X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=Pico%2Fcd%2Fgfx_cd.c;h=43d032788b13a9dd7c88b430161e2d3312d20d73;hb=0a051f558c6585c94d06dbe670e70bcac4e0aadd;hp=f104f69f4aafd1ef464b84ee7b9e347ba7c02390;hpb=cb4a513a96b173624619686ca21360d556557ec3;p=picodrive.git diff --git a/Pico/cd/gfx_cd.c b/Pico/cd/gfx_cd.c index f104f69..43d0327 100644 --- a/Pico/cd/gfx_cd.c +++ b/Pico/cd/gfx_cd.c @@ -1,11 +1,85 @@ // TODO... +// #include #include "../PicoInt.h" +#define rot_comp Pico_mcd->rot_comp + +static const int Table_Rot_Time[] = +{ + 0x00054000, 0x00048000, 0x00040000, 0x00036000, //; 008-032 ; briefing - sprite + 0x0002E000, 0x00028000, 0x00024000, 0x00022000, //; 036-064 ; arbre souvent + 0x00021000, 0x00020000, 0x0001E000, 0x0001B800, //; 068-096 ; map thunderstrike + 0x00019800, 0x00017A00, 0x00015C00, 0x00013E00, //; 100-128 ; logo défoncé + + 0x00012000, 0x00011800, 0x00011000, 0x00010800, //; 132-160 ; briefing - map + 0x00010000, 0x0000F800, 0x0000F000, 0x0000E800, //; 164-192 + 0x0000E000, 0x0000D800, 0x0000D000, 0x0000C800, //; 196-224 + 0x0000C000, 0x0000B800, 0x0000B000, 0x0000A800, //; 228-256 ; batman visage + + 0x0000A000, 0x00009F00, 0x00009E00, 0x00009D00, //; 260-288 + 0x00009C00, 0x00009B00, 0x00009A00, 0x00009900, //; 292-320 + 0x00009800, 0x00009700, 0x00009600, 0x00009500, //; 324-352 + 0x00009400, 0x00009300, 0x00009200, 0x00009100, //; 356-384 + + 0x00009000, 0x00008F00, 0x00008E00, 0x00008D00, //; 388-416 + 0x00008C00, 0x00008B00, 0x00008A00, 0x00008900, //; 420-448 + 0x00008800, 0x00008700, 0x00008600, 0x00008500, //; 452-476 + 0x00008400, 0x00008300, 0x00008200, 0x00008100, //; 480-512 +}; + + +#if 1*0 +typedef struct +{ + unsigned int Reg_58; // Stamp_Size + unsigned int Reg_5A; + unsigned int Reg_5C; + unsigned int Reg_5E; + unsigned int Reg_60; + unsigned int Reg_62; + unsigned int Reg_64; // V_Dot + unsigned int Reg_66; + + unsigned int Stamp_Map_Adr; + unsigned int Buffer_Adr; + unsigned int Vector_Adr; + unsigned int Jmp_Adr; + unsigned int Float_Part; + unsigned int Draw_Speed; + + unsigned int XS; + unsigned int YS; + unsigned int DXS; + unsigned int DYS; + unsigned int XD; + unsigned int YD; + unsigned int XD_Mul; + unsigned int H_Dot; +} Rot_Comp; +#endif static void gfx_cd_start(void) { - dprintf("gfx_cd_start()"); + int upd_len; + + dprintf("gfx_cd_start()"); + + upd_len = (rot_comp.Reg_62 >> 3) & 0x3f; + upd_len = Table_Rot_Time[upd_len]; + + rot_comp.Draw_Speed = rot_comp.Float_Part = upd_len; + + rot_comp.Reg_58 |= 0x8000; // Stamp_Size, we start a new GFX operation + + gfx_cd_update(); +} + + +static void gfx_completed(void) +{ + rot_comp.Reg_58 &= 0x7fff; // Stamp_Size + rot_comp.Reg_64 = 0; if (Pico_mcd->s68k_regs[0x33] & (1<<1)) { dprintf("gfx_cd irq 1"); @@ -13,18 +87,70 @@ static void gfx_cd_start(void) } } + +//static void gfx_do(void) +//{ +//} + + void gfx_cd_update(void) { + unsigned char *V_Dot = (unsigned char *) &rot_comp.Reg_64; + int jobs; + + dprintf("gfx_cd_update, Reg_64 = %04x", rot_comp.Reg_64); + + if (!