git.sesse.net Git - pistorm/blob - platforms/amiga/rtg/rtg.c

   1 // SPDX-License-Identifier: MIT
   2
   3 #include <stdint.h>
   4 #include <endian.h>
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <string.h>
   8 #include <time.h>
   9 #include "irtg_structs.h"
  10 #include "config_file/config_file.h"
  11 #include "rtg.h"
  12
  13 #include "m68k.h"
  14
  15 uint8_t rtg_u8[4];
  16 uint16_t rtg_x[8], rtg_y[8];
  17 uint16_t rtg_user[8];
  18 uint16_t rtg_format;
  19 uint32_t rtg_address[8];
  20 uint32_t rtg_address_adj[8];
  21 uint32_t rtg_rgb[8];
  22
  23 static uint8_t display_enabled = 0xFF;
  24
  25 uint16_t rtg_display_width, rtg_display_height;
  26 uint16_t rtg_display_format;
  27 uint16_t rtg_pitch, rtg_total_rows;
  28 uint16_t rtg_offset_x, rtg_offset_y;
  29
  30 uint8_t *rtg_mem; // FIXME
  31
  32 uint32_t framebuffer_addr = 0;
  33 uint32_t framebuffer_addr_adj = 0;
  34
  35 static void handle_rtg_command(uint32_t cmd);
  36 static void handle_irtg_command(uint32_t cmd);
  37
  38 uint8_t realtime_graphics_debug = 0;
  39 extern int cpu_emulation_running;
  40 extern struct emulator_config *cfg;
  41 extern uint8_t rtg_on;
  42
  43 //#define DEBUG_RTG
  44
  45 #ifdef DEBUG_RTG
  46 /*static const char *op_type_names[OP_TYPE_NUM] = {
  47     "BYTE",
  48     "WORD",
  49     "LONGWORD",
  50     "MEM",
  51 };*/
  52
  53 /*static const char *rtg_format_names[RTGFMT_NUM] = {
  54     "8BPP CLUT",
  55     "16BPP RGB (565)",
  56     "32BPP RGB (RGBA)",
  57     "15BPP RGB (555)",
  58 };*/
  59 #define DEBUG printf
  60 #else
  61 #define DEBUG(...)
  62 #endif
  63
  64 int init_rtg_data(struct emulator_config *cfg_) {
  65     rtg_mem = calloc(1, 40 * SIZE_MEGA);
  66     if (!rtg_mem) {
  67         printf("Failed to allocate RTG video memory.\n");
  68         return 0;
  69     }
  70
  71     m68k_add_ram_range(PIGFX_RTG_BASE + PIGFX_REG_SIZE, 32 * SIZE_MEGA - PIGFX_REG_SIZE, rtg_mem);
  72     add_mapping(cfg_, MAPTYPE_RAM_NOALLOC, PIGFX_RTG_BASE + PIGFX_REG_SIZE, 40 * SIZE_MEGA - PIGFX_REG_SIZE, -1, (char *)rtg_mem, "rtg_mem", 0);
  73     return 1;
  74 }
  75
  76 void shutdown_rtg() {
  77     printf("[RTG] Shutting down RTG.\n");
  78     if (rtg_on) {
  79         rtg_on = 0;
  80     }
  81     if (rtg_mem) {
  82
  83         free(rtg_mem);
  84         rtg_mem = NULL;
  85     }
  86 }
  87
  88 unsigned int rtg_get_fb() {
  89     return PIGFX_RTG_BASE + PIGFX_REG_SIZE + framebuffer_addr_adj;
  90 }
  91
  92 unsigned int rtg_read(uint32_t address, uint8_t mode) {
  93     //printf("%s read from RTG: %.8X\n", op_type_names[mode], address);
  94     if (address == RTG_COMMAND) {
  95         return 0xFFCF;
  96     }
  97     if (address >= PIGFX_REG_SIZE) {
  98         if (rtg_mem && (address - PIGFX_REG_SIZE) < PIGFX_UPPER) {
  99             switch (mode) {
 100                 case OP_TYPE_BYTE:
 101                     return (rtg_mem[address - PIGFX_REG_SIZE]);
 102                     break;
 103                 case OP_TYPE_WORD:
 104                     return be16toh(*(( uint16_t *) (&rtg_mem[address - PIGFX_REG_SIZE])));
 105                     break;
 106                 case OP_TYPE_LONGWORD:
 107                     return be32toh(*(( uint32_t *) (&rtg_mem[address - PIGFX_REG_SIZE])));
 108                     break;
 109                 default:
 110                     return 0;
 111             }
 112         }
 113     }
 114
 115     return 0;
 116 }
 117
 118 struct timespec diff(struct timespec start, struct timespec end)
 119 {
 120     struct timespec temp;
 121     if ((end.tv_nsec-start.tv_nsec)<0) {
 122         temp.tv_sec = end.tv_sec-start.tv_sec-1;
 123         temp.tv_nsec = 1000000000+end.tv_nsec-start.tv_nsec;
 124     } else {
 125         temp.tv_sec = end.tv_sec-start.tv_sec;
 126         temp.tv_nsec = end.tv_nsec-start.tv_nsec;
 127     }
 128     return temp;
 129 }
 130
 131 #define CHKREG(a, b) case a: b = value; break;
 132
 133 void rtg_write(uint32_t address, uint32_t value, uint8_t mode) {
 134     //printf("%s write to RTG: %.8X (%.8X)\n", op_type_names[mode], address, value);
 135     if (address >= PIGFX_REG_SIZE) {
 136         /*if ((address - PIGFX_REG_SIZE) < framebuffer_addr) {// || (address - PIGFX_REG_SIZE) > framebuffer_addr + ((rtg_display_width << rtg_display_format) * rtg_display_height)) {
 137             printf("Write to RTG memory outside frame buffer %.8X (%.8X).\n", (address - PIGFX_REG_SIZE), framebuffer_addr);
 138         }*/
 139         if (rtg_mem && (address - PIGFX_REG_SIZE) < PIGFX_UPPER) {
 140             switch (mode) {
 141                 case OP_TYPE_BYTE:
 142                     rtg_mem[address - PIGFX_REG_SIZE] = value;
 143                     break;
 144                 case OP_TYPE_WORD:
 145                     *(( uint16_t *) (&rtg_mem[address - PIGFX_REG_SIZE])) = htobe16(value);
 146                     break;
 147                 case OP_TYPE_LONGWORD:
 148                     *(( uint32_t *) (&rtg_mem[address - PIGFX_REG_SIZE])) = htobe32(value);
 149                     break;
 150                 default:
 151                     return;
 152             }
 153         }
 154     } else if (address == RTG_DEBUGME) {
 155         printf("RTG DEBUGME WRITE: %d.\n", value);
 156     } else {
 157         switch (mode) {
 158             case OP_TYPE_BYTE:
 159                 switch (address) {
 160                     CHKREG(RTG_U81, rtg_u8[0]);
 161                     CHKREG(RTG_U82, rtg_u8[1]);
 162                     CHKREG(RTG_U83, rtg_u8[2]);
 163                     CHKREG(RTG_U84, rtg_u8[3]);
 164                 }
 165                 break;
 166             case OP_TYPE_WORD:
 167                 switch (address) {
 168                     CHKREG(RTG_X1, rtg_x[0]);
 169                     CHKREG(RTG_X2, rtg_x[1]);
 170                     CHKREG(RTG_X3, rtg_x[2]);
 171                     CHKREG(RTG_X4, rtg_x[3]);
 172                     CHKREG(RTG_X5, rtg_x[4]);
 173                     CHKREG(RTG_Y1, rtg_y[0]);
 174                     CHKREG(RTG_Y2, rtg_y[1]);
 175                     CHKREG(RTG_Y3, rtg_y[2]);
 176                     CHKREG(RTG_Y4, rtg_y[3]);
 177                     CHKREG(RTG_Y5, rtg_y[4]);
 178                     CHKREG(RTG_U1, rtg_user[0]);
 179                     CHKREG(RTG_U2, rtg_user[1]);
 180                     CHKREG(RTG_FORMAT, rtg_format);
 181                     case RTG_COMMAND:
 182                         handle_rtg_command(value);
