ebd63b52cd
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6136 a1c6a512-1295-4272-9138-f99709370657
965 lines
20 KiB
C
965 lines
20 KiB
C
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#include "config.h"
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#include "rockmacros.h"
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#include "defs.h"
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#include "regs.h"
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#include "hw.h"
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#include "mem.h"
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#include "lcd.h"
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#include "rc.h"
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#include "fb.h"
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#include "palette.h"
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#ifdef USE_ASM
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#include "asm.h"
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#endif
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struct lcd lcd;
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struct scan scan IDATA_ATTR;
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#define BG (scan.bg)
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#define WND (scan.wnd)
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#define BUF (scan.buf[scanline_ind])
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#define PRI (scan.pri)
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#define PAL1 (scan.pal1)
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#define PAL2 (scan.pal2)
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#define PAL4 (scan.pal4)
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#define VS (scan.vs) /* vissprites */
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#define NS (scan.ns)
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#define L (scan.l) /* line */
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#define X (scan.x) /* screen position */
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#define Y (scan.y)
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#define S (scan.s) /* tilemap position */
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#define T (scan.t)
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#define U (scan.u) /* position within tile */
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#define V (scan.v)
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#define WX (scan.wx)
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#define WY (scan.wy)
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#define WT (scan.wt)
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#define WV (scan.wv)
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byte patpix[4096][8][8];
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byte patdirty[1024];
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byte anydirty;
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// static int scale = 1;
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static int rgb332;
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static int sprsort = 1;
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static int sprdebug;
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static int scanline_ind=0,insync=0;
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#define DEF_PAL { 0x98d0e0, 0x68a0b0, 0x60707C, 0x2C3C3C }
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static int dmg_pal[4][4] = { DEF_PAL, DEF_PAL, DEF_PAL, DEF_PAL };
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static int usefilter, filterdmg;
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static int filter[3][4] = {
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{ 195, 25, 0, 35 },
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{ 25, 170, 25, 35 },
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{ 25, 60, 125, 40 }
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};
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rcvar_t lcd_exports[] =
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{
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RCV_BOOL("rgb332", &rgb332),
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RCV_VECTOR("dmg_bgp", dmg_pal[0], 4),
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RCV_VECTOR("dmg_wndp", dmg_pal[1], 4),
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RCV_VECTOR("dmg_obp0", dmg_pal[2], 4),
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RCV_VECTOR("dmg_obp1", dmg_pal[3], 4),
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RCV_BOOL("sprsort", &sprsort),
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RCV_BOOL("sprdebug", &sprdebug),
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RCV_BOOL("colorfilter", &usefilter),
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RCV_BOOL("filterdmg", &filterdmg),
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RCV_VECTOR("red", filter[0], 4),
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RCV_VECTOR("green", filter[1], 4),
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RCV_VECTOR("blue", filter[2], 4),
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RCV_END
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};
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static byte *vdest;
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#ifdef ALLOW_UNALIGNED_IO /* long long is ok since this is i386-only anyway? */
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#define MEMCPY8(d, s) ((*(long long *)(d)) = (*(long long *)(s)))
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#else
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#define MEMCPY8(d, s) memcpy((d), (s), 8)
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#endif
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#ifndef ASM_UPDATEPATPIX
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void updatepatpix(void)
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{
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int i, j;
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#if CONFIG_CPU != SH7034 || defined(SIMULATOR)
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int k, a, c;
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#endif
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byte *vram = lcd.vbank[0];
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if (!anydirty) return;
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for (i = 0; i < 1024; i++)
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{
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if (i == 384) i = 512;
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if (i == 896) break;
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if (!patdirty[i]) continue;
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patdirty[i] = 0;
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for (j = 0; j < 8; j++)
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{
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#if CONFIG_CPU == SH7034 && !defined(SIMULATOR)
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asm volatile (
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"mov.w @%2,r1 \n"
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"swap.b r1,r2 \n"
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"mov #0,r0 \n"
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"shlr r1 \n"
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"rotcl r0 \n"
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"shlr r2 \n"
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"rotcl r0 \n"
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"mov.b r0,@%0 \n"
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"mov.b r0,@(7,%1) \n"
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"mov #0,r0 \n"
