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render.sav
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/* `
only update window clip on window change (?)
fix leftmost window/nta render and window bug
sprite masking isn't right in sonic/micromachines 2, but
seems ok in galaxy force 2
*/
#include "shared.h"
#define ALIGN_LONG
#ifdef ALIGN_LONG
/* Or change the names if you depend on these from elsewhere.. */
static __inline__ void WRITE_LONG(void *address, uint32 data)
{
*((uint8 *)address++) = data; data=data>>8;
*((uint8 *)address++) = data; data=data>>8;
*((uint8 *)address++) = data; data=data>>8;
*((uint8 *)address) = data; return;
}
#endif /* ALIGN_LONG */
#ifdef ALIGN_LONG
/* Draw a single 8-pixel column */
#define DRAW_COLUMN(ATTR, LINE) \
atex = atex_table[(ATTR >> 13) & 7]; \
src = (uint32 *)&bg.bg_pattern_cache[(ATTR & 0x1FFF) << 6 | (LINE)]; \
WRITE_LONG(dst++, *src++ | atex); \
WRITE_LONG(dst++, *src++ | atex); \
ATTR >>= 16; \
atex = atex_table[(ATTR >> 13) & 7]; \
src = (uint32 *)&bg.bg_pattern_cache[(ATTR & 0x1FFF) << 6 | (LINE)]; \
WRITE_LONG(dst++, *src++ | atex); \
WRITE_LONG(dst++, *src++ | atex); \
/* Draw a single 8-pixel column */
#define DRAW_COLUMN_A(ATTR, LINE) \
atex = atex_table[(ATTR >> 13) & 7]; \
src = (uint32 *)&bg.bg_pattern_cache[(ATTR & 0x1FFF) << 6 | (LINE)]; \
*dst++ = (*src++ | atex); \
*dst++ = (*src++ | atex); \
ATTR >>= 16; \
atex = atex_table[(ATTR >> 13) & 7]; \
src = (uint32 *)&bg.bg_pattern_cache[(ATTR & 0x1FFF) << 6 | (LINE)]; \
*dst++ = (*src++ | atex); \
*dst++ = (*src++ | atex);
/* Draw a single 16-pixel column */
#define DRAW_COLUMN_IM2(ATTR, LINE) \
atex = atex_table[(ATTR >> 13) & 7]; \
offs = (ATTR & 0x03FF) << 7 | (ATTR & 0x1800) << 6 | (LINE); \
if(ATTR & 0x1000) offs ^= 0x40; \
src = (uint32 *)&bg.bg_pattern_cache[offs]; \
WRITE_LONG(dst++, *src++ | atex); \
WRITE_LONG(dst++, *src++ | atex); \
ATTR >>= 16; \
atex = atex_table[(ATTR >> 13) & 7]; \
offs = (ATTR & 0x03FF) << 7 | (ATTR & 0x1800) << 6 | (LINE); \
if(ATTR & 0x1000) offs ^= 0x40; \
src = (uint32 *)&bg.bg_pattern_cache[offs]; \
WRITE_LONG(dst++, *src++ | atex); \
WRITE_LONG(dst++, *src++ | atex); \
/* Draw a single 16-pixel column */
#define DRAW_COLUMN_IM2_A(ATTR, LINE) \
atex = atex_table[(ATTR >> 13) & 7]; \
offs = (ATTR & 0x03FF) << 7 | (ATTR & 0x1800) << 6 | (LINE); \
if(ATTR & 0x1000) offs ^= 0x40; \
src = (uint32 *)&bg.bg_pattern_cache[offs]; \
*dst++ = (*src++ | atex); \
*dst++ = (*src++ | atex); \
ATTR >>= 16; \
atex = atex_table[(ATTR >> 13) & 7]; \
offs = (ATTR & 0x03FF) << 7 | (ATTR & 0x1800) << 6 | (LINE); \
if(ATTR & 0x1000) offs ^= 0x40; \
src = (uint32 *)&bg.bg_pattern_cache[offs]; \
*dst++ = (*src++ | atex); \
*dst++ = (*src++ | atex);
#endif /* ALIGN_LONG */
#define DRAW_SPRITE_TILE_SIMPLE \
*lb++ = table[(*lb << 8) |(*src++ | palette)]; \
*lb++ = table[(*lb << 8) |(*src++ | palette)]; \
