git.sesse.net Git - pistorm/blob - platforms/amiga/rtg/rtg_driver_amiga/rtg_enums.h

   1 // SPDX-License-Identifier: MIT
   2
   3 // "Register" offsets for sending data to the RTG.
   4 enum pi_regs {
   5   RTG_COMMAND = 0x00,
   6   RTG_X1      = 0x02,
   7   RTG_X2      = 0x04,
   8   RTG_X3      = 0x06,
   9   RTG_Y1      = 0x08,
  10   RTG_Y2      = 0x0A,
  11   RTG_Y3      = 0x0C,
  12   RTG_FORMAT  = 0x0E,
  13   RTG_RGB1    = 0x10,
  14   RTG_RGB2    = 0x14,
  15   RTG_ADDR1   = 0x18,
  16   RTG_ADDR2   = 0x1C,
  17   RTG_U81     = 0x20,
  18   RTG_U82     = 0x21,
  19   RTG_U83     = 0x22,
  20   RTG_U84     = 0x23,
  21   RTG_X4      = 0x24,
  22   RTG_X5      = 0x26,
  23   RTG_Y4      = 0x28,
  24   RTG_Y5      = 0x2A,
  25   RTG_U1      = 0x2C,
  26   RTG_U2      = 0x2E,
  27   RTG_ADDR3   = 0x30,
  28   RTG_ADDR4   = 0x34,
  29 };
  30
  31 enum rtg_cmds {
  32   RTGCMD_SETGC,
  33   RTGCMD_SETPAN,
  34   RTGCMD_SETCLUT,
  35   RTGCMD_ENABLE,
  36   RTGCMD_SETDISPLAY,
  37   RTGCMD_SETSWITCH,
  38   RTGCMD_FILLRECT,
  39   RTGCMD_BLITRECT,
  40   RTGCMD_BLITRECT_NOMASK_COMPLETE,
  41   RTGCMD_BLITPATTERN,
  42   RTGCMD_BLITTEMPLATE,
  43   RTGCMD_INVERTRECT,
  44   RTGCMD_DRAWLINE,
  45   RTGCMD_P2C,
  46   RTGCMD_P2D,
  47   RTGCMD_SETSPRITE,
  48   RTGCMD_SETSPRITEPOS,
  49   RTGCMD_SETSPRITECOLOR,
  50   RTGCMD_SETSPRITEIMAGE,
  51   RTGCMD_DEBUGME,
  52 };
  53
  54 enum rtg_formats {
  55   RTGFMT_8BIT,
  56   RTGFMT_RBG565,
  57   RTGFMT_RGB32,
  58   RTGFMT_RGB555,
  59   RTGFMT_NUM,
  60 };
  61
  62 enum gfx_minterm_modes {
  63         MINTERM_FALSE,
  64         MINTERM_NOR,
  65         MINTERM_ONLYDST,
  66         MINTERM_NOTSRC,
  67         MINTERM_ONLYSRC,
  68         MINTERM_INVERT,
  69         MINTERM_EOR,
  70         MINTERM_NAND,
  71         MINTERM_AND,
  72         MINTERM_NEOR,
  73         MINTERM_DST,
  74         MINTERM_NOTONLYSRC,
  75         MINTERM_SRC,
  76         MINTERM_NOTONLYDST,
  77         MINTERM_OR,
  78         MINTERM_TRUE,
  79 };
  80
  81 enum gfx_draw_modes {
  82     DRAWMODE_JAM1 = 0,
  83     DRAWMODE_JAM2 = 1,
  84     DRAWMODE_COMPLEMENT = 2,
  85     DRAWMODE_INVERSVID = 4,
  86 };