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fceugx/source/ngc/gcvideo.c

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/****************************************************************************
* FCE Ultra 0.98.12
* Nintendo Wii/Gamecube Port
*
* Tantric September 2008
*
* gcvideo.c
*
* Video rendering
****************************************************************************/
#include <gccore.h>
#include <unistd.h>
#include <ogcsys.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wiiuse/wpad.h>
#include "driver.h"
#include "gcvideo.h"
#include "fceuconfig.h"
#include "menudraw.h"
#include "images/nesback.h"
extern unsigned int SMBTimer;
int FDSTimer = 0;
int FDSSwitchRequested;
/*** External 2D Video ***/
/*** 2D Video Globals ***/
GXRModeObj *vmode; // Graphics Mode Object
unsigned int *xfb[2]; // Framebuffers
int whichfb = 0; // Frame buffer toggle
int screenheight;
bool progressive = FALSE;
/*** 3D GX ***/
#define TEX_WIDTH 256
#define TEX_HEIGHT 240
#define DEFAULT_FIFO_SIZE ( 256 * 1024 )
static u8 gp_fifo[DEFAULT_FIFO_SIZE] ATTRIBUTE_ALIGN(32);
static u32 copynow = GX_FALSE;
static GXTexObj texobj;
static Mtx view;
/*** Texture memory ***/
static unsigned char texturemem[TEX_WIDTH * TEX_HEIGHT * 2] ATTRIBUTE_ALIGN (32);
static int updateScaling = 1;
static int vmode_60hz = 0;
#define HASPECT 256
#define VASPECT 240
// Need something to hold the PC palette
struct pcpal {
unsigned char r;
unsigned char g;
unsigned char b;
} pcpalette[256];
unsigned int gcpalette[256]; // Much simpler GC palette
unsigned short rgb565[256]; // Texture map palette
long long prev;
long long now;
long long gettime();
u32 diff_usec(long long start,long long end);
/* New texture based scaler */
typedef struct tagcamera
{
Vector pos;
Vector up;
Vector view;
}
camera;
/*** Square Matrix
This structure controls the size of the image on the screen.
Think of the output as a -80 x 80 by -60 x 60 graph.
***/
s16 square[] ATTRIBUTE_ALIGN (32) =
{
/*
* X, Y, Z
* Values set are for roughly 4:3 aspect
*/
-HASPECT, VASPECT, 0, // 0
HASPECT, VASPECT, 0, // 1
HASPECT, -VASPECT, 0, // 2
-HASPECT, -VASPECT, 0, // 3
};
static camera cam = { {0.0F, 0.0F, 0.0F},
{0.0F, 0.5F, 0.0F},
{0.0F, 0.0F, -0.5F}
};
/***
*** Custom Video modes (used to emulate original console video modes)
***/
/** Original NES PAL Resolutions: **/
/* 240 lines progressive (PAL 50Hz) */
GXRModeObj PAL_240p =
{
VI_TVMODE_PAL_DS, // viDisplayMode
640, // fbWidth
240, // efbHeight
240, // xfbHeight
(VI_MAX_WIDTH_PAL - 640)/2, // viXOrigin
(VI_MAX_HEIGHT_PAL - 480)/2, // viYOrigin
640, // viWidth
480, // viHeight
VI_XFBMODE_SF, // xFBmode
GX_FALSE, // field_rendering
GX_FALSE, // aa
// sample points arranged in increasing Y order
{
{6,6},{6,6},{6,6}, // pix 0, 3 sample points, 1/12 units, 4 bits each
{6,6},{6,6},{6,6}, // pix 1
{6,6},{6,6},{6,6}, // pix 2
{6,6},{6,6},{6,6} // pix 3
},
// vertical filter[7], 1/64 units, 6 bits each
{
0, // line n-1
0, // line n-1
21, // line n
22, // line n
21, // line n
0, // line n+1
0 // line n+1
}
};
/** Original NES NTSC Resolutions: **/
/* 240 lines progressive (NTSC or PAL 60Hz) */
GXRModeObj NTSC_240p =
{
VI_TVMODE_EURGB60_DS, // viDisplayMode
640, // fbWidth
240, // efbHeight
240, // xfbHeight
(VI_MAX_WIDTH_NTSC - 640)/2, // viXOrigin
(VI_MAX_HEIGHT_NTSC - 480)/2, // viYOrigin
640, // viWidth
480, // viHeight
VI_XFBMODE_SF, // xFBmode
GX_FALSE, // field_rendering
GX_FALSE, // aa
// sample points arranged in increasing Y order
{
{6,6},{6,6},{6,6}, // pix 0, 3 sample points, 1/12 units, 4 bits each
{6,6},{6,6},{6,6}, // pix 1
{6,6},{6,6},{6,6}, // pix 2
{6,6},{6,6},{6,6} // pix 3
},
// vertical filter[7], 1/64 units, 6 bits each
{
0, // line n-1
0, // line n-1
21, // line n
22, // line n
21, // line n
0, // line n+1
0 // line n+1
}
};
/* TV Modes table */
GXRModeObj *tvmodes[2] = {
&NTSC_240p, &PAL_240p
};
/****************************************************************************
* setFrameTimer()
* change frame timings depending on whether ROM is NTSC or PAL
***************************************************************************/
int normaldiff;
void setFrameTimer()
{
if (GCSettings.timing == 1) // PAL
normaldiff = 20000; // 50hz
else
normaldiff = 16667; // 60hz
prev = gettime();
}
void SyncSpeed()
{
now = gettime();
while (diff_usec(prev, now) < normaldiff) now = gettime();
prev = now;
}
/****************************************************************************
* VideoThreading
***************************************************************************/
#define TSTACK 16384
lwpq_t videoblankqueue;
lwp_t vbthread;
static unsigned char vbstack[TSTACK];
/****************************************************************************
* vbgetback
*
* This callback enables the emulator to keep running while waiting for a
* vertical blank.