*lb++ = table[(*lb << 8) |(*src++ | palette)]; \
*lb++ = table[(*lb << 8) |(*src++ | palette)]; \
*lb++ = table[(*lb << 8) |(*src++ | palette)]; \
*lb++ = table[(*lb << 8) |(*src++ | palette)]; \
*lb++ = table[(*lb << 8) |(*src++ | palette)]; \
*lb++ = table[(*lb << 8) |(*src | palette)];
#define DST_ENTER register int colli = vdp.collision
#define DST_EXIT vdp.collision = colli
#define DRAW_SPRITE_TILE \
register int i=8; \
do { \
uint8 val = *src++; \
if (val!=0) { \
*lb = table[(*lb << 8) |(val | palette)]; \
if (!colli) { colli = *lbc; *lbc=1; }; \
}; \
lb++; lbc++; \
} while (--i);
//#define DRAW_COLUMN(ATTR ,LINE)
//#define DRAW_COLUMN_A(ATTR ,LINE)
//#define DRAW_COLUMN_IM2(ATTR ,LINE)
//#define DRAW_COLUMN_IM2_A(ATTR ,LINE)
/* Pixel creation macros, input is four bits each */
/* 8:8:8 RGB */
#define MAKE_PIXEL_32(r,g,b) ((r) << 20 | (g) << 12 | (b) << 4)
/* 5:5:5 RGB */
#define MAKE_PIXEL_15(r,g,b) ((r) << 11 | (g) << 6 | (b) << 1)
/* 5:6:5 RGB */
#define MAKE_PIXEL_16(r,g,b) ((r) << 12 | (g) << 7 | (b) << 1)
/* 3:3:2 RGB */
#define MAKE_PIXEL_8(r,g,b) ((r) << 5 | (g) << 2 | ((b) >> 1))
/* Clip data */
static clip_t clip[2];
/* Attribute expansion table */
static const uint32 atex_table[] = {
0x00000000, 0x10101010, 0x20202020, 0x30303030,
0x40404040, 0x50505050, 0x60606060, 0x70707070
};
/* Sprite name look-up table */
uint8 name_lut[0x400];
/* Sprite line buffer data */
uint8 object_index_count;
struct {
uint16 ypos;
uint16 xpos;
uint16 attr;
uint8 size;
uint8 index;
}object_info[20];
/* Pixel look-up tables and table base address */
uint8 *lut[5];
uint8 *lut_base;
uint32 _align_1;
uint16 pixel_16[0x100];
uint16 pixel_16_lut[3][0x200];
uint32 pixel_32[0x100];
uint32 pixel_32_lut[3][0x200];
/* Line buffers */
uint32 _align_11;
static uint8 lb[0x190]; /* Line Buffer */ /* Temporary buffer */
static uint8 bg_buf[0x190]; /* Merged background buffer */
static uint8 nta_buf[0x190]; /* Plane A / Window line buffer */
static uint8 ntb_buf[0x190]; /* Plane B line buffer */
static uint8 obj_buf[0x190]; /* Object layer line buffer */
static uint8 sc_buf[0x190]; /* Sprite collision buffer */
extern uint8 rotateright;
extern uint8 landscape;
extern uint8 square_screen;
extern uint8 crop_screen;
void (*RenderLine) (uint8 *src, int line, int offset, uint16 *table, int length);
#ifndef _WFIX
void RenderLine_RL (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_RR (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_P (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_P_Crop (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_RL_F (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_RR_F (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_P_F (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_P_Crop_F (uint8 *src, int line, int offset, uint16 *table, int length);
#else