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"shlr r1 \n"
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"rotcl r0 \n"
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"shlr r2 \n"
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"rotcl r0 \n"
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"mov.b r0,@(1,%0) \n"
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"mov.b r0,@(6,%1) \n"
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"mov #0,r0 \n"
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"shlr r1 \n"
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"rotcl r0 \n"
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"shlr r2 \n"
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"rotcl r0 \n"
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"mov.b r0,@(2,%0) \n"
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"mov.b r0,@(5,%1) \n"
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"mov #0,r0 \n"
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"shlr r1 \n"
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"rotcl r0 \n"
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"shlr r2 \n"
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"rotcl r0 \n"
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"mov.b r0,@(3,%0) \n"
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"mov.b r0,@(4,%1) \n"
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"mov #0,r0 \n"
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"shlr r1 \n"
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"rotcl r0 \n"
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"shlr r2 \n"
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"rotcl r0 \n"
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"mov.b r0,@(4,%0) \n"
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"mov.b r0,@(3,%1) \n"
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"mov #0,r0 \n"
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"shlr r1 \n"
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"rotcl r0 \n"
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"shlr r2 \n"
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"rotcl r0 \n"
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"mov.b r0,@(5,%0) \n"
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"mov.b r0,@(2,%1) \n"
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"mov #0,r0 \n"
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"shlr r1 \n"
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"rotcl r0 \n"
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"shlr r2 \n"
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"rotcl r0 \n"
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"mov.b r0,@(6,%0) \n"
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"mov.b r0,@(1,%1) \n"
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"mov #0,r0 \n"
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"shlr r1 \n"
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"rotcl r0 \n"
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"shlr r2 \n"
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"rotcl r0 \n"
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"mov.b r0,@(7,%0) \n"
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"mov.b r0,@%1 \n"
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: /* outputs */
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: /* inputs */
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/* %0 */ "r"(patpix[i+1024][j]),
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/* %1 */ "r"(patpix[i][j]),
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/* %2 */ "r"(&vram[(i<<4)|(j<<1)])
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: /* clobbers */
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"r0", "r1", "r2"
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);
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#else
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a = ((i<<4) | (j<<1));
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for (k = 0; k < 8; k++)
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{
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c = vram[a] & (1<<k) ? 1 : 0;
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c |= vram[a+1] & (1<<k) ? 2 : 0;
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patpix[i+1024][j][k] = c;
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}
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for (k = 0; k < 8; k++)
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patpix[i][j][k] =
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patpix[i+1024][j][7-k];
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#endif
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}
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#if CONFIG_CPU == SH7034 && !defined(SIMULATOR)
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asm volatile (
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"mov.l @%0,r0 \n"
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"mov.l @(4,%0),r1 \n"
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"mov.l r0,@(56,%1) \n"
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"mov.l r1,@(60,%1) \n"
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"mov.l @(8,%0),r0 \n"
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"mov.l @(12,%0),r1 \n"
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"mov.l r0,@(48,%1) \n"
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"mov.l r1,@(52,%1) \n"
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"mov.l @(16,%0),r0 \n"
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"mov.l @(20,%0),r1 \n"
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"mov.l r0,@(40,%1) \n"
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"mov.l r1,@(44,%1) \n"
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"mov.l @(24,%0),r0 \n"
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"mov.l @(28,%0),r1 \n"
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"mov.l r0,@(32,%1) \n"
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"mov.l r1,@(36,%1) \n"
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"mov.l @(32,%0),r0 \n"
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"mov.l @(36,%0),r1 \n"
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"mov.l r0,@(24,%1) \n"
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"mov.l r1,@(28,%1) \n"
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"mov.l @(40,%0),r0 \n"
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"mov.l @(44,%0),r1 \n"
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"mov.l r0,@(16,%1) \n"
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"mov.l r1,@(20,%1) \n"
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"mov.l @(48,%0),r0 \n"
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"mov.l @(52,%0),r1 \n"
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"mov.l r0,@(8,%1) \n"
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"mov.l r1,@(12,%1) \n"
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"mov.l @(56,%0),r0 \n"
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"mov.l @(60,%0),r1 \n"
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"mov.l r0,@%1 \n"
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"mov.l r1,@(4,%1) \n"
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"add %2,%0 \n"
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"add %2,%1 \n"
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"mov.l @%0,r0 \n"
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"mov.l @(4,%0),r1 \n"
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"mov.l r0,@(56,%1) \n"
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"mov.l r1,@(60,%1) \n"
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"mov.l @(8,%0),r0 \n"
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"mov.l @(12,%0),r1 \n"
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"mov.l r0,@(48,%1) \n"