 183                         break;
 184                     case IRTG_COMMAND:
 185                         handle_irtg_command(value);
 186                         break;
 187                 }
 188                 break;
 189             case OP_TYPE_LONGWORD:
 190                 switch (address) {
 191                     case RTG_ADDR1:
 192                         rtg_address[0] = value;
 193                         rtg_address_adj[0] = value - (PIGFX_RTG_BASE + PIGFX_REG_SIZE);
 194                         break;
 195                     case RTG_ADDR2:
 196                         rtg_address[1] = value;
 197                         rtg_address_adj[1] = value - (PIGFX_RTG_BASE + PIGFX_REG_SIZE);
 198                         break;
 199                     CHKREG(RTG_ADDR3, rtg_address[2]);
 200                     CHKREG(RTG_ADDR4, rtg_address[3]);
 201                     CHKREG(RTG_RGB1, rtg_rgb[0]);
 202                     CHKREG(RTG_RGB2, rtg_rgb[1]);
 203                 }
 204                 break;
 205         }
 206     }
 207
 208     return;
 209 }
 210
 211 #define gdebug(a) if (realtime_graphics_debug) { printf(a); m68k_end_timeslice(); cpu_emulation_running = 0; }
 212 #define M68KR(a) m68k_get_reg(NULL, a)
 213 #define RGBF_D7 rgbf_to_rtg[M68KR(M68K_REG_D7)]
 214 #define CMD_PITCH be16toh(r->BytesPerRow)
 215
 216 static struct P96RenderInfo *r;
 217 static struct P96BoardInfo *b;
 218 static struct P96Line *ln;
 219 static uint8_t cmd_mask;
 220
 221 static void handle_irtg_command(uint32_t cmd) {
 222     b = (struct P96BoardInfo *)get_mapped_data_pointer_by_address(cfg, M68KR(M68K_REG_A0));
 223     r = (struct P96RenderInfo *)get_mapped_data_pointer_by_address(cfg, M68KR(M68K_REG_A1));
 224
 225     switch (cmd) {
 226         case RTGCMD_SETPAN: {
 227             // A0: struct BoardInfo *b, A1: UBYTE *addr, D0 UWORD width, D1: WORD x_offset, D2: WORD y_offset, D7: RGBFTYPE format
 228 #ifdef DEBUG_RTG
 229             if (realtime_graphics_debug) {
 230                 printf("iSetPanning begin\n");
 231                 printf("IRTGCmd SetPanning\n");
 232                 printf("IRTGCmd x: %d y: %d w: %d (%d)\n", M68KR(M68K_REG_D1), M68KR(M68K_REG_D2), M68KR(M68K_REG_D0) << RGBF_D7, M68KR(M68K_REG_D0));
 233                 printf("BoardInfo: %.8X Addr: %.8X\n", M68KR(M68K_REG_A0), M68KR(M68K_REG_A1));
 234                 printf("BoardInfo Xoffs: %d Yoffs: %d\n", be16toh(b->XOffset), be16toh(b->YOffset));
 235             }
 236 #endif
 237             if (!b) break;
 238
 239             b->XOffset = (int16_t)htobe16(M68KR(M68K_REG_D1));
 240             b->YOffset = (int16_t)htobe16(M68KR(M68K_REG_D2));
 241
 242             rtg_offset_x = M68KR(M68K_REG_D1);
 243             rtg_offset_y = M68KR(M68K_REG_D2);
 244             rtg_pitch = (M68KR(M68K_REG_D0) << RGBF_D7);
 245             framebuffer_addr = M68KR(M68K_REG_A1) - (PIGFX_RTG_BASE + PIGFX_REG_SIZE);
 246             framebuffer_addr_adj = framebuffer_addr + (rtg_offset_x << RGBF_D7) + (rtg_offset_y * rtg_pitch);
 247
 248 #ifdef DEBUG_RTG
 249             if (realtime_graphics_debug) {
 250                 printf("RTG OffsetX/Y: %d/%d\n", rtg_offset_x, rtg_offset_y);