*
* Putting LWP to good use :)
***************************************************************************/
static void *
vbgetback (void *arg)
{
while (1)
{
/*if(GCSettings.timing != vmode_60hz)
VIDEO_WaitVSync();
else*/
SyncSpeed();
LWP_SuspendThread (vbthread);
}
return NULL;
}
/****************************************************************************
* InitVideoThread
*
* libOGC provides a nice wrapper for LWP access.
* This function sets up a new local queue and attaches the thread to it.
***************************************************************************/
void
InitVideoThread ()
{
/*** Initialise a new queue ***/
LWP_InitQueue (&videoblankqueue);
/*** Create the thread on this queue ***/
LWP_CreateThread (&vbthread, vbgetback, NULL, vbstack, TSTACK, 80);
}
/****************************************************************************
* copy_to_xfb
*
* Stock code to copy the GX buffer to the current display mode.
* Also increments the frameticker, as it's called for each vb.
***************************************************************************/
static void
copy_to_xfb (u32 arg)
{
if (copynow == GX_TRUE)
{
GX_CopyDisp (xfb[whichfb], GX_TRUE);
GX_Flush ();
copynow = GX_FALSE;
}
SMBTimer++;
// FDS switch disk requested - need to eject, select, and insert
// but not all at once!
if(FDSSwitchRequested)
{
switch(FDSSwitchRequested)
{
case 1:
FCEUI_FDSEject(); // eject disk
FDSSwitchRequested++;
break;
case 2:
if(FDSTimer > 60)
{
FCEUI_FDSSelect(); // select other side
FCEUI_FDSInsert(0); // insert disk
FDSSwitchRequested = 0;
FDSTimer = 0;
}
break;
}
FDSTimer++;
}
}
/****************************************************************************
* Scaler Support Functions
***************************************************************************/
static void
draw_init ()
{
GX_ClearVtxDesc ();
GX_SetVtxDesc (GX_VA_POS, GX_INDEX8);
GX_SetVtxDesc (GX_VA_CLR0, GX_INDEX8);
GX_SetVtxDesc (GX_VA_TEX0, GX_DIRECT);
GX_SetVtxAttrFmt (GX_VTXFMT0, GX_VA_POS, GX_POS_XYZ, GX_S16, 0);
GX_SetVtxAttrFmt (GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
GX_SetVtxAttrFmt (GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_F32, 0);
GX_SetArray (GX_VA_POS, square, 3 * sizeof (s16));
GX_SetNumTexGens (1);
GX_SetNumChans (0);
GX_SetTexCoordGen (GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY);
GX_SetTevOp (GX_TEVSTAGE0, GX_REPLACE);
GX_SetTevOrder (GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLORNULL);
memset (&view, 0, sizeof (Mtx));
guLookAt(view, &cam.pos, &cam.up, &cam.view);
GX_LoadPosMtxImm (view, GX_PNMTX0);
}
static void
draw_vert (u8 pos, u8 c, f32 s, f32 t)
{
GX_Position1x8 (pos);
GX_Color1x8 (c);
GX_TexCoord2f32 (s, t);
}
static void
draw_square (Mtx v)
{
Mtx m; // model matrix.
Mtx mv; // modelview matrix.
guMtxIdentity (m);
guMtxTransApply (m, m, 0, 0, -100);
guMtxConcat (v, m, mv);
GX_LoadPosMtxImm (mv, GX_PNMTX0);
GX_Begin (GX_QUADS, GX_VTXFMT0, 4);
draw_vert (0, 0, 0.0, 0.0);
draw_vert (1, 0, 1.0, 0.0);
draw_vert (2, 0, 1.0, 1.0);
draw_vert (3, 0, 0.0, 1.0);
GX_End ();
}
/****************************************************************************
* StartGX
*
* This function initialises the GX.