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"mov.l r1,@(52,%1) \n"
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"mov.l @(16,%0),r0 \n"
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"mov.l @(20,%0),r1 \n"
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"mov.l r0,@(40,%1) \n"
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"mov.l r1,@(44,%1) \n"
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"mov.l @(24,%0),r0 \n"
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"mov.l @(28,%0),r1 \n"
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"mov.l r0,@(32,%1) \n"
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"mov.l r1,@(36,%1) \n"
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"mov.l @(32,%0),r0 \n"
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"mov.l @(36,%0),r1 \n"
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"mov.l r0,@(24,%1) \n"
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"mov.l r1,@(28,%1) \n"
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"mov.l @(40,%0),r0 \n"
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"mov.l @(44,%0),r1 \n"
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"mov.l r0,@(16,%1) \n"
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"mov.l r1,@(20,%1) \n"
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"mov.l @(48,%0),r0 \n"
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"mov.l @(52,%0),r1 \n"
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"mov.l r0,@(8,%1) \n"
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"mov.l r1,@(12,%1) \n"
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"mov.l @(56,%0),r0 \n"
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"mov.l @(60,%0),r1 \n"
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"mov.l r0,@%1 \n"
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"mov.l r1,@(4,%1) \n"
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: /* outputs */
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: /* inputs */
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/* %0 */ "r"(patpix[i][0]),
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/* %1 */ "r"(patpix[i+2048][0]),
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/* %2 */ "r"(1024*64)
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: /* clobbers */
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"r0", "r1"
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);
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#else
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for (j = 0; j < 8; j++)
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{
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for (k = 0; k < 8; k++)
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{
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patpix[i+2048][j][k] =
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patpix[i][7-j][k];
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patpix[i+3072][j][k] =
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patpix[i+1024][7-j][k];
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}
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}
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#endif
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}
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anydirty = 0;
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}
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#endif /* ASM_UPDATEPATPIX */
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void tilebuf(void)
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{
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int i, cnt;
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int base;
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byte *tilemap, *attrmap;
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int *tilebuf;
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int *wrap;
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static int wraptable[64] =
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{
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,-32
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};
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base = ((R_LCDC&0x08)?0x1C00:0x1800) + (T<<5) + S;
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tilemap = lcd.vbank[0] + base;
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attrmap = lcd.vbank[1] + base;
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tilebuf = BG;
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wrap = wraptable + S;
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cnt = ((WX + 7) >> 3) + 1;
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if (hw.cgb) {
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if (R_LCDC & 0x10)
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for (i = cnt; i > 0; i--)
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{
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*(tilebuf++) = *tilemap
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| (((int)*attrmap & 0x08) << 6)
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| (((int)*attrmap & 0x60) << 5);
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*(tilebuf++) = (((int)*attrmap & 0x07) << 2);
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attrmap += *wrap + 1;
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tilemap += *(wrap++) + 1;
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}
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else
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for (i = cnt; i > 0; i--)
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{
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*(tilebuf++) = (256 + ((n8)*tilemap))
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| (((int)*attrmap & 0x08) << 6)
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| (((int)*attrmap & 0x60) << 5);
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*(tilebuf++) = (((int)*attrmap & 0x07) << 2);
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attrmap += *wrap + 1;
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tilemap += *(wrap++) + 1;
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}
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}
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else
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{
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if (R_LCDC & 0x10)
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for (i = cnt; i > 0; i--)
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{
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*(tilebuf++) = *(tilemap++);
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tilemap += *(wrap++);
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}
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else
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for (i = cnt; i > 0; i--)
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{
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*(tilebuf++) = (256 + ((n8)*(tilemap++)));
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tilemap += *(wrap++);
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}
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}
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if (WX >= 160) return;
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base = ((R_LCDC&0x40)?0x1C00:0x1800) + (WT<<5);
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tilemap = lcd.vbank[0] + base;
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attrmap = lcd.vbank[1] + base;
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tilebuf = WND;
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cnt = ((160 - WX) >> 3) + 1;
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if (hw.cgb)
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{
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if (R_LCDC & 0x10)