void RenderLine_X (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_X2 (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_X2S1 (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_X2S2 (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_X2S3 (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_X2S4 (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_X2S5 (uint8 *src, int line, int offset, uint16 *table, int length);
void RenderLine_X2S6 (uint8 *src, int line, int offset, uint16 *table, int length);
#endif
/*--------------------------------------------------------------------------*/
/* Init, reset, shutdown routines */
/*--------------------------------------------------------------------------*/
void set_renderer()
{
#ifdef _WFIX
extern uint8 renderer;
switch (renderer) {
case 0: RenderLine = RenderLine_X2; break;
case 1: RenderLine = RenderLine_X2S1; break;
case 2: RenderLine = RenderLine_X2S2; break;
case 3: RenderLine = RenderLine_X2S3; break;
case 4: RenderLine = RenderLine_X2S4; break;
case 5: RenderLine = RenderLine_X2S5; break;
case 6: RenderLine = RenderLine_X2S6; break;
}
#else
extern uint8 fast_vid;
extern uint8 NeedMessage;
extern uint8 UncachedRender;
extern FILE *mylog;
if ((!fast_vid)|(NeedMessage)) {
if (rotateright) { RenderLine = RenderLine_RR; } else { RenderLine = RenderLine_RL; };
if (!landscape) {
if (!crop_screen) RenderLine = RenderLine_P; else if (crop_screen==2) {
if (vdp.reg[12] & 1) RenderLine = RenderLine_P; else RenderLine = RenderLine_P_Crop;
}
else RenderLine = RenderLine_P_Crop;
}
if (square_screen) {
if (!crop_screen) RenderLine = RenderLine_P; else if (crop_screen==2) {
if (vdp.reg[12] & 1) RenderLine = RenderLine_P; else RenderLine = RenderLine_P_Crop;
}
else RenderLine = RenderLine_P_Crop;
}
//fprintf(stderr,("Using cached render\n"));
UncachedRender=0;
} else
{
if (rotateright) { RenderLine = RenderLine_RR_F; } else { RenderLine = RenderLine_RL_F; };
if (!landscape) {
if (!crop_screen) RenderLine = RenderLine_P_F; else if (crop_screen==2) {
if (vdp.reg[12] & 1) RenderLine = RenderLine_P_F; else RenderLine = RenderLine_P_Crop_F;
}
else RenderLine = RenderLine_P_Crop_F;
}
if (square_screen) {
if (!crop_screen) RenderLine = RenderLine_P_F; else if (crop_screen==2) {
if (vdp.reg[12] & 1) RenderLine = RenderLine_P_F; else RenderLine = RenderLine_P_Crop_F;
}
else RenderLine = RenderLine_P_Crop_F;
}
//fprintf(stderr,("Using uncached render\n"));
UncachedRender=1;
}
#endif
}
int render_init(void)
{
int bx, ax, i;
/* Allocate and align pixel look-up tables */
lut_base = malloc((LUT_MAX * LUT_SIZE) + LUT_SIZE);
lut[0] = (uint8 *)(((uint32)lut_base + LUT_SIZE) & ~(LUT_SIZE - 1));
for(i = 1; i < LUT_MAX; i += 1)
{
lut[i] = lut[0] + (i * LUT_SIZE);
}
/* Make pixel look-up table data */
for(bx = 0; bx < 0x100; bx += 1)
for(ax = 0; ax < 0x100; ax += 1)
{
uint16 index = (bx << 8) | (ax);
lut[0][index] = make_lut_bg(bx, ax);