***************************************************************************/
static void
StartGX ()
{
Mtx p;
GXColor background = { 0, 0, 0, 0xff };
/*** Clear out FIFO area ***/
memset (&gp_fifo, 0, DEFAULT_FIFO_SIZE);
/*** Initialise GX ***/
GX_Init (&gp_fifo, DEFAULT_FIFO_SIZE);
GX_SetCopyClear (background, 0x00ffffff);
GX_SetViewport (0, 0, vmode->fbWidth, vmode->efbHeight, 0, 1);
GX_SetDispCopyYScale ((f32) vmode->xfbHeight / (f32) vmode->efbHeight);
GX_SetScissor (0, 0, vmode->fbWidth, vmode->efbHeight);
GX_SetDispCopySrc (0, 0, vmode->fbWidth, vmode->efbHeight);
GX_SetDispCopyDst (vmode->fbWidth, vmode->xfbHeight);
GX_SetCopyFilter (vmode->aa, vmode->sample_pattern, GX_TRUE, vmode->vfilter);
GX_SetFieldMode (vmode->field_rendering, ((vmode->viHeight == 2 * vmode->xfbHeight) ? GX_ENABLE : GX_DISABLE));
GX_SetPixelFmt (GX_PF_RGB8_Z24, GX_ZC_LINEAR);
GX_SetCullMode (GX_CULL_NONE);
GX_SetDispCopyGamma (GX_GM_1_0);
GX_SetZMode (GX_TRUE, GX_LEQUAL, GX_TRUE);
GX_SetColorUpdate (GX_TRUE);
guOrtho(p, vmode->efbHeight/2, -(vmode->efbHeight/2), -(vmode->fbWidth/2), vmode->fbWidth/2, 10, 1000); // matrix, t, b, l, r, n, f
GX_LoadProjectionMtx (p, GX_ORTHOGRAPHIC);
GX_CopyDisp (xfb[whichfb], GX_TRUE); // reset xfb
}
/****************************************************************************
* UpdatePadsCB
*
* called by postRetraceCallback in InitGCVideo - scans gcpad and wpad
***************************************************************************/
void
UpdatePadsCB ()
{
#ifdef HW_RVL
WPAD_ScanPads();
#endif
PAD_ScanPads();
}
/****************************************************************************
* InitGCVideo
*
* This function MUST be called at startup.
* - also sets up menu video mode
***************************************************************************/
void
InitGCVideo ()
{
// init video
VIDEO_Init ();
// get default video mode
vmode = VIDEO_GetPreferredMode(NULL);
switch (vmode->viTVMode >> 2)
{
case VI_PAL:
// 576 lines (PAL 50Hz)
// display should be centered vertically (borders)
vmode = &TVPal574IntDfScale;
vmode->xfbHeight = 480;
vmode->viYOrigin = (VI_MAX_HEIGHT_PAL - 480)/2;
vmode->viHeight = 480;
vmode_60hz = 0;
break;
case VI_NTSC:
// 480 lines (NTSC 60hz)
vmode_60hz = 1;
break;
default:
// 480 lines (PAL 60Hz)
vmode_60hz = 1;
break;
}
#ifdef HW_DOL
/* we have component cables, but the preferred mode is interlaced
* why don't we switch into progressive?
* on the Wii, the user can do this themselves on their Wii Settings */
if(VIDEO_HaveComponentCable() && vmode == &TVNtsc480IntDf)
vmode = &TVNtsc480Prog;
#endif
// check for progressive scan
if (vmode->viTVMode == VI_TVMODE_NTSC_PROG)
progressive = true;
VIDEO_Configure (vmode);
screenheight = vmode->xfbHeight;
// Allocate the video buffers
xfb[0] = (u32 *) MEM_K0_TO_K1 (SYS_AllocateFramebuffer (vmode));
xfb[1] = (u32 *) MEM_K0_TO_K1 (SYS_AllocateFramebuffer (vmode));
// A console is always useful while debugging.
console_init (xfb[0], 20, 64, vmode->fbWidth, vmode->xfbHeight, vmode->fbWidth * 2);
// Clear framebuffers etc.
VIDEO_ClearFrameBuffer (vmode, xfb[0], COLOR_BLACK);
VIDEO_ClearFrameBuffer (vmode, xfb[1], COLOR_BLACK);
VIDEO_SetNextFramebuffer (xfb[0]);
// video callbacks
VIDEO_SetPostRetraceCallback ((VIRetraceCallback)UpdatePadsCB);
VIDEO_SetPreRetraceCallback ((VIRetraceCallback)copy_to_xfb);
VIDEO_SetBlack (FALSE);
VIDEO_Flush ();
VIDEO_WaitVSync ();
if (vmode->viTVMode & VI_NON_INTERLACE)
VIDEO_WaitVSync ();
copynow = GX_FALSE;
StartGX ();
draw_init ();
InitVideoThread ();
// Finally, the video is up and ready for use :)
}
/****************************************************************************
* ResetVideo_Emu
*
* Reset the video/rendering mode for the emulator rendering