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for (i = cnt; i > 0; i--)
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{
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*(tilebuf++) = *(tilemap++)
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| (((int)*attrmap & 0x08) << 6)
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| (((int)*attrmap & 0x60) << 5);
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*(tilebuf++) = (((int)*(attrmap++)&7) << 2);
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}
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else
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for (i = cnt; i > 0; i--)
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{
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*(tilebuf++) = (256 + ((n8)*(tilemap++)))
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| (((int)*attrmap & 0x08) << 6)
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| (((int)*attrmap & 0x60) << 5);
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*(tilebuf++) = (((int)*(attrmap++)&7) << 2);
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}
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}
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else
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{
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if (R_LCDC & 0x10)
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for (i = cnt; i > 0; i--)
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*(tilebuf++) = *(tilemap++);
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else
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for (i = cnt; i > 0; i--)
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*(tilebuf++) = (256 + ((n8)*(tilemap++)));
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}
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}
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// V = vertical line
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// WX = WND start (if 0, no need to do anything) -> WY
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// U = start...something...thingy... 7 at most
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void bg_scan(void)
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{
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int cnt;
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byte *src, *dest;
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int *tile;
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if (WX <= 0) return;
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cnt = WX;
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tile = BG;
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dest = BUF;
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src = patpix[*(tile++)][V] + U;
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memcpy(dest, src, 8-U);
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dest += 8-U;
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cnt -= 8-U;
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if (cnt <= 0) return;
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while (cnt >= 8)
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{
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src = patpix[*(tile++)][V];
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MEMCPY8(dest, src);
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dest += 8;
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cnt -= 8;
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}
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src = patpix[*tile][V];
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while (cnt--)
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*(dest++) = *(src++);
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}
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void wnd_scan(void)
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{
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int cnt;
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byte *src, *dest;
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int *tile;
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if (WX >= 160) return;
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cnt = 160 - WX;
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tile = WND;
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dest = BUF + WX;
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while (cnt >= 8)
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{
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src = patpix[*(tile++)][WV];
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MEMCPY8(dest, src);
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dest += 8;
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cnt -= 8;
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}
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src = patpix[*tile][WV];
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while (cnt--)
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*(dest++) = *(src++);
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}
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static void blendcpy(byte *dest, byte *src, byte b, int cnt)
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{
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while (cnt--) *(dest++) = *(src++) | b;
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}
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static int priused(void *attr)
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{
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un32 *a = attr;
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return (int)((a[0]|a[1]|a[2]|a[3]|a[4]|a[5]|a[6]|a[7])&0x80808080);
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}
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void bg_scan_pri(void)
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{
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int cnt, i;
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byte *src, *dest;
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if (WX <= 0) return;
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i = S;
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cnt = WX;
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dest = PRI;
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src = lcd.vbank[1] + ((R_LCDC&0x08)?0x1C00:0x1800) + (T<<5);
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if (!priused(src))
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{
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memset(dest, 0, cnt);
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return;
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}
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memset(dest, src[i++&31]&128, 8-U);
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dest += 8-U;
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cnt -= 8-U;
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if (cnt <= 0) return;
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while (cnt >= 8)
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{
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memset(dest, src[i++&31]&128, 8);
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dest += 8;
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cnt -= 8;
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}
|
|
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].l) | (y<<fb.cc[3].l)
|
|
| (u<<fb.cc[1].l) | (v<<fb.cc[2].l);
|
|
return;
|
|
}
|
|
|
|
if (fb.indexed)
|
|
{
|
|
pal_release(PAL1[i]);
|
|
c = pal_getcolor(c, r, g, b);
|
|
PAL1[i] = c;
|
|
PAL2[i] = (c<<8) | c;
|
|
PAL4[i] = (c<<24) | (c<<16) | (c<<8) | c;
|
|
return;
|
|
}
|
|
|
|
r = (r >> 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();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|