lut[1][index] = make_lut_obj(bx, ax);
lut[2][index] = make_lut_bg_ste(bx, ax);
lut[3][index] = make_lut_obj_ste(bx, ax);
lut[4][index] = make_lut_bgobj_ste(bx, ax);
}
/* Make pixel data tables */
//16 Bit
for(i = 0; i < 0x200; i += 1)
{
int r, g, b;
r = (i >> 6) & 7;
g = (i >> 3) & 7;
b = (i >> 0) & 7;
pixel_16_lut[0][i] = MAKE_PIXEL_16(r,g,b);
pixel_16_lut[1][i] = MAKE_PIXEL_16(r<<1,g<<1,b<<1);
pixel_16_lut[2][i] = MAKE_PIXEL_16(r|8,g|8,b|8);
}
//32 Bit
for(i = 0; i < 0x200; i += 1)
{
int r, g, b;
r = (i >> 6) & 7;
g = (i >> 3) & 7;
b = (i >> 0) & 7;
pixel_32_lut[0][i] = MAKE_PIXEL_32(r,g,b);
pixel_32_lut[1][i] = MAKE_PIXEL_32(r<<1,g<<1,b<<1);
pixel_32_lut[2][i] = MAKE_PIXEL_32(r|8,g|8,b|8);
}
/* Set up color update function */
#define color_update color_update_16;
/* Make sprite name look-up table */
make_name_lut();
return (1);
}
void make_name_lut(void)
{
int col, row;
int vcol, vrow;
int width, height;
int flipx, flipy;
int i, name;
memset(name_lut, 0, sizeof(name_lut));
for(i = 0; i < 0x400; i += 1)
{
vcol = col = i & 3;
vrow = row = (i >> 2) & 3;
height = (i >> 4) & 3;
width = (i >> 6) & 3;
flipx = (i >> 8) & 1;
flipy = (i >> 9) & 1;
if(flipx)
vcol = (width - col);
if(flipy)
vrow = (height - row);
name = vrow + (vcol * (height + 1));
if((row > height) || col > width)
name = -1;
name_lut[i] = name;
}
}
void render_reset(void)
{
memset(&clip, 0, sizeof(clip));
memset(bg_buf, 0, sizeof(bg_buf));
memset(lb, 0, sizeof(lb));
memset(nta_buf, 0, sizeof(nta_buf));
memset(ntb_buf, 0, sizeof(ntb_buf));
memset(obj_buf, 0, sizeof(obj_buf));
memset(&pixel_16, 0, sizeof(pixel_16));
memset(&pixel_32, 0, sizeof(pixel_32));
}
void render_shutdown(void)
{
if(lut_base) free(lut_base);
}
/*--------------------------------------------------------------------------*/
/* Line render function */
/*--------------------------------------------------------------------------*/
void render_line(int line)
{
int mergewidth = (vdp.reg[12] & 1) ? 320 : 256;
update_bg_pattern_cache();
if((vdp.reg[1] & 0x40) == 0x00)
{
// Use the overscan color to clear the screen
memset(&lb[0x20], 0x40 | vdp.border , bitmap.viewport.w);
}
else
{
window_clip(line);
if(vdp.im2_flag)
{
render_ntx_im2(0, line, nta_buf);
render_ntx_im2(1, line, ntb_buf);
}
else
{
if(vdp.reg[0x0B] & 4)
{
render_ntx_vs(0, line, nta_buf);
render_ntx_vs(1, line, ntb_buf);
}
else
{
render_ntx(0, line, nta_buf);
render_ntx(1, line, ntb_buf);
}
}
if(vdp.im2_flag)
render_ntw_im2(line, nta_buf);
else
render_ntw(line, nta_buf);
if(vdp.reg[12] & 8)
{
merge(&nta_buf[0x20], &ntb_buf[0x20], &bg_buf[0x20], lut[2], mergewidth);
memset(&obj_buf[0x20], 0, mergewidth);
if(vdp.im2_flag)
render_obj_im2(line, obj_buf, lut[3]);
else
render_obj(line, obj_buf, lut[3]);
merge(&obj_buf[0x20], &bg_buf[0x20], &lb[0x20], lut[4], mergewidth);
}
else
{
merge(&nta_buf[0x20], &ntb_buf[0x20], &lb[0x20], lut[0], mergewidth);
