#include "rockmacros.h" #include "defs.h" #include "regs.h" #include "hw.h" #include "mem.h" #include "lcd-gb.h" #include "rc.h" #include "fb.h" #include "palette.h" #ifdef USE_ASM #include "asm.h" #endif struct lcd lcd; struct scan scan IDATA_ATTR; #define BG (scan.bg) #define WND (scan.wnd) #define BUF (scan.buf[scanline_ind]) #define PRI (scan.pri) #define PAL1 (scan.pal1) #define PAL2 (scan.pal2) #define PAL4 (scan.pal4) #define VS (scan.vs) /* vissprites */ #define NS (scan.ns) #define L (scan.l) /* line */ #define X (scan.x) /* screen position */ #define Y (scan.y) #define S (scan.s) /* tilemap position */ #define T (scan.t) #define U (scan.u) /* position within tile */ #define V (scan.v) #define WX (scan.wx) #define WY (scan.wy) #define WT (scan.wt) #define WV (scan.wv) byte patpix[4096][8][8]; byte patdirty[1024]; byte anydirty; // static int scale = 1; static int rgb332; static int sprsort = 1; static int sprdebug; static int scanline_ind=0,insync=0; #define DEF_PAL { 0x98d0e0, 0x68a0b0, 0x60707C, 0x2C3C3C } static int dmg_pal[4][4] = { DEF_PAL, DEF_PAL, DEF_PAL, DEF_PAL }; static int usefilter, filterdmg; static int filter[3][4] = { { 195, 25, 0, 35 }, { 25, 170, 25, 35 }, { 25, 60, 125, 40 } }; rcvar_t lcd_exports[] = { RCV_BOOL("rgb332", &rgb332), RCV_VECTOR("dmg_bgp", dmg_pal[0], 4), RCV_VECTOR("dmg_wndp", dmg_pal[1], 4), RCV_VECTOR("dmg_obp0", dmg_pal[2], 4), RCV_VECTOR("dmg_obp1", dmg_pal[3], 4), RCV_BOOL("sprsort", &sprsort), RCV_BOOL("sprdebug", &sprdebug), RCV_BOOL("colorfilter", &usefilter), RCV_BOOL("filterdmg", &filterdmg), RCV_VECTOR("red", filter[0], 4), RCV_VECTOR("green", filter[1], 4), RCV_VECTOR("blue", filter[2], 4), RCV_END }; static byte *vdest; #ifdef ALLOW_UNALIGNED_IO /* long long is ok since this is i386-only anyway? */ #define MEMCPY8(d, s) ((*(long long *)(d)) = (*(long long *)(s))) #else #define MEMCPY8(d, s) memcpy((d), (s), 8) #endif #ifndef ASM_UPDATEPATPIX void updatepatpix(void) { int i, j; #if CONFIG_CPU != SH7034 || defined(SIMULATOR) int k, a, c; #endif byte *vram = lcd.vbank[0]; if (!anydirty) return; for (i = 0; i < 1024; i++) { if (i == 384) i = 512; if (i == 896) break; if (!patdirty[i]) continue; patdirty[i] = 0; for (j = 0; j < 8; j++) { #if CONFIG_CPU == SH7034 && !defined(SIMULATOR) asm volatile ( "mov.w @%2,r1 \n" "swap.b r1,r2 \n" "mov #0,r0 \n" "shlr r1 \n" "rotcl r0 \n" "shlr r2 \n" "rotcl r0 \n" "mov.b r0,@%0 \n" "mov.b r0,@(7,%1) \n" "mov #0,r0 \n" "shlr r1 \n" "rotcl r0 \n" "shlr r2 \n" "rotcl r0 \n" "mov.b r0,@(1,%0) \n" "mov.b r0,@(6,%1) \n" "mov #0,r0 \n" "shlr r1 \n" "rotcl r0 \n" "shlr r2 \n" "rotcl r0 \n" "mov.b