****************************************************************************/
void
ResetVideo_Emu ()
{
GXRModeObj *rmode;
Mtx p;
switch (vmode->viTVMode >> 2)
{
case VI_PAL: /* 576 lines (PAL 50Hz) */
// set video signal mode (50Hz only)
NTSC_240p.viTVMode = VI_TVMODE_PAL_DS;
NTSC_240p.viYOrigin = (VI_MAX_HEIGHT_PAL - 480)/2;
break;
case VI_NTSC: /* 480 lines (NTSC 60hz) */
// set video signal mode (60Hz only)
PAL_240p.viTVMode = VI_TVMODE_NTSC_DS;
PAL_240p.viYOrigin = (VI_MAX_HEIGHT_NTSC - 480)/2;
NTSC_240p.viTVMode = VI_TVMODE_NTSC_DS;
break;
default: /* 480 lines (PAL 60Hz) */
// set video signal mode (supports both 50/60Hz but we use 60hz for both PAL & NTSC settings)
PAL_240p.viTVMode = VI_TVMODE(vmode->viTVMode >> 2, VI_NON_INTERLACE);
PAL_240p.viYOrigin = (VI_MAX_HEIGHT_NTSC - 480)/2;
NTSC_240p.viTVMode = VI_TVMODE(vmode->viTVMode >> 2, VI_NON_INTERLACE);
break;
}
if (GCSettings.render == 0) // original render mode
{
rmode = tvmodes[GCSettings.timing];
}
else if (GCSettings.render == 2) // unfiltered
{
rmode = vmode;
}
else // filtered
{
rmode = vmode; // same mode as menu
}
VIDEO_Configure (rmode);
VIDEO_ClearFrameBuffer (rmode, xfb[whichfb], COLOR_BLACK);
VIDEO_Flush();
VIDEO_WaitVSync();
if (rmode->viTVMode & VI_NON_INTERLACE) VIDEO_WaitVSync();
else while (VIDEO_GetNextField()) VIDEO_WaitVSync();
GX_SetViewport (0, 0, rmode->fbWidth, rmode->efbHeight, 0, 1);
GX_SetDispCopyYScale ((f32) rmode->xfbHeight / (f32) rmode->efbHeight);
GX_SetScissor (0, 0, rmode->fbWidth, rmode->efbHeight);
GX_SetDispCopySrc (0, 0, rmode->fbWidth, rmode->efbHeight);
GX_SetDispCopyDst (rmode->fbWidth, rmode->xfbHeight);
GX_SetCopyFilter (rmode->aa, rmode->sample_pattern, (GCSettings.render == 1) ? GX_TRUE : GX_FALSE, rmode->vfilter); // Deflickering Filter only for filtered mode
GX_SetFieldMode (rmode->field_rendering, ((rmode->viHeight == 2 * rmode->xfbHeight) ? GX_ENABLE : GX_DISABLE));
GX_SetPixelFmt (GX_PF_RGB8_Z24, GX_ZC_LINEAR);
guOrtho(p, rmode->efbHeight/2, -(rmode->efbHeight/2), -(rmode->fbWidth/2), rmode->fbWidth/2, 10, 1000); // matrix, t, b, l, r, n, f
GX_LoadProjectionMtx (p, GX_ORTHOGRAPHIC);
updateScaling = 5;
}
/****************************************************************************
* ResetVideo_Menu
*
* Reset the video/rendering mode for the menu
****************************************************************************/
void
ResetVideo_Menu ()
{
Mtx p;
VIDEO_Configure (vmode);
VIDEO_ClearFrameBuffer (vmode, xfb[whichfb], COLOR_BLACK);
VIDEO_Flush();
VIDEO_WaitVSync();
if (vmode->viTVMode & VI_NON_INTERLACE) VIDEO_WaitVSync();
else while (VIDEO_GetNextField()) VIDEO_WaitVSync();
GX_SetViewport (0, 0, vmode->fbWidth, vmode->efbHeight, 0, 1);
GX_SetDispCopyYScale ((f32) vmode->xfbHeight / (f32) vmode->efbHeight);
GX_SetScissor (0, 0, vmode->fbWidth, vmode->efbHeight);
GX_SetDispCopySrc (0, 0, vmode->fbWidth, vmode->efbHeight);
GX_SetDispCopyDst (vmode->fbWidth, vmode->xfbHeight);
GX_SetCopyFilter (vmode->aa, vmode->sample_pattern, GX_TRUE, vmode->vfilter);
GX_SetFieldMode (vmode->field_rendering, ((vmode->viHeight == 2 * vmode->xfbHeight) ? GX_ENABLE : GX_DISABLE));
GX_SetPixelFmt (GX_PF_RGB8_Z24, GX_ZC_LINEAR);
guOrtho(p, vmode->efbHeight/2, -(vmode->efbHeight/2), -(vmode->fbWidth/2), vmode->fbWidth/2, 10, 1000); // matrix, t, b, l, r, n, f
GX_LoadProjectionMtx (p, GX_ORTHOGRAPHIC);
}
void UpdateScaling()
{
int xscale, yscale;
/** Update scaling **/
if (GCSettings.render == 0) // original render mode
{
xscale = 640 / 2; /* use GX scaler instead VI (less artifacts) */
yscale = 240 / 2;
}
else // unfiltered and filtered mode
{
xscale = vmode->fbWidth / 2;
yscale = vmode->efbHeight / 2;
}
// aspect ratio scaling (change width scale)
// yes its pretty cheap and ugly, but its easy!