if(vdp.im2_flag)
render_obj_im2(line, lb, lut[1]);
else
render_obj(line, lb, lut[1]);
}
}
if(vdp.reg[0] & 0x20)
{
memset(&lb[0x20], 0x40 | vdp.border, 0x08);
}
//Render line
RenderLine (lb+0x20, line, bitmap.viewport.x, pixel_16, mergewidth);
}
#ifndef _WFIX
extern uint16 ScreenCache[320*240];
#define MUL320(x) ((x<<8)+(x<<6))
#define MUL240(x) ((x<<8)-(x<<4))
void RenderLine_RL (uint8 *src, int line, int offset, uint16 *table, int length)
{
#undef OUTPIXELPITCH
#define OUTPIXELPITCH (-240)
uint16 * outWrite;
uint16 * outCache;
uint8 * tmp;
tmp = (uint8*)bitmap.data + ((MUL240(319-offset)+line)<<1);
outWrite = (uint16*)tmp;
tmp = (uint8*)ScreenCache + ((MUL320(line)+offset)<<1);
outCache = (uint16*)tmp;
do {
uint16 val = table[*src++];
if (val!=*outCache) {
*outWrite = val;
*outCache = val;
}
outWrite+=OUTPIXELPITCH;
outCache++;
} while (--length);
}
void RenderLine_RR (uint8 *src, int line, int offset, uint16 *table, int length)
{
#undef OUTPIXELPITCH
#define OUTPIXELPITCH (240)
uint16 * outWrite;
uint16 * outCache;
uint8 * tmp;
tmp = (uint8*)bitmap.data + ((MUL240(offset)-line+239)<<1);
outWrite = (uint16*)tmp;
tmp = (uint8*)ScreenCache + ((MUL320(line)+offset)<<1);
outCache = (uint16*)tmp;
do {
uint16 val = table[*src++];
if (val!=*outCache) {
*outWrite = val;
*outCache = val;
//*outWrite = ((val&0xF7DE)>>1)+((*outCache&0xF7DE)>>1);
//*outCache = ((val&0xF7DE)>>1)+((*outCache&0xF7DE)>>1);
}
outWrite+=OUTPIXELPITCH;
outCache++;
} while (--length);
}
void RenderLine_P (uint8 *src, int line, int offset, uint16 *table, int length)
#define RB_MASK 0xF81F
#define G_MASK 0x07E0
#define RB(x) ((x&RB_MASK)<<8)
#define G(x) ((x&G_MASK)<<3)
#define P25(x) (x>>2)
#define P50(x) (x>>1)
#define P75(x) ((x>>1)+(x>>2))
#define MAKEPIXEL(rb,g) (((rb>>8)&RB_MASK | (g>>3)&G_MASK))
{
uint16 * outWrite;
uint16 * outCache;
uint8 * tmp;
tmp = (uint8*)bitmap.data + ((MUL240(line)+P75(offset))<<1);
outWrite = (uint16*)tmp;
tmp = (uint8*)ScreenCache + ((MUL240(line)+P75(offset))<<1);
outCache = (uint16*)tmp;
length = length>>2; //We'll process 4 pixels at one shot
do {
uint16 p1 = table[*src++];
uint16 p2 = table[*src++];
uint16 p3 = table[*src++];
uint16 p4 = table[*src++];
uint16 val = MAKEPIXEL(P75(RB(p1))+P25(RB(p2)),P75(G(p1))+P25(G(p2)));
if (val!=*outCache) {
*outWrite = val;
*outCache = val;
}
outWrite++;
outCache++;
val = MAKEPIXEL(P50(RB(p2))+P50(RB(p3)),P50(G(p2))+P50(G(p3)));
if (val!=*outCache) {
*outWrite = val;
*outCache = val;
}
outWrite++;
outCache++;
val = MAKEPIXEL(P25(RB(p3))+P75(RB(p4)),P25(G(p3))+P75(G(p4)));
if (val!=*outCache) {
*outWrite = val;
*outCache = val;
}
outWrite++;
outCache++;
} while (--length);
}
void RenderLine_P_Crop (uint8 *src, int line, int offset, uint16 *table, int length)
{
uint16 * outWrite;
uint16 * outCache;
uint8 * tmp;
if (length==320) src+=40; else src+=8;
tmp = (uint8*)bitmap.data + ((MUL240(line))<<1);