 251                 printf("RTG Pitch: %d\n", rtg_pitch);
 252                 printf("RTG FBAddr/Adj: %.8X (%.8X)/%.8X\n", framebuffer_addr, M68KR(M68K_REG_A1), framebuffer_addr_adj);
 253                 printf("iSetPanning End\n");
 254             }
 255 #endif
 256
 257             break;
 258         }
 259         case RTGCMD_DRAWLINE: {
 260             // A0: struct BoardInfo *b, A1: RenderInfo *r A2: struct Line *l, D0: UBYTE mask, D7: RGBFTYPE format
 261             gdebug("iDrawLine begin\n");
 262             ln = (struct P96Line *)get_mapped_data_pointer_by_address(cfg, M68KR(M68K_REG_A2));
 263
 264             if (!ln || !r) break;
 265
 266             cmd_mask = (uint8_t)M68KR(M68K_REG_D0);
 267             rtg_address_adj[0] = be32toh(r->_p_Memory) - (PIGFX_RTG_BASE + PIGFX_REG_SIZE);
 268
 269             if (cmd_mask == 0xFF && be16toh(ln->LinePtrn) == 0xFFFF) {
 270                 rtg_drawline_solid(be16toh(ln->X), be16toh(ln->Y), be16toh(ln->dX), be16toh(ln->dY),
 271                                    be16toh(ln->Length), be32toh(ln->FgPen), CMD_PITCH, RGBF_D7);
 272             } else {
 273                 rtg_drawline(be16toh(ln->X), be16toh(ln->Y), be16toh(ln->dX), be16toh(ln->dY),
 274                              be16toh(ln->Length), be16toh(ln->LinePtrn), be16toh(ln->PatternShift),
 275                              be32toh(ln->FgPen), be32toh(ln->BgPen), CMD_PITCH,
 276                              RGBF_D7, cmd_mask, ln->DrawMode);
 277             }
 278             gdebug("iDrawLine end\n");
 279             break;
 280         }
 281         case RTGCMD_FILLRECT: {
 282             // A0: BoardInfo *b, A1: RenderInfo *r
 283             // D0 WORD x, D1: WORD y, D2: WORD w, D3: WORD h
 284             // D4: ULONG color, D5: UBYTE mask, D7: RGBFTYPE format
 285             gdebug("iFillRect begin\n");
 286 #ifdef DEBUG_RTG
 287             if (realtime_graphics_debug) {
 288                 DEBUG("X1/X2: %d/%d-> X2/Y2: %d/%d\n", (int16_t)M68KR(M68K_REG_D0), (int16_t)M68KR(M68K_REG_D1), (int16_t)M68KR(M68K_REG_D2), (int16_t)M68KR(M68K_REG_D3));
 289                 DEBUG("R: %.8X B: %.8X\n", M68KR(M68K_REG_A0), M68KR(M68K_REG_A1));
 290             }
 291 #endif
 292
 293             if (!b || !r) break;
 294
 295             cmd_mask = (uint8_t)M68KR(M68K_REG_D5);
 296             rtg_address_adj[0] = be32toh(r->_p_Memory) - (PIGFX_RTG_BASE + PIGFX_REG_SIZE);
 297
 298             if (cmd_mask == 0xFF) {
 299                 rtg_fillrect_solid((int16_t)M68KR(M68K_REG_D0), (int16_t)M68KR(M68K_REG_D1), (int16_t)M68KR(M68K_REG_D2), (int16_t)M68KR(M68K_REG_D3),
 300                                    M68KR(M68K_REG_D4), CMD_PITCH, RGBF_D7);
 301             } else {
 302                 rtg_fillrect((int16_t)M68KR(M68K_REG_D0), (int16_t)M68KR(M68K_REG_D1), (int16_t)M68KR(M68K_REG_D2), (int16_t)M68KR(M68K_REG_D3),
 303                              M68KR(M68K_REG_D4), CMD_PITCH, RGBF_D7, cmd_mask);
 304             }
 305             gdebug("iFillRect end\n");
 306             break;
 307         }
 308         case RTGCMD_INVERTRECT: {
 309             // A0: BoardInfo *b, A1: RenderInfo *r
 310             // D0 WORD x, D1: WORD y, D2: WORD w, D3: WORD h
 311             // D4: UBYTE mask, D7: RGBFTYPE format