if (GCSettings.widescreen)
xscale = (3*xscale)/4;
xscale *= GCSettings.ZoomLevel;
yscale *= GCSettings.ZoomLevel;
square[0] = square[9] = (-xscale);
square[3] = square[6] = (xscale);
square[1] = square[4] = (yscale);
square[7] = square[10] = (-yscale);
GX_InvVtxCache (); // update vertex cache
GX_InitTexObj (&texobj, texturemem, TEX_WIDTH, TEX_HEIGHT, GX_TF_RGB565, GX_CLAMP, GX_CLAMP, GX_FALSE); // initialize the texture obj we are going to use
if (!(GCSettings.render&1))
GX_InitTexObjLOD(&texobj,GX_NEAR,GX_NEAR_MIP_NEAR,2.5,9.0,0.0,GX_FALSE,GX_FALSE,GX_ANISO_1); // original/unfiltered video mode: force texture filtering OFF
GX_LoadTexObj (&texobj, GX_TEXMAP0); // load texture object so its ready to use
updateScaling--;
}
/****************************************************************************
* RenderFrame
*
* Render a single frame
****************************************************************************/
void RenderFrame(unsigned char *XBuf)
{
// Ensure previous vb has complete
while ((LWP_ThreadIsSuspended (vbthread) == 0) || (copynow == GX_TRUE))
usleep (50);
whichfb ^= 1;
if(updateScaling)
UpdateScaling();
int width, height;
u16 *texture = (unsigned short *)texturemem;
u8 *src1 = XBuf;
u8 *src2,*src3,*src4;
// Now draw the texture
for (height = 0; height < 240; height += 4)
{
src1 += 768; /* line 4*N */
src2 = src1 + 256; /* line 4*(N+1) */
src3 = src2 + 256; /* line 4*(N+2) */
src4 = src3 + 256; /* line 4*(N+3) */
for (width = 0; width < 256; width += 4)
{
// Row one
*texture++ = rgb565[*src1++];
*texture++ = rgb565[*src1++];
*texture++ = rgb565[*src1++];
*texture++ = rgb565[*src1++];
// Row two
*texture++ = rgb565[*src2++];
*texture++ = rgb565[*src2++];
*texture++ = rgb565[*src2++];
*texture++ = rgb565[*src2++];
// Row three
*texture++ = rgb565[*src3++];
*texture++ = rgb565[*src3++];
*texture++ = rgb565[*src3++];
*texture++ = rgb565[*src3++];
// Row four
*texture++ = rgb565[*src4++];
*texture++ = rgb565[*src4++];
*texture++ = rgb565[*src4++];
*texture++ = rgb565[*src4++];
}
}
DCFlushRange(texturemem, TEX_WIDTH * TEX_HEIGHT * 2);
/* setup GX */
GX_InvalidateTexAll();
draw_square(view);
GX_DrawDone();
VIDEO_SetNextFramebuffer(xfb[whichfb]);
VIDEO_Flush();
copynow = GX_TRUE;
// Return to caller, don't waste time waiting for vb
LWP_ResumeThread (vbthread);
}
/****************************************************************************
* Zoom Functions
***************************************************************************/
void
zoom (float speed)
{
if (GCSettings.ZoomLevel > 1)
GCSettings.ZoomLevel += (speed / -100.0);
else
GCSettings.ZoomLevel += (speed / -200.0);
if (GCSettings.ZoomLevel < 0.5)
GCSettings.ZoomLevel = 0.5;
else if (GCSettings.ZoomLevel > 2.0)
GCSettings.ZoomLevel = 2.0;
updateScaling = 5; // update video
}
void
zoom_reset ()
{
GCSettings.ZoomLevel = 1.0;
updateScaling = 5; // update video
}
void
clearscreen ()
{
int colour = COLOR_BLACK;
whichfb ^= 1;
VIDEO_ClearFrameBuffer (vmode, xfb[whichfb], colour);
memcpy (xfb[whichfb], &bg, 1280 * 480);
}
void
showscreen ()
{
copynow = GX_FALSE;
VIDEO_SetNextFramebuffer (xfb[whichfb]);
VIDEO_Flush ();
VIDEO_WaitVSync ();
}
/****************************************************************************
* rgbcolor
*
* Support routine for gcpalette
****************************************************************************/
unsigned int rgbcolor(unsigned char r1, unsigned char g1, unsigned char b1,
unsigned char r2, unsigned char g2, unsigned char b2) {
int y1,cb1,cr1,y2,cb2,cr2,cb,cr;
y1=(299*r1+587*g1+114*b1)/1000;
cb1=(-16874*r1-33126*g1+50000*b1+12800000)/100000;
cr1=(50000*r1-41869*g1-8131*b1+12800000)/100000;
y2=(299*r2+587*g2+114*b2)/1000;
cb2=(-16874*r2-33126*g2+50000*b2+12800000)/100000;
cr2=(50000*r2-41869*g2-8131*b2+12800000)/100000;
cb=(cb1+cb2) >> 1;
cr=(cr1+cr2) >> 1;
return ((y1 << 24) | (cb << 16) | (y2 << 8) | cr);
}
/****************************************************************************
* SetPalette
*
* A shadow copy of the palette is maintained, in case the NES Emu kernel
* requests a copy.