r0,@(2,%0) \n" "mov.b r0,@(5,%1) \n" "mov #0,r0 \n" "shlr r1 \n" "rotcl r0 \n" "shlr r2 \n" "rotcl r0 \n" "mov.b r0,@(3,%0) \n" "mov.b r0,@(4,%1) \n" "mov #0,r0 \n" "shlr r1 \n" "rotcl r0 \n" "shlr r2 \n" "rotcl r0 \n" "mov.b r0,@(4,%0) \n" "mov.b r0,@(3,%1) \n" "mov #0,r0 \n" "shlr r1 \n" "rotcl r0 \n" "shlr r2 \n" "rotcl r0 \n" "mov.b r0,@(5,%0) \n" "mov.b r0,@(2,%1) \n" "mov #0,r0 \n" "shlr r1 \n" "rotcl r0 \n" "shlr r2 \n" "rotcl r0 \n" "mov.b r0,@(6,%0) \n" "mov.b r0,@(1,%1) \n" "mov #0,r0 \n" "shlr r1 \n" "rotcl r0 \n" "shlr r2 \n" "rotcl r0 \n" "mov.b r0,@(7,%0) \n" "mov.b r0,@%1 \n" : /* outputs */ : /* inputs */ /* %0 */ "r"(patpix[i+1024][j]), /* %1 */ "r"(patpix[i][j]), /* %2 */ "r"(&vram[(i<<4)|(j<<1)]) : /* clobbers */ "r0", "r1", "r2" ); #else a = ((i<<4) | (j<<1)); for (k = 0; k < 8; k++) { c = vram[a] & (1<> 3) + 1; if (hw.cgb) { if (R_LCDC & 0x10) for (i = cnt; i > 0; i--) { *(tilebuf++) = *tilemap | (((int)*attrmap & 0x08) << 6) | (((int)*attrmap & 0x60) << 5); *(tilebuf++) = (((int)*attrmap & 0x07) << 2); attrmap += *wrap + 1; tilemap += *(wrap++) + 1; } else for (i = cnt; i > 0; i--) { *(tilebuf++) = (256 + ((n8)*tilemap)) | (((int)*attrmap & 0x08) << 6) | (((int)*attrmap & 0x60) << 5); *(tilebuf++) = (((int)*attrmap & 0x07) << 2); attrmap += *wrap + 1; tilemap += *(wrap++) + 1; } } else { if (R_LCDC & 0x10) for (i = cnt; i > 0; i--) { *(tilebuf++) = *(tilemap++); tilemap += *(wrap++); } else for (i = cnt; i > 0; i--) { *(tilebuf++) = (256 + ((n8)*(tilemap++))); tilemap += *(wrap++); } } if (WX >= 160) return; base = ((R_LCDC&0x40)?0x1C00:0x1800) + (WT<<5); tilemap = lcd.vbank[0] + base; attrmap = lcd.vbank[1] + base; tilebuf = WND; cnt = ((160 - WX) >> 3) + 1; if (hw.cgb) { if (R_LCDC & 0x10) for (i = cnt; i > 0; i--) { *(tilebuf++) = *(tilemap++) | (((int)*attrmap & 0x08) << 6) | (((int)*attrmap & 0x60) << 5); *(tilebuf++) = (((int)*(attrmap++)&7) << 2); } else for (i = cnt; i > 0; i--) { *(tilebuf++) = (256 + ((n8)*(tilemap++))) | (((int)*attrmap & 0x08) << 6) | (((int)*attrmap & 0x60) << 5); *(tilebuf++) = (((int)*(attrmap++)&7) << 2); } } else { if (R_LCDC & 0x10) for (i = cnt; i > 0; i--) *(tilebuf++) = *(tilemap++); else for (i = cnt; i > 0; i--) *(tilebuf++) = (256 + ((n8)*(tilemap++))); } } // V = vertical line // WX = WND start (if 0, no need to do anything) -> WY // U = start...something...thingy... 