outWrite = (uint16*)tmp;
tmp = (uint8*)ScreenCache + ((MUL240(line))<<1);
outCache = (uint16*)tmp;
length = 240;
do {
uint32 val = table[*src++];
if (val!=*outCache) {
*outWrite = val;
*outCache = val;
}
outWrite++;
outCache++;
} while (--length);
}
//Uncached
void RenderLine_RL_F (uint8 *src, int line, int offset, uint16 *table, int length)
{
#undef OUTPIXELPITCH
#define OUTPIXELPITCH (-240)
uint16 * outWrite;
uint8 * tmp;
tmp = (uint8*)bitmap.data + ((MUL240(319-offset)+line)<<1);
outWrite = (uint16*)tmp;
do {
*outWrite = table[*src++];
outWrite+=OUTPIXELPITCH;
} while (--length);
}
void RenderLine_RR_F (uint8 *src, int line, int offset, uint16 *table, int length)
{
#undef OUTPIXELPITCH
#define OUTPIXELPITCH (240)
uint16 * outWrite;
uint8 * tmp;
tmp = (uint8*)bitmap.data + ((MUL240(offset)-line+239)<<1);
outWrite = (uint16*)tmp;
do {
*outWrite = table[*src++];
outWrite+=OUTPIXELPITCH;
} while (--length);
}
void RenderLine_P_F (uint8 *src, int line, int offset, uint16 *table, int length)
#define RB_MASK 0xF81F
#define G_MASK 0x07E0
#define RB(x) ((x&RB_MASK)<<8)
#define G(x) ((x&G_MASK)<<3)
#define P25(x) (x>>2)
#define P50(x) (x>>1)
#define P75(x) ((x>>1)+(x>>2))
#define MAKEPIXEL(rb,g) (((rb>>8)&RB_MASK | (g>>3)&G_MASK))
{
uint16 * outWrite;
uint8 * tmp;
tmp = (uint8*)bitmap.data + ((MUL240(line)+P75(offset))<<1);
outWrite = (uint16*)tmp;
length = length>>2; //We'll process 4 pixels at one shot
do {
uint16 p1 = table[*src++];
uint16 p2 = table[*src++];
uint16 p3 = table[*src++];
uint16 p4 = table[*src++];
uint16 val = MAKEPIXEL(P75(RB(p1))+P25(RB(p2)),P75(G(p1))+P25(G(p2)));
*outWrite++ = val;
val = MAKEPIXEL(P50(RB(p2))+P50(RB(p3)),P50(G(p2))+P50(G(p3)));
*outWrite++ = val;
val = MAKEPIXEL(P25(RB(p3))+P75(RB(p4)),P25(G(p3))+P75(G(p4)));
*outWrite++ = val;
} while (--length);
}
void RenderLine_P_Crop_F (uint8 *src, int line, int offset, uint16 *table, int length)
{
uint32 * outWrite;
uint8 * tmp;
if (length==320) src+=40; else src+=8;
tmp = (uint8*)bitmap.data + ((MUL240(line))<<1);
outWrite = (uint32*)tmp;
length = 240/2;
do {
uint32 val = (table[*src++]);
val = val + ((table[*src++])<<16);
*outWrite++ = val;
} while (--length);
}
#else
void RenderLine_X (uint8 *src, int line, int offset, uint16 *table, int length)
{
uint16 * outWrite;
uint8 *tmp;
//if (bitmap.viewport.changed) {
//memset(bitmap.data,0,640*480*2);
//}
tmp=(uint8*)bitmap.data + ((offset+line*320)<<1);
outWrite = (uint16*)tmp;
do {
*outWrite++ = table[*src++];
} while (--length);
}
extern int screen_mult;
void RenderLine_X2 (uint8 *src, int line, int offset, uint16 *table, int length)
{
uint16 * outWrite;
uint8 *tmp;
if (bitmap.viewport.changed) {
memset(bitmap.data,0,640*480*2);
}
tmp=(uint8*)bitmap.data + ((offset*2+line*640*2)<<1);
outWrite = (uint16*)tmp;
do {
uint16 p1 = table[*src++];
uint16 p2 = (p1&0xF7DE)>>1;
*outWrite = p1;
*(outWrite+640) = p1;