****************************************************************************/
void FCEUD_SetPalette(unsigned char index, unsigned char r, unsigned char g,
unsigned char b) {
/*** Make PC compatible copy ***/
pcpalette[index].r = r;
pcpalette[index].g = g;
pcpalette[index].b = b;
/*** Generate Gamecube palette ***/
gcpalette[index] = rgbcolor(r,g,b,r,g,b);
/*** Generate RGB565 texture palette ***/
rgb565[index] = ((r & 0xf8) << 8) |
((g & 0xfc) << 3) |
((b & 0xf8) >> 3);
}
/****************************************************************************
* GetPalette
****************************************************************************/
void FCEUD_GetPalette(unsigned char i, unsigned char *r, unsigned char *g,
unsigned char *b) {
*r = pcpalette[i].r;
*g = pcpalette[i].g;
*b = pcpalette[i].b;
}
struct st_palettes palettes[] = {
/* The default NES palette must be the first entry in the array */
{ "loopy", "Loopy's NES palette",
{ 0x757575, 0x271b8f, 0x0000ab, 0x47009f,
0x8f0077, 0xab0013, 0xa70000, 0x7f0b00,
0x432f00, 0x004700, 0x005100, 0x003f17,
0x1b3f5f, 0x000000, 0x000000, 0x000000,
0xbcbcbc, 0x0073ef, 0x233bef, 0x8300f3,
0xbf00bf, 0xe7005b, 0xdb2b00, 0xcb4f0f,
0x8b7300, 0x009700, 0x00ab00, 0x00933b,
0x00838b, 0x000000, 0x000000, 0x000000,
0xffffff, 0x3fbfff, 0x5f97ff, 0xa78bfd,
0xf77bff, 0xff77b7, 0xff7763, 0xff9b3b,
0xf3bf3f, 0x83d313, 0x4fdf4b, 0x58f898,
0x00ebdb, 0x000000, 0x000000, 0x000000,
0xffffff, 0xabe7ff, 0xc7d7ff, 0xd7cbff,
0xffc7ff, 0xffc7db, 0xffbfb3, 0xffdbab,
0xffe7a3, 0xe3ffa3, 0xabf3bf, 0xb3ffcf,
0x9ffff3, 0x000000, 0x000000, 0x000000 }
},
{ "quor", "Quor's palette from Nestra 0.63",
{ 0x3f3f3f, 0x001f3f, 0x00003f, 0x1f003f,
0x3f003f, 0x3f0020, 0x3f0000, 0x3f2000,
0x3f3f00, 0x203f00, 0x003f00, 0x003f20,
0x003f3f, 0x000000, 0x000000, 0x000000,
0x7f7f7f, 0x405f7f, 0x40407f, 0x5f407f,
0x7f407f, 0x7f4060, 0x7f4040, 0x7f6040,
0x7f7f40, 0x607f40, 0x407f40, 0x407f60,
0x407f7f, 0x000000, 0x000000, 0x000000,
0xbfbfbf, 0x809fbf, 0x8080bf, 0x9f80bf,
0xbf80bf, 0xbf80a0, 0xbf8080, 0xbfa080,
0xbfbf80, 0xa0bf80, 0x80bf80, 0x80bfa0,
0x80bfbf, 0x000000, 0x000000, 0x000000,
0xffffff, 0xc0dfff, 0xc0c0ff, 0xdfc0ff,
0xffc0ff, 0xffc0e0, 0xffc0c0, 0xffe0c0,
0xffffc0, 0xe0ffc0, 0xc0ffc0, 0xc0ffe0,
0xc0ffff, 0x000000, 0x000000, 0x000000 }
},
{ "chris", "Chris Covell's NES palette",
{ 0x808080, 0x003DA6, 0x0012B0, 0x440096,
0xA1005E, 0xC70028, 0xBA0600, 0x8C1700,
0x5C2F00, 0x104500, 0x054A00, 0x00472E,
0x004166, 0x000000, 0x050505, 0x050505,
0xC7C7C7, 0x0077FF, 0x2155FF, 0x8237FA,
0xEB2FB5, 0xFF2950, 0xFF2200, 0xD63200,
0xC46200, 0x358000, 0x058F00, 0x008A55,
0x0099CC, 0x212121, 0x090909, 0x090909,
0xFFFFFF, 0x0FD7FF, 0x69A2FF, 0xD480FF,
0xFF45F3, 0xFF618B, 0xFF8833, 0xFF9C12,
0xFABC20, 0x9FE30E, 0x2BF035, 0x0CF0A4,
0x05FBFF, 0x5E5E5E, 0x0D0D0D, 0x0D0D0D,
0xFFFFFF, 0xA6FCFF, 0xB3ECFF, 0xDAABEB,
0xFFA8F9, 0xFFABB3, 0xFFD2B0, 0xFFEFA6,
0xFFF79C, 0xD7E895, 0xA6EDAF, 0xA2F2DA,
0x99FFFC, 0xDDDDDD, 0x111111, 0x111111 }
},
{ "matt", "Matthew Conte's NES palette",
{ 0x808080, 0x0000bb, 0x3700bf, 0x8400a6,
0xbb006a, 0xb7001e, 0xb30000, 0x912600,