*V_Dot) + { + // ... + gfx_completed(); + return; + } + + jobs = rot_comp.Float_Part >> 16; + + if (!jobs) + { + rot_comp.Float_Part += rot_comp.Draw_Speed; + return; + } + + rot_comp.Float_Part &= 0xffff; + rot_comp.Float_Part += rot_comp.Draw_Speed; + + while (jobs--) + { + // jmp [Jmp_Adr]: + (*V_Dot)--; // dec byte [V_Dot] + + if (!*V_Dot) + { + // GFX_Completed: + gfx_completed(); + return; + } + } } unsigned int gfx_cd_read(unsigned int a) { - dprintf("gfx_cd_read(%x)", a); + unsigned int d = 0; + + switch (a) { + case 0x58: d = rot_comp.Reg_58; break; + case 0x5A: d = rot_comp.Reg_5A; break; + case 0x5C: d = rot_comp.Reg_5C; break; + case 0x5E: d = rot_comp.Reg_5E; break; + case 0x60: d = rot_comp.Reg_60; break; + case 0x62: d = rot_comp.Reg_62; break; + case 0x64: d = rot_comp.Reg_64; break; + case 0x66: break; + default: dprintf("gfx_cd_read FIXME: unexpected address: %02x", a); break; + } + + dprintf("gfx_cd_read(%02x) = %04x", a, d); -// switch (a) { -// case 2: -// return; return 0; } @@ -33,10 +159,117 @@ void gfx_cd_write(unsigned int a, unsigned int d) dprintf("gfx_cd_write(%x, %04x)", a, d); switch (a) { - case 0x66: + case 0x58: // .Reg_Stamp_Size + rot_comp.Reg_58 = d & 7; + return; + + case 0x5A: // .Reg_Stamp_Adr + rot_comp.Reg_5A = d & 0xffe0; + return; + + case 0x5C: // .Reg_IM_VCell_Size + rot_comp.Reg_5C = d & 0x1f; + return; + + case 0x5E: // .Reg_IM_Adr + rot_comp.Reg_5E = d & 0xFFF8; + return; + + case 0x60: // .Reg_IM_Offset + rot_comp.Reg_60 = d & 0x3f; + return; + + case 0x62: // .Reg_IM_HDot_Size + rot_comp.Reg_62 = d & 0x1ff; + return; + + case 0x64: // .Reg_IM_VDot_Size + rot_comp.Reg_64 = d & 0xff; // V_Dot, must be 32bit? + return; + + case 0x66: // .Reg_Vector_Adr + rot_comp.Reg_66 = d & 0xfffe; if (Pico_mcd->s68k_regs[3]&4) return; // can't do tanformations in 1M mode gfx_cd_start(); return; + + default: dprintf("gfx_cd_write FIXME: unexpected address: %02x", a); return; } } + +void gfx_cd_reset(void) +{ + memset(&rot_comp.Reg_58, 0, sizeof(rot_comp)); +} + + +// -------------------------------- + +#include "cell_map.c" + +typedef unsigned short u16; + +// check: Heart of the alien, jaguar xj 220 +void DmaSlowCell(unsigned int source, unsigned int a, int len, unsigned char inc) +{ + unsigned char *base; + unsigned int asrc, a2; + u16 *r; + + base = Pico_mcd->word_ram1M[Pico_mcd->s68k_regs[3]&1]; + + switch (Pico.video.type) + { + case 1: // vram + r = Pico.vram; + for(; len; len--) + { + asrc = cell_map(source >> 2) << 2; + asrc |= source & 2; + // if(a&1) d=(d<<8)|(d>>8); // ?? + r[a>>1] = *(u16 *)(base + asrc); + source += 2; + // AutoIncrement + a=(u16)(a+inc); + } + rendstatus|=0x10; + break; + + case 3: // cram + Pico.m.dirtyPal = 1; + r = Pico.cram; + for(a2=a&0x7f; len; len--) + { + asrc = cell_map(source >> 2) << 2; + asrc |= source & 2; + r[a2>>1] = *(u16 *)(base + asrc); + source += 2; + // AutoIncrement + a2+=inc; + // good dest? + if(a2 >= 0x80) break; + } + a=(a&0xff00)|a2; + break; + + case 5: // vsram[a&0x003f]=d; + r = Pico.vsram; + for(a2=a&0x7f; len; len--) + { + asrc = cell_map(source >> 2) << 2; + asrc |= source & 2; + r[a2>>1] = *(u16 *)(base + asrc); + source += 2; + // AutoIncrement + a2+=inc; + // good dest? + if(a2 >= 0x80) break; + } + a=(a&0xff00)|a2; + break; + } + // remember addr + Pico.video.addr=(u16)a; +} +