 312             gdebug("iInvertRect begin\n");
 313             if (!b || !r) break;
 314
 315             cmd_mask = (uint8_t)M68KR(M68K_REG_D4);
 316             rtg_address_adj[0] = be32toh(r->_p_Memory) - (PIGFX_RTG_BASE + PIGFX_REG_SIZE);
 317
 318             rtg_invertrect((int16_t)M68KR(M68K_REG_D0), (int16_t)M68KR(M68K_REG_D1), (int16_t)M68KR(M68K_REG_D2), (int16_t)M68KR(M68K_REG_D3), CMD_PITCH, RGBF_D7, cmd_mask);
 319             gdebug("iInvertRect end\n");
 320             break;
 321         }
 322         case RTGCMD_BLITRECT: {
 323             // A0: BoardInfo *b, A1: RenderInfo *r)
 324             // D0: WORD x, D1: WORD y, D2: WORD dx, D3: WORD dy, D4: WORD w, D5: WORD h,
 325             // D6: UBYTE mask, D7: RGBFTYPE format
 326             gdebug("iBlitRect begin\n");
 327
 328             cmd_mask = (uint8_t)M68KR(M68K_REG_D6);
 329             rtg_address_adj[0] = be32toh(r->_p_Memory) - (PIGFX_RTG_BASE + PIGFX_REG_SIZE);
 330
 331             if (cmd_mask == 0xFF) {
 332                 rtg_blitrect_solid(M68KR(M68K_REG_D0), M68KR(M68K_REG_D1), M68KR(M68K_REG_D2), M68KR(M68K_REG_D3), M68KR(M68K_REG_D4), M68KR(M68K_REG_D5), CMD_PITCH, RGBF_D7);
 333             } else {
 334                 rtg_blitrect(M68KR(M68K_REG_D0), M68KR(M68K_REG_D1), M68KR(M68K_REG_D2), M68KR(M68K_REG_D3), M68KR(M68K_REG_D4), M68KR(M68K_REG_D5), CMD_PITCH, RGBF_D7, cmd_mask);
 335             }
 336
 337             gdebug("iBlitRect end\n");
 338             break;
 339         }
 340         case RTGCMD_BLITRECT_NOMASK_COMPLETE: {
 341             // A0: BoardInfo *b, A1: RenderInfo *rs, A2: RenderInfo *rt,
 342             // D0: WORD x, D1: WORD y, D2: WORD dx, D3: WORD dy, D4: WORD w, D5: WORD h,
 343             // D6: UBYTE minterm, D7: RGBFTYPE format
 344             gdebug("iBlitRectNoMaskComplete begin\n");
 345
 346             uint8_t minterm = (uint8_t)M68KR(M68K_REG_D6);
 347             struct P96RenderInfo *rt = (struct P96RenderInfo *)get_mapped_data_pointer_by_address(cfg, M68KR(M68K_REG_A2));
 348
 349             uint32_t src_addr = be32toh(r->_p_Memory);
 350             uint32_t dst_addr = be32toh(rt->_p_Memory);
 351
 352             rtg_blitrect_nomask_complete(M68KR(M68K_REG_D0), M68KR(M68K_REG_D1), M68KR(M68K_REG_D2), M68KR(M68K_REG_D3), M68KR(M68K_REG_D4), M68KR(M68K_REG_D5),
 353                                          CMD_PITCH, be16toh(rt->BytesPerRow), src_addr, dst_addr, RGBF_D7, minterm);
 354
 355             gdebug("iBlitRectNoMaskComplete end\n");
 356             break;
 357         }
 358         default:
 359             printf("[!!!IRTG] Unnkonw/unhandled iRTG command %d.\n", cmd);
 360             break;
 361     }
 362 }
 363
 364 static void handle_rtg_command(uint32_t cmd) {
 365   //printf("Handling RTG command %d (%.8X)\n", cmd, cmd);
 366     switch (cmd) {
 367         case RTGCMD_SETGC:
 368             rtg_display_format = rtg_format;
 369             rtg_display_width = rtg_x[0];
 370             rtg_display_height = rtg_y[0];
 371             if (rtg_u8[0]) {
 372                 //rtg_pitch = rtg_display_width << rtg_format;
 373                 framebuffer_addr_adj = framebuffer_addr + (rtg_offset_x << rtg_display_format) + (rtg_offset_y * rtg_pitch);