7 at most void bg_scan(void) { int cnt; byte *src, *dest; int *tile; if (WX <= 0) return; cnt = WX; tile = BG; dest = BUF; src = patpix[*(tile++)][V] + U; memcpy(dest, src, 8-U); dest += 8-U; cnt -= 8-U; if (cnt <= 0) return; while (cnt >= 8) { src = patpix[*(tile++)][V]; MEMCPY8(dest, src); dest += 8; cnt -= 8; } src = patpix[*tile][V]; while (cnt--) *(dest++) = *(src++); } void wnd_scan(void) { int cnt; byte *src, *dest; int *tile; if (WX >= 160) return; cnt = 160 - WX; tile = WND; dest = BUF + WX; while (cnt >= 8) { src = patpix[*(tile++)][WV]; MEMCPY8(dest, src); dest += 8; cnt -= 8; } src = patpix[*tile][WV]; while (cnt--) *(dest++) = *(src++); } static void blendcpy(byte *dest, byte *src, byte b, int cnt) { while (cnt--) *(dest++) = *(src++) | b; } static int priused(void *attr) { un32 *a = attr; return (int)((a[0]|a[1]|a[2]|a[3]|a[4]|a[5]|a[6]|a[7])&0x80808080); } void bg_scan_pri(void) { int cnt, i; byte *src, *dest; if (WX <= 0) return; i = S; cnt = WX; dest = PRI; src = lcd.vbank[1] + ((R_LCDC&0x08)?0x1C00:0x1800) + (T<<5); if (!priused(src)) { memset(dest, 0, cnt); return; } memset(dest, src[i++&31]&128, 8-U); dest += 8-U; cnt -= 8-U; if (cnt <= 0) return; while (cnt >= 8) { memset(dest, src[i++&31]&128, 8); dest += 8; cnt -= 8; } memset(dest, src[i&31]&128, cnt); } void wnd_scan_pri(void) { int cnt, i; byte *src, *dest; if (WX >= 160) return; i = 0; cnt = 160 - WX; dest = PRI + WX; src = lcd.vbank[1] + ((R_LCDC&0x40)?0x1C00:0x1800) + (WT<<5); if (!priused(src)) { memset(dest, 0, cnt); return; } while (cnt >= 8) { memset(dest, src[i++]&128, 8); dest += 8; cnt -= 8; } memset(dest, src[i]&128, cnt); } void bg_scan_color(void) { int cnt; byte *src, *dest; int *tile; if (WX <= 0) return; cnt = WX; tile = BG; dest = BUF; src = patpix[*(tile++)][V] + U; blendcpy(dest, src, *(tile++), 8-U); dest += 8-U; cnt -= 8-U; if (cnt <= 0) return; while (cnt >= 8) { src = patpix[*(tile++)][V]; blendcpy(dest, src, *(tile++), 8); dest += 8; cnt -= 8; } src = patpix[*(tile++)][V]; blendcpy(dest, src, *(tile++), cnt); } void wnd_scan_color(void) { int cnt; byte *src, *dest; int *tile; if (WX >= 160) return; cnt = 160 - WX; tile = WND; dest = BUF + WX; while (cnt >= 8) { src = patpix[*(tile++)][WV]; blendcpy(dest, src, *(tile++), 8); dest += 8; cnt -= 8; } src = patpix[*(tile++)][WV]; blendcpy(dest, src, *(tile++), cnt); } static void recolor(byte *buf, byte fill, int cnt) { while (cnt--) *(buf++) |= fill; } void spr_count(void) { int i; struct obj *o; NS = 0; if (!(R_LCDC & 0x02)) return; o = lcd.oam.obj; for (i = 40; i; i--, o++) { if (L >= o->y || L + 16 < o->y) continue; if (L + 8 >= o->y && !(R_LCDC & 0x04)) continue; if (++NS == 10) break; } } void spr_enum(void) { int i, j; struct obj *o; struct vissprite ts[10]; int v, pat; int l, x; NS = 0; if (!(R_LCDC & 0x02)) return; o = lcd.oam.obj; for (i = 40; i; i--, o++) { if (L >= o->y || L + 16 < o->y) continue; if (L + 8 >= o->y && !