0x7b2b00, 0x003e00, 0x00480d, 0x003c22,
0x002f66, 0x000000, 0x050505, 0x050505,
0xc8c8c8, 0x0059ff, 0x443cff, 0xb733cc,
0xff33aa, 0xff375e, 0xff371a, 0xd54b00,
0xc46200, 0x3c7b00, 0x1e8415, 0x009566,
0x0084c4, 0x111111, 0x090909, 0x090909,
0xffffff, 0x0095ff, 0x6f84ff, 0xd56fff,
0xff77cc, 0xff6f99, 0xff7b59, 0xff915f,
0xffa233, 0xa6bf00, 0x51d96a, 0x4dd5ae,
0x00d9ff, 0x666666, 0x0d0d0d, 0x0d0d0d,
0xffffff, 0x84bfff, 0xbbbbff, 0xd0bbff,
0xffbfea, 0xffbfcc, 0xffc4b7, 0xffccae,
0xffd9a2, 0xcce199, 0xaeeeb7, 0xaaf7ee,
0xb3eeff, 0xdddddd, 0x111111, 0x111111 }
},
{ "pasofami", "Palette from PasoFami/99",
{ 0x7f7f7f, 0x0000ff, 0x0000bf, 0x472bbf,
0x970087, 0xab0023, 0xab1300, 0x8b1700,
0x533000, 0x007800, 0x006b00, 0x005b00,
0x004358, 0x000000, 0x000000, 0x000000,
0xbfbfbf, 0x0078f8, 0x0058f8, 0x6b47ff,
0xdb00cd, 0xe7005b, 0xf83800, 0xe75f13,
0xaf7f00, 0x00b800, 0x00ab00, 0x00ab47,
0x008b8b, 0x000000, 0x000000, 0x000000,
0xf8f8f8, 0x3fbfff, 0x6b88ff, 0x9878f8,
0xf878f8, 0xf85898, 0xf87858, 0xffa347,
0xf8b800, 0xb8f818, 0x5bdb57, 0x58f898,
0x00ebdb, 0x787878, 0x000000, 0x000000,
0xffffff, 0xa7e7ff, 0xb8b8f8, 0xd8b8f8,
0xf8b8f8, 0xfba7c3, 0xf0d0b0, 0xffe3ab,
0xfbdb7b, 0xd8f878, 0xb8f8b8, 0xb8f8d8,
0x00ffff, 0xf8d8f8, 0x000000, 0x000000 }
},
{ "crashman", "CrashMan's NES palette",
{ 0x585858, 0x001173, 0x000062, 0x472bbf,
0x970087, 0x910009, 0x6f1100, 0x4c1008,
0x371e00, 0x002f00, 0x005500, 0x004d15,
0x002840, 0x000000, 0x000000, 0x000000,
0xa0a0a0, 0x004499, 0x2c2cc8, 0x590daa,
0xae006a, 0xb00040, 0xb83418, 0x983010,
0x704000, 0x308000, 0x207808, 0x007b33,
0x1c6888, 0x000000, 0x000000, 0x000000,
0xf8f8f8, 0x267be1, 0x5870f0, 0x9878f8,
0xff73c8, 0xf060a8, 0xd07b37, 0xe09040,
0xf8b300, 0x8cbc00, 0x40a858, 0x58f898,
0x00b7bf, 0x787878, 0x000000, 0x000000,
0xffffff, 0xa7e7ff, 0xb8b8f8, 0xd8b8f8,
0xe6a6ff, 0xf29dc4, 0xf0c0b0, 0xfce4b0,
0xe0e01e, 0xd8f878, 0xc0e890, 0x95f7c8,
0x98e0e8, 0xf8d8f8, 0x000000, 0x000000 }
},
{ "mess", "palette from the MESS NES driver",
{ 0x747474, 0x24188c, 0x0000a8, 0x44009c,
0x8c0074, 0xa80010, 0xa40000, 0x7c0800,
0x402c00, 0x004400, 0x005000, 0x003c14,
0x183c5c, 0x000000, 0x000000, 0x000000,
0xbcbcbc, 0x0070ec, 0x2038ec, 0x8000f0,
0xbc00bc, 0xe40058, 0xd82800, 0xc84c0c,
0x887000, 0x009400, 0x00a800, 0x009038,
0x008088, 0x000000, 0x000000, 0x000000,
0xfcfcfc, 0x3cbcfc, 0x5c94fc, 0x4088fc,
0xf478fc, 0xfc74b4, 0xfc7460, 0xfc9838,
0xf0bc3c, 0x80d010, 0x4cdc48, 0x58f898,
0x00e8d8, 0x000000, 0x000000, 0x000000,
0xfcfcfc, 0xa8e4fc, 0xc4d4fc, 0xd4c8fc,
0xfcc4fc, 0xfcc4d8, 0xfcbcb0, 0xfcd8a8,
0xfce4a0, 0xe0fca0, 0xa8f0bc, 0xb0fccc,
0x9cfcf0, 0x000000, 0x000000, 0x000000 }
},
{ "zaphod-cv", "Zaphod's VS Castlevania palette",
{ 0x7f7f7f, 0xffa347, 0x0000bf, 0x472bbf,
0x970087, 0xf85898, 0xab1300, 0xf8b8f8,
0xbf0000, 0x007800, 0x006b00, 0x005b00,
0xffffff, 0x9878f8, 0x000000, 0x000000,
0xbfbfbf, 0x0078f8, 0xab1300, 0x6b47ff,
0x00ae00, 0xe7005b, 0xf83800, 0x7777ff,
0xaf7f00, 0x00b800, 0x00ab00, 0x00ab47,
0x008b8b, 0x000000, 0x000000, 0x472bbf,
0xf8f8f8, 0xffe3ab, 0xf87858, 0x9878f8,
0x0078f8, 0xf85898, 0xbfbfbf, 0xffa347,
