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 };
  48
  49 enum rtg_formats {
  50   RTGFMT_8BIT,
  51   RTGFMT_RBG565,
  52   RTGFMT_RGB32,
  53   RTGFMT_RGB555,
  54   RTGFMT_NUM,
  55 };
  56
  57 enum gfx_minterm_modes {
  58         MINTERM_FALSE,
  59         MINTERM_NOR,
  60         MINTERM_ONLYDST,
  61         MINTERM_NOTSRC,
  62         MINTERM_ONLYSRC,
  63         MINTERM_INVERT,
  64         MINTERM_EOR,
  65         MINTERM_NAND,
  66         MINTERM_AND,
  67         MINTERM_NEOR,
  68         MINTERM_DST,
  69         MINTERM_NOTONLYSRC,
  70         MINTERM_SRC,
  71         MINTERM_NOTONLYDST,
  72         MINTERM_OR,
  73         MINTERM_TRUE,
  74 };
  75
  76 enum gfx_draw_modes {
  77     DRAWMODE_JAM1 = 0,
  78     DRAWMODE_JAM2 = 1,
  79     DRAWMODE_COMPLEMENT = 2,
  80     DRAWMODE_INVERSVID = 4,
  81 };