(R_LCDC & 0x04)) continue; VS[NS].x = (int)o->x - 8; v = L - (int)o->y + 16; if (hw.cgb) { pat = o->pat | (((int)o->flags & 0x60) << 5) | (((int)o->flags & 0x08) << 6); VS[NS].pal = 32 + ((o->flags & 0x07) << 2); } else { pat = o->pat | (((int)o->flags & 0x60) << 5); VS[NS].pal = 32 + ((o->flags & 0x10) >> 2); } VS[NS].pri = (o->flags & 0x80) >> 7; if ((R_LCDC & 0x04)) { pat &= ~1; if (v >= 8) { v -= 8; pat++; } if (o->flags & 0x40) pat ^= 1; } VS[NS].buf = patpix[pat][v]; if (++NS == 10) break; } if (!sprsort||hw.cgb) return; /* not quite optimal but it finally works! */ for (i = 0; i < NS; i++) { l = 0; x = VS[0].x; for (j = 1; j < NS; j++) { if (VS[j].x < x) { l = j; x = VS[j].x; } } ts[i] = VS[l]; VS[l].x = 160; } memcpy(VS, ts, sizeof VS); } void spr_scan(void) { int i, x; byte pal, b, ns = NS; byte *src, *dest, *bg, *pri; struct vissprite *vs; static byte bgdup[256]; if (!ns) return; memcpy(bgdup, BUF, 256); vs = &VS[ns-1]; for (; ns; ns--, vs--) { x = vs->x; if (x >= 160) continue; if (x <= -8) continue; if (x < 0) { src = vs->buf - x; dest = BUF; i = 8 + x; } else { src = vs->buf; dest = BUF + x; if (x > 152) i = 160 - x; else i = 8; } pal = vs->pal; if (vs->pri) { bg = bgdup + (dest - BUF); while (i--) { b = src[i]; if (b && !(bg[i]&3)) dest[i] = pal|b; } } else if (hw.cgb) { bg = bgdup + (dest - BUF); pri = PRI + (dest - BUF); while (i--) { b = src[i]; if (b && (!pri[i] || !(bg[i]&3))) dest[i] = pal|b; } } else while (i--) if (src[i]) dest[i] = pal|src[i]; /* else while (i--) if (src[i]) dest[i] = 31 + ns; */ } // if (sprdebug) for (i = 0; i < NS; i++) BUF[i<<1] = 36; } void lcd_begin(void) { /* if (fb.indexed) { if (rgb332) pal_set332(); else pal_expire(); } while (scale * 160 > fb.w || scale * 144 > fb.h) scale--; */ vdest = fb.ptr + ((fb.w*fb.pelsize)>>1) - (80*fb.pelsize) + ((fb.h>>1) - 72) * fb.pitch; WY = R_WY; } void lcd_refreshline(void) { if (!fb.enabled) return; if(!insync) { if(R_LY!=0) return; else insync=1; } if (!(R_LCDC & 0x80)) return; /* should not happen... */ if ( (fb.mode==0&&(R_LY >= 128)) || (fb.mode==1&&(R_LY < 16)) || (fb.mode==2&&(R_LY<8||R_LY>=136)) || (fb.mode==3&&((R_LY%9)==8)) #if LCD_HEIGHT == 64 || (R_LY & 1) /* calculate only even lines */ #endif ) return; updatepatpix(); L = R_LY; X = R_SCX; Y = (R_SCY + L) & 0xff; S = X >> 3; T = Y >> 3; U = X & 7; V = Y & 7; WX = R_WX - 7; if (WY>L || WY<0 || WY>143 || WX<-7 || WX>159 || !