*outWrite++;
*outWrite = p1;
*(outWrite+640) = p1;
*outWrite++;
} while (--length);
}
void RenderLine_X2S1 (uint8 *src, int line, int offset, uint16 *table, int length)
{
uint16 * outWrite;
uint8 *tmp;
//if (bitmap.viewport.changed) {
//memset(bitmap.data,0,640*480*2);
//}
src[length]=src[length-1];
tmp=(uint8*)bitmap.data + ((offset*2+line*640*2)<<1);
outWrite = (uint16*)tmp;
do {
uint16 p1 = table[*src++];
uint16 p2 = table[*src];
//LINE
p1 = ((p1&0xF7DE)>>1)+((p2&0xF7DE)>>1);
*outWrite = p1;
*(outWrite+640) = p1;
*outWrite++;
*outWrite = p1;
*(outWrite+640) = p1;
*outWrite++;
} while (--length);
}
uint16 Cache[640*240];
void RenderLine_X2S2 (uint8 *src, int line, int offset, uint16 *table, int length)
{
uint16 * outWrite;
uint16 * inCache;
uint8 *tmp;
uint8 *tmp2;
//if (bitmap.viewport.changed) {
//memset(bitmap.data,0,640*480*2);
//}
tmp=(uint8*)bitmap.data + ((offset*2+line*640*2)<<1);
tmp2=(uint8*)&Cache[0] + ((offset+line*320)<<1);
outWrite = (uint16*)tmp;
inCache = (uint16*)tmp2;
do {
uint16 p1 = table[*src++];
uint16 p3 = *inCache;
*inCache=p1;
*inCache++;
//PHOSPHOR
p1 = ((p1&0xF7DE)>>1)+((p3&0xF7DE)>>1);
*outWrite = p1;
*(outWrite+640) = p1;
*outWrite++;
*outWrite = p1;
*(outWrite+640) = p1;
*outWrite++;
} while (--length);
}
void RenderLine_X2S3 (uint8 *src, int line, int offset, uint16 *table, int length)
{
uint16 * outWrite;
uint16 * inCache;
uint8 *tmp;
uint8 *tmp2;
//if (bitmap.viewport.changed) {
//memset(bitmap.data,0,640*480*2);
//}
src[length]=src[length-1];
tmp=(uint8*)bitmap.data + ((offset*2+line*640*2)<<1);
tmp2=(uint8*)&Cache[0] + ((offset+line*320)<<1);
outWrite = (uint16*)tmp;
inCache = (uint16*)tmp2;
do {
uint16 p1 = table[*src++];
uint16 p2 = table[*src];
uint16 p3 = *inCache;
uint16 p4 = p1;
//LINE
p1 = ((p1&0xF7DE)>>1)+((p2&0xF7DE)>>1);
*inCache=p1;
*inCache++;
//PHOSPHOR
p1 = ((p1&0xF7DE)>>1)+((p3&0xF7DE)>>1);
*outWrite = p1;
*(outWrite+640) = p1;
*outWrite++;
*outWrite = p1;
*(outWrite+640) = p1;
*outWrite++;
} while (--length);
}
void RenderLine_X2S4 (uint8 *src, int line, int offset, uint16 *table, int length)
{
uint16 * outWrite;
uint16 * inCache;
uint8 *tmp;
uint8 *tmp2;
//if (bitmap.viewport.changed) {
//memset(bitmap.data,0,640*480*2);
//}
tmp=(uint8*)bitmap.data + ((offset*2+line*640*2)<<1);
outWrite = (uint16*)tmp;
do {
uint16 p1 = table[*src++];
uint16 pa = (p1&0xF7DE)>>1;
uint16 p2 = (p1&0x7E0)|(pa&0xF81F);
uint16 p3 = (p1&0xF800)|(pa&0x7FF);
uint16 p4 = (p1&0x1F)|(pa&0xFFE0);
*outWrite = p1;
*(outWrite+640) = p2;
*outWrite++;
*outWrite = p3;
*(outWrite+640) = p4;
*outWrite++;
} while (--length);
}
void RenderLine_X2S5 (uint8 *src, int line, int offset, uint16 *table, int length)
{
uint16 * outWrite;
uint8 *tmp;
//if (bitmap.viewport.changed) {
//memset(bitmap.data,0,640*480*2);
//}
src[length]=src[length-1];
tmp=(uint8*)bitmap.data + ((offset*2+line*640*2)<<1);
outWrite = (uint16*)tmp;