 374                 rtg_total_rows = rtg_y[1];
 375             }
 376             else {
 377                 //rtg_pitch = rtg_display_width << rtg_format;
 378                 framebuffer_addr_adj = framebuffer_addr + (rtg_offset_x << rtg_display_format) + (rtg_offset_y * rtg_pitch);
 379                 rtg_total_rows = rtg_y[1];
 380             }
 381             //printf("Set RTG mode:\n");
 382             //printf("%dx%d pixels\n", rtg_display_width, rtg_display_height);
 383             //printf("Pixel format: %s\n", rtg_format_names[rtg_display_format]);
 384             break;
 385         case RTGCMD_SETPAN:
 386             //printf("Command: SetPan.\n");
 387             rtg_offset_x = rtg_x[1];
 388             rtg_offset_y = rtg_y[1];
 389             rtg_pitch = (rtg_x[0] << rtg_display_format);
 390             framebuffer_addr = rtg_address[0] - (PIGFX_RTG_BASE + PIGFX_REG_SIZE);
 391             framebuffer_addr_adj = framebuffer_addr + (rtg_offset_x << rtg_display_format) + (rtg_offset_y * rtg_pitch);
 392             break;
 393         case RTGCMD_SETCLUT: {
 394             //printf("Command: SetCLUT.\n");
 395             //printf("Set palette entry %d to %d, %d, %d\n", rtg_u8[0], rtg_u8[1], rtg_u8[2], rtg_u8[3]);
 396             //printf("Set palette entry %d to 32-bit palette color: %.8X\n", rtg_u8[0], rtg_rgb[0]);
 397             rtg_set_clut_entry(rtg_u8[0], rtg_rgb[0]);
 398             break;
 399         }
 400         case RTGCMD_SETDISPLAY:
 401             //printf("RTG SetDisplay %s\n", (rtg_u8[1]) ? "enabled" : "disabled");
 402             // I remeber wrongs.
 403             //printf("Command: SetDisplay.\n");
 404             break;
 405         case RTGCMD_ENABLE:
 406         case RTGCMD_SETSWITCH:
 407             //printf("RTG SetSwitch %s\n", ((rtg_x[0]) & 0x01) ? "enabled" : "disabled");
 408             //printf("LAL: %.4X\n", rtg_x[0]);
 409             if (display_enabled != ((rtg_x[0]) & 0x01)) {
 410                 display_enabled = ((rtg_x[0]) & 0x01);
 411                 if (display_enabled) {
 412                     rtg_init_display();
 413                 }
 414                 else
 415                     rtg_shutdown_display();
 416             }
 417             break;
 418         case RTGCMD_FILLRECT:
 419             if (rtg_u8[0] == 0xFF || rtg_format != RTGFMT_8BIT) {
 420                 rtg_fillrect_solid(rtg_x[0], rtg_y[0], rtg_x[1], rtg_y[1], rtg_rgb[0], rtg_x[2], rtg_format);
 421                 gdebug("FillRect Solid\n");
 422             }
 423             else {
 424                 rtg_fillrect(rtg_x[0], rtg_y[0], rtg_x[1], rtg_y[1], rtg_rgb[0], rtg_x[2], rtg_format, rtg_u8[0]);
 425                 gdebug("FillRect Masked\n");
 426             }
 427             break;
 428         case RTGCMD_INVERTRECT:
 429             rtg_invertrect(rtg_x[0], rtg_y[0], rtg_x[1], rtg_y[1], rtg_x[2], rtg_format, rtg_u8[0]);
 430             gdebug("InvertRect\n");
 431             break;
 432         case RTGCMD_BLITRECT:
 433             if (rtg_u8[0] == 0xFF || rtg_format != RTGFMT_8BIT) {
 434                 rtg_blitrect_solid(rtg_x[0], rtg_y[0], rtg_x[1], rtg_y[1], rtg_x[2], rtg_y[2], rtg_x[3], rtg_format);