(R_LCDC&0x20)) WX = 160; WT = (L - WY) >> 3; WV = (L - WY) & 7; spr_enum(); tilebuf(); if (hw.cgb) { bg_scan_color(); wnd_scan_color(); if (NS) { bg_scan_pri(); wnd_scan_pri(); } } else { bg_scan(); wnd_scan(); recolor(BUF+WX, 0x04, 160-WX); } spr_scan(); #ifdef GRAYSCALE if (scanline_ind == 3) #else if (scanline_ind == 7) #endif { if(fb.mode!=3) vid_update(L); else vid_update(L-((int)(L/9))); } #if LCD_HEIGHT == 64 scanline_ind = (scanline_ind+1) % 8; #else #ifdef GRAYSCALE scanline_ind = (scanline_ind+1) % 4; #else scanline_ind = (scanline_ind+1) % 8; #endif #endif } /* static void updatepalette(int i) { int c, r, g, b, y, u, v, rr, gg; c = (lcd.pal[i<<1] | ((int)lcd.pal[(i<<1)|1] << 8)) & 0x7FFF; r = (c & 0x001F) << 3; g = (c & 0x03E0) >> 2; b = (c & 0x7C00) >> 7; r |= (r >> 5); g |= (g >> 5); b |= (b >> 5); if (usefilter && (filterdmg||hw.cgb)) { rr = ((r * filter[0][0] + g * filter[0][1] + b * filter[0][2]) >> 8) + filter[0][3]; gg = ((r * filter[1][0] + g * filter[1][1] + b * filter[1][2]) >> 8) + filter[1][3]; b = ((r * filter[2][0] + g * filter[2][1] + b * filter[2][2]) >> 8) + filter[2][3]; r = rr; g = gg; } if (fb.yuv) { y = (((r * 263) + (g * 516) + (b * 100)) >> 10) + 16; u = (((r * 450) - (g * 377) - (b * 73)) >> 10) + 128; v = (((r * -152) - (g * 298) + (b * 450)) >> 10) + 128; if (y < 0) y = 0; if (y > 255) y = 255; if (u < 0) u = 0; if (u > 255) u = 255; if (v < 0) v = 0; if (v > 255) v = 255; PAL4[i] = (y<> fb.cc[0].r) << fb.cc[0].l; g = (g >> fb.cc[1].r) << fb.cc[1].l; b = (b >> fb.cc[2].r) << fb.cc[2].l; c = r|g|b; switch (fb.pelsize) { case 1: PAL1[i] = c; PAL2[i] = (c<<8) | c; PAL4[i] = (c<<24) | (c<<16) | (c<<8) | c; break; case 2: PAL2[i] = c; PAL4[i] = (c<<16) | c; break; case 3: case 4: PAL4[i] = c; break; } }*/ void pal_write(int i, byte b) { if (lcd.pal[i] == b) return; lcd.pal[i] = b; // updatepalette(i>>1); } void pal_write_dmg(int i, int mapnum, byte d) { int j; int *cmap = dmg_pal[mapnum]; int c, r, g, b; if (hw.cgb) return; /* if (mapnum >= 2) d = 0xe4; */ for (j = 0; j < 8; j += 2) { c = cmap[(d >> j) & 3]; r = (c & 0xf8) >> 3; g = (c & 0xf800) >> 6; b = (c & 0xf80000) >> 9; c = r|g|b; /* FIXME - handle directly without faking cgb */ pal_write(i+j, c & 0xff); pal_write(i+j+1, c >> 8); } } void vram_write(int a, byte b) { lcd.vbank[R_VBK&1][a] = b; if (a >= 0x1800) return; patdirty[((R_VBK&1)<<9)+(a>>4)] = 1; anydirty = 1; } void vram_dirty(void) { anydirty = 1; memset(patdirty, 1, sizeof patdirty); } void pal_dirty(void) { // int i; if (!hw.cgb) { pal_write_dmg(0, 0, R_BGP); pal_write_dmg(8, 1, R_BGP); pal_write_dmg(64, 2, R_OBP0); pal_write_dmg(72, 3, R_OBP1); } // for (i = 0; i < 64; i++) // updatepalette(i); } void lcd_reset(void) { memset(&lcd, 0, sizeof lcd); lcd_begin(); vram_dirty(); pal_dirty(); }