do {
uint16 p1 = table[*src++];
uint16 p2 = table[*src];
//LINE
uint16 p3 = ((p1&0xF7DE)>>1)+((p2&0xF7DE)>>1);
*outWrite = p1;
*(outWrite+640) = p3;
*outWrite++;
*outWrite = p3;
*(outWrite+640) = p3;
*outWrite++;
} while (--length);
}
void RenderLine_X2S6 (uint8 *src, int line, int offset, uint16 *table, int length)
{
uint16 * outWrite;
uint16 * inCache;
uint8 *tmp;
uint8 *tmp2;
//if (bitmap.viewport.changed) {
//memset(bitmap.data,0,640*480*2);
//}
src[length]=src[length-1];
tmp=(uint8*)bitmap.data + ((offset*2+line*640*2)<<1);
tmp2=(uint8*)&Cache[0] + ((offset+line*320)<<1);
outWrite = (uint16*)tmp;
inCache = (uint16*)tmp2;
do {
uint16 p1 = table[*src++];
uint16 p2 = table[*src];
uint16 p3 = *inCache;
uint16 p4 = p1;
//LINE
p1 = ((p1&0xF7DE)>>1)+((p2&0xF7DE)>>1);
*inCache=p1;
*inCache++;
//PHOSPHOR
p1 = ((p1&0xF7DE)>>1)+((p3&0xF7DE)>>1);
*outWrite = p4;
*(outWrite+640) = p1;
*outWrite++;
*outWrite = p1;
*(outWrite+640) = p1;
*outWrite++;
} while (--length);
}
#endif
/*--------------------------------------------------------------------------*/
/* Window rendering */
/*--------------------------------------------------------------------------*/
void render_ntw(int line, uint8 *buf)
{
int column, v_line, width;
uint32 *nt, *src, *dst, atex, atbuf;
v_line = (line & 7) << 3;
width = (vdp.reg[12] & 1) ? 7 : 6;
nt = (uint32 *)&vdp.vram[vdp.ntwb | ((line >> 3) << width)];
dst = (uint32 *)&buf[0x20 + (clip[1].left << 4)];
column = clip[1].left;
int i=clip[1].right-column;
if (i>0) do
{
atbuf = nt[column++];
DRAW_COLUMN_A(atbuf, v_line)
} while (--i);
}
void render_ntw_im2(int line, uint8 *buf)
{
int column, v_line, width;
uint32 *nt, *src, *dst, atex, atbuf, offs;
v_line = ((line & 7) << 1 | ((vdp.status >> 4) & 1)) << 3;
width = (vdp.reg[12] & 1) ? 7 : 6;
nt = (uint32 *)&vdp.vram[vdp.ntwb | ((line >> 3) << width)];
dst = (uint32 *)&buf[0x20 + (clip[1].left << 4)];
column = clip[1].left;
int i=clip[1].right-column;
if (i>0) do
{
atbuf = nt[column++];
DRAW_COLUMN_IM2_A(atbuf, v_line)
} while (--i);
}
/*--------------------------------------------------------------------------*/
/* Background plane rendering */
/*--------------------------------------------------------------------------*/
void render_ntx(int which, int line, uint8 *buf)
{
int column;
int start, end;
int index;
int shift;
int nametable_row_mask = (vdp.playfield_col_mask >> 1);
int v_line;
uint32 atex, atbuf, *src, *dst;
uint16 xascroll, xbscroll, xscroll;
int y_scroll;
uint32 *nt;
int vsr_shift;
uint32 *vs;
uint16 table;
table = (which) ? vdp.ntbb : vdp.ntab;
get_hscroll(line, &xascroll, &xbscroll);
xscroll = (which) ? xbscroll : xascroll;
shift = (xscroll & 0x0F);
index = ((vdp.playfield_col_mask + 1) >> 1) - ((xscroll >> 4) & nametable_row_mask);
if(which)
{
start = 0;
end = (vdp.reg[0x0C] & 1) ? 20 : 16;
}
else
{
// Looks correct if clip[0].left has 1 subtracted