 435                 gdebug("BlitRect Solid\n");
 436             }
 437             else {
 438                 rtg_blitrect(rtg_x[0], rtg_y[0], rtg_x[1], rtg_y[1], rtg_x[2], rtg_y[2], rtg_x[3], rtg_format, rtg_u8[0]);
 439                 gdebug("BlitRect Masked\n");
 440             }
 441             break;
 442         case RTGCMD_BLITRECT_NOMASK_COMPLETE:
 443             rtg_blitrect_nomask_complete(rtg_x[0], rtg_y[0], rtg_x[1], rtg_y[1], rtg_x[2], rtg_y[2], rtg_x[3], rtg_x[4], rtg_address[0], rtg_address[1], rtg_format, rtg_u8[0]);
 444             gdebug("BlitRectNoMaskComplete\n");
 445             break;
 446         case RTGCMD_BLITPATTERN:
 447             rtg_blitpattern(rtg_x[0], rtg_y[0], rtg_x[1], rtg_y[1], rtg_address[0], rtg_rgb[0], rtg_rgb[1], rtg_x[3], rtg_format, rtg_x[2], rtg_y[2], rtg_u8[0], rtg_u8[1], rtg_u8[2]);
 448             gdebug("BlitPattern\n");
 449             return;
 450         case RTGCMD_BLITTEMPLATE:
 451             rtg_blittemplate(rtg_x[0], rtg_y[0], rtg_x[1], rtg_y[1], rtg_address[0], rtg_rgb[0], rtg_rgb[1], rtg_x[3], rtg_x[4], rtg_format, rtg_x[2], rtg_u8[0], rtg_u8[1]);
 452             gdebug("BlitTemplate\n");
 453             break;
 454         case RTGCMD_DRAWLINE:
 455             if (rtg_u8[0] == 0xFF && rtg_y[2] == 0xFFFF)
 456                 rtg_drawline_solid(rtg_x[0], rtg_y[0], rtg_x[1], rtg_y[1], rtg_x[2], rtg_rgb[0], rtg_x[3], rtg_format);
 457             else
 458                 rtg_drawline(rtg_x[0], rtg_y[0], rtg_x[1], rtg_y[1], rtg_x[2], rtg_y[2], rtg_x[4], rtg_rgb[0], rtg_rgb[1], rtg_x[3], rtg_format, rtg_u8[0], rtg_u8[1]);
 459             gdebug("DrawLine\n");
 460             break;
 461         case RTGCMD_P2C:
 462             rtg_p2c(rtg_x[0], rtg_y[0], rtg_x[1], rtg_y[1], rtg_x[2], rtg_y[2], rtg_u8[1], rtg_u8[2], rtg_u8[0], (rtg_user[0] >> 0x8), rtg_x[4], (uint8_t *)&rtg_mem[rtg_address_adj[1]]);
 463             gdebug("Planar2Chunky\n");
 464             break;
 465         case RTGCMD_P2D:
 466             rtg_p2d(rtg_x[0], rtg_y[0], rtg_x[1], rtg_y[1], rtg_x[2], rtg_y[2], rtg_u8[1], rtg_u8[2], rtg_u8[0], (rtg_user[0] >> 0x8), rtg_x[4], (uint8_t *)&rtg_mem[rtg_address_adj[1]]);
 467             gdebug("Planar2Direct\n");
 468             break;
 469         case RTGCMD_SETSPRITE:
 470             rtg_enable_mouse_cursor();
 471             gdebug("SetSprite\n");
 472             break;
 473         case RTGCMD_SETSPRITECOLOR:
 474             rtg_set_cursor_clut_entry(rtg_u8[0], rtg_u8[1], rtg_u8[2], rtg_u8[3]);
 475             gdebug("SetSpriteColor\n");
 476             break;
 477         case RTGCMD_SETSPRITEPOS:
 478             rtg_set_mouse_cursor_pos((int16_t)rtg_x[0], (int16_t)rtg_y[0]);
 479             gdebug("SetSpritePos\n");
 480             break;
 481         case RTGCMD_SETSPRITEIMAGE:
 482             rtg_set_mouse_cursor_image(&rtg_mem[rtg_address_adj[1]], rtg_u8[0], rtg_u8[1]);
 483             gdebug("SetSpriteImage\n");
 484             break;
 485         case RTGCMD_DEBUGME:
 486             printf ("[RTG] DebugMe!\n");
 487             break;
 488         default:
 489             printf("[!!!RTG] Unknown/unhandled RTG command %d ($%.4X)\n", cmd, cmd);
 490             break;
 491     }
 492 }