0xc800c8, 0xb8f818, 0x7f7f7f, 0x007800,
0x00ebdb, 0x000000, 0x000000, 0xffffff,
0xffffff, 0xa7e7ff, 0x5bdb57, 0xe75f13,
0x004358, 0x0000ff, 0xe7005b, 0x00b800,
0xfbdb7b, 0xd8f878, 0x8b1700, 0xffe3ab,
0x00ffff, 0xab0023, 0x000000, 0x000000 }
},
{ "zaphod-smb", "Zaphod's VS SMB palette",
{ 0x626a00, 0x0000ff, 0x006a77, 0x472bbf,
0x970087, 0xab0023, 0xab1300, 0xb74800,
0xa2a2a2, 0x007800, 0x006b00, 0x005b00,
0xffd599, 0xffff00, 0x009900, 0x000000,
0xff66ff, 0x0078f8, 0x0058f8, 0x6b47ff,
0x000000, 0xe7005b, 0xf83800, 0xe75f13,
0xaf7f00, 0x00b800, 0x5173ff, 0x00ab47,
0x008b8b, 0x000000, 0x91ff88, 0x000088,
0xf8f8f8, 0x3fbfff, 0x6b0000, 0x4855f8,
0xf878f8, 0xf85898, 0x595958, 0xff009d,
0x002f2f, 0xb8f818, 0x5bdb57, 0x58f898,
0x00ebdb, 0x787878, 0x000000, 0x000000,
0xffffff, 0xa7e7ff, 0x590400, 0xbb0000,
0xf8b8f8, 0xfba7c3, 0xffffff, 0x00e3e1,
0xfbdb7b, 0xffae00, 0xb8f8b8, 0xb8f8d8,
0x00ff00, 0xf8d8f8, 0xffaaaa, 0x004000 }
},
{ "vs-drmar", "VS Dr. Mario palette",
{ 0x5f97ff, 0x000000, 0x000000, 0x47009f,
0x00ab00, 0xffffff, 0xabe7ff, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000,
0xe7005b, 0x000000, 0x000000, 0x000000,
0x5f97ff, 0x000000, 0x000000, 0x000000,
0x000000, 0x8b7300, 0xcb4f0f, 0x000000,
0xbcbcbc, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000,
0x00ebdb, 0x000000, 0x000000, 0x000000,
0x000000, 0xff9b3b, 0x000000, 0x000000,
0x83d313, 0x000000, 0x3fbfff, 0x000000,
0x0073ef, 0x000000, 0x000000, 0x000000,
0x00ebdb, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0xf3bf3f, 0x000000,
0x005100, 0x000000, 0xc7d7ff, 0xffdbab,
0x000000, 0x000000, 0x000000, 0x000000 }
},
{ "vs-cv", "VS Castlevania palette",
{ 0xaf7f00, 0xffa347, 0x008b8b, 0x472bbf,
0x970087, 0xf85898, 0xab1300, 0xf8b8f8,
0xf83800, 0x007800, 0x006b00, 0x005b00,
0xffffff, 0x9878f8, 0x00ab00, 0x000000,
0xbfbfbf, 0x0078f8, 0xab1300, 0x6b47ff,
0x000000, 0xe7005b, 0xf83800, 0x6b88ff,
0xaf7f00, 0x00b800, 0x6b88ff, 0x00ab47,
0x008b8b, 0x000000, 0x000000, 0x472bbf,
0xf8f8f8, 0xffe3ab, 0xf87858, 0x9878f8,
0x0078f8, 0xf85898, 0xbfbfbf, 0xffa347,
0x004358, 0xb8f818, 0x7f7f7f, 0x007800,
0x00ebdb, 0x000000, 0x000000, 0xffffff,
0xffffff, 0xa7e7ff, 0x5bdb57, 0x6b88ff,
0x004358, 0x0000ff, 0xe7005b, 0x00b800,
0xfbdb7b, 0xffa347, 0x8b1700, 0xffe3ab,
0xb8f818, 0xab0023, 0x000000, 0x007800 }
},
/* The default VS palette must be the last entry in the array */
{ "vs-smb", "VS SMB/VS Ice Climber palette",
{ 0xaf7f00, 0x0000ff, 0x008b8b, 0x472bbf,
0x970087, 0xab0023, 0x0000ff, 0xe75f13,
0xbfbfbf, 0x007800, 0x5bdb57, 0x005b00,
0xf0d0b0, 0xffe3ab, 0x00ab00, 0x000000,
0xbfbfbf, 0x0078f8, 0x0058f8, 0x6b47ff,
0x000000, 0xe7005b, 0xf83800, 0xf87858,
0xaf7f00, 0x00b800, 0x6b88ff, 0x00ab47,
0x008b8b, 0x000000, 0x000000, 0x3fbfff,
0xf8f8f8, 0x006b00, 0x8b1700, 0x9878f8,
0x6b47ff, 0xf85898, 0x7f7f7f, 0xe7005b,
0x004358, 0xb8f818, 0x0078f8, 0x58f898,
0x00ebdb, 0xfbdb7b, 0x000000, 0x000000,
0xffffff, 0xa7e7ff, 0xb8b8f8, 0xf83800,
0xf8b8f8, 0xfba7c3, 0xffffff, 0x00ffff,
0xfbdb7b, 0xffa347, 0xb8f8b8, 0xb8f8d8,
0xb8f818, 0xf8d8f8, 0x000000, 0x007800 }
}
};
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