git.sur5r.net Git - cc65/blob - libsrc/plus4/plus4.inc

   1 ;
   2 ; Plus/4 generic definitions.
   3 ;
   4
   5
   6 ; ---------------------------------------------------------------------------
   7 ; Zero page, Commodore stuff
   8
   9 ST              = $90           ; IEC status byte
  10
  11 FNAM_LEN        = $AB           ; Length of filename
  12 SECADR          = $AD           ; Secondary address
  13 DEVNUM          = $AE           ; Device number
  14 KEY_COUNT       = $EF           ; Number of keys in input buffer
  15 CURS_X          = $CA           ; Cursor column
  16 CURS_Y          = $CD           ; Cursor row
  17 SCREEN_PTR      = $C8           ; Pointer to current char in text screen
  18 CRAM_PTR        = $EA           ; Pointer to current char in color RAM
  19
  20 CHARCOLOR       = $53B
  21 FKEY_COUNT      = $55D          ; Characters for function key
  22 FKEY_SPACE      = $55F          ; Function key definitions
  23 FKEY_ORIG       = $F3D2         ; Original definitions
  24
  25 ; ---------------------------------------------------------------------------
  26 ; Kernal routines
  27
  28 ; Direct entries
  29 CLRSCR          = $D88B
  30 KBDREAD         = $D8C1
  31
  32 ; ---------------------------------------------------------------------------
  33 ; Vector and other locations
  34
  35 IRQVec          = $0314
  36 BRKVec          = $0316
  37 NMIVec          = $0318
  38
  39 ; ---------------------------------------------------------------------------
  40 ; I/O
  41
  42 TED_T1LO        = $FF00
  43 TED_T1HI        = $FF01
  44 TED_T2LO        = $FF02
  45 TED_T2HI        = $FF03
  46 TED_T3LO        = $FF04
  47 TED_T4HI        = $FF05
  48 TED_KBD         = $FF08
  49 TED_CURSHI      = $FF0C
  50 TED_CURSLO      = $FF0D
  51 TED_V1FRQLO     = $FF0E
  52 TED_V2FRQLO     = $FF0F
  53 TED_V2FRQHI     = $FF10
  54 TED_BGCOLOR     = $FF15
  55 TED_COLOR1      = $FF16
  56 TED_COLOR2      = $FF17
  57 TED_COLOR3      = $FF18
  58 TED_BORDERCOLOR = $FF19
  59 TED_VLINEHI     = $FF1C
  60 TED_VLINELO     = $FF1D
  61 TED_HPOS        = $FF1E
  62 TED_ROMSEL      = $FF3E
  63 TED_RAMSEL      = $FF3F
  64
  65
  66