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 TIME            = $A3           ; 60HZ clock
  12 FNAM_LEN        = $AB           ; Length of filename
  13 SECADR          = $AD           ; Secondary address
  14 DEVNUM          = $AE           ; Device number
  15 KEY_COUNT       = $EF           ; Number of keys in input buffer
  16 CURS_X          = $CA           ; Cursor column
  17 CURS_Y          = $CD           ; Cursor row
  18 SCREEN_PTR      = $C8           ; Pointer to current char in text screen
  19 CRAM_PTR        = $EA           ; Pointer to current char in color RAM
  20
  21 CHARCOLOR       = $53B
  22 FKEY_COUNT      = $55D          ; Characters for function key
  23 FKEY_SPACE      = $55F          ; Function key definitions
  24 FKEY_ORIG       = $F3D2         ; Original definitions
  25
  26 ; ---------------------------------------------------------------------------
  27 ; Kernal routines
  28
  29 ; Direct entries
  30 CLRSCR          = $D88B
  31 KBDREAD         = $D8C1
  32
  33 ; ---------------------------------------------------------------------------
  34 ; Vector and other locations
  35
  36 IRQVec          = $0314
  37 BRKVec          = $0316
  38 NMIVec          = $0318
  39
  40 ; ---------------------------------------------------------------------------
  41 ; I/O
  42
  43 TED_T1LO        = $FF00
  44 TED_T1HI        = $FF01
  45 TED_T2LO        = $FF02
  46 TED_T2HI        = $FF03
  47 TED_T3LO        = $FF04
  48 TED_T4HI        = $FF05
  49 TED_KBD         = $FF08
  50 TED_CURSHI      = $FF0C
  51 TED_CURSLO      = $FF0D
  52 TED_V1FRQLO     = $FF0E
  53 TED_V2FRQLO     = $FF0F
  54 TED_V2FRQHI     = $FF10
  55 TED_BGCOLOR     = $FF15
  56 TED_COLOR1      = $FF16
  57 TED_COLOR2      = $FF17
  58 TED_COLOR3      = $FF18
  59 TED_BORDERCOLOR = $FF19
  60 TED_VLINEHI     = $FF1C
  61 TED_VLINELO     = $FF1D
  62 TED_HPOS        = $FF1E
  63 TED_ROMSEL      = $FF3E
  64 TED_RAMSEL      = $FF3F
  65
  66
  67