<<(38-32)) /* color index */
+ ((pwidth)>>4); /* iwidth */
temp =
((pwidth)<<28) /* iwidth */
+ ((pwidth)<<18) /* dwidth */
+ (1<<15) /* pitch */
+ (4<<12) /* depth */
+ BASEORGX; /* xpos */
worklist_p[15] = temp;
/* */
/* color add object */
/* */
link = (int)( (byte *)&worklist_p[20] - delta)>>3;
worklist_p[16] =
((int)screenshade<<8) /* data pointer */
+ (link>>8); /* link */
worklist_p[17] =
(link<<24) /* link */
+ (180<<14) /* height */
+ ((BASEORGY)<<4) /* ypos */
+ 0; /* bitmap type */
worklist_p[18] =
(0<<(49-32)) /* firstpix */
+ (0<<(48-32)) /* release */
+ (0<<(47-32)) /* transparent */
+ (1<<(46-32)) /* add to buffer */
+ (0<<(45-32)) /* reflect */
+ (0<<(38-32)) /* color index */
+ (40>>4); /* iwidth */
worklist_p[19] =
(40<<28) /* iwidth */
+ (0<<18) /* dwidth */
+ (0<<15) /* pitch */
+ (4<<12) /* depth */
+ BASEORGX; /* xpos */
/* */
/* status bar background */
/* */
link = (int)( (byte *)&worklist_p[24] - delta)>>3;
pwidth = 320/8;
worklist_p[20] =
((int)sbar->data<<8) /* data pointer */
+ (link>>8); /* link */
worklist_p[21] =
(link<<24) /* link */
+ (sbar->height<<14) /* height */
+ ((BASEORGY+SCREENHEIGHT+1)<<4) /* ypos */
+ 0; /* bitmap type */
worklist_p[22] =
(0<<(49-32)) /* firstpix */
+ (0<<(48-32)) /* release */
+ (0<<(47-32)) /* transparent */
+ (0<<(46-32)) /* add to buffer */
+ (0<<(45-32)) /* reflect */
+ (0<<(38-32)) /* color index */
+ ((pwidth)>>4); /* iwidth */
worklist_p[23] =
((pwidth)<<28) /* iwidth */
+ ((pwidth)<<18) /* dwidth */
+ (1<<15) /* pitch */
+ (3<<12) /* depth */
+ BASEORGX*2; /* xpos */
/* */
/* status bar foreground */
/* */
/* skip debug screen if not active */
if (debugscreenactive)
link = (int)( (byte *)&worklist_p[28] - delta)>>3;
else
link = (int)stopobj>>3;
worklist_p[24] =
((int)sbartop<<8) /* data pointer */
+ (link>>8); /* link */
worklist_p[25] =
(link<<24) /* link */
+ (sbar->height<<14) /* height */
+ ((BASEORGY+SCREENHEIGHT+1)<<4) /* ypos */
+ 0; /* bitmap type */
worklist_p[26] =
(0<<(49-32)) /* firstpix */
+ (0<<(48-32)) /* release */
+ (1<<(47-32)) /* transparent */
+ (0<<(46-32)) /* add to buffer */
+ (0<<(45-32)) /* reflect */
+ (0<<(38-32)) /* color index */
+ ((pwidth)>>4); /* iwidth */
worklist_p[27] =
((pwidth)<<28) /* iwidth */
+ ((pwidth)<<18) /* dwidth */
+ (1<<15) /* pitch */
+ (3<<12) /* depth */
+ BASEORGX*2; /* xpos */
/* */
/* debug screen object */
/* */
link = (int)stopobj>>3;
pwidth = 256/64;
worklist_p[28] =
((int)debugscreen<<8) /* data pointer */
+ (link>>8); /* link */
worklist_p[29] =
(link<<24) /* link */
+ (216<<14) /* height */
+ ((BASEORGY)<<4) /* ypos */
+ 0; /* bitmap type */
worklist_p[30] =
(0<<(49-32)) /* firstpix */
+ (0<<(48-32)) /* release */
+ (1<<(47-32)) /* transparent */
+ (0<<(46-32)) /* add to buffer */
+ (0<<(45-32)) /* reflect */
+ (0x70<<(38-32)) /* color index */
+ (pwidth>>4); /* iwidth */
worklist_p[31] =
(pwidth<<28) /* iwidth */
+ (pwidth<<18) /* dwidth */
+ (1<<15) /* pitch */
+ (0<<12) /* depth */
+ BASEORGX; /* xpos */
/* */
/* wait until on the third tic after last display */