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 TMPPTR          = $22           ; Temporary ptr used by BASIC
  10 ST              = $90           ; IEC status byte
  11 TIME            = $A3           ; 60HZ clock
  12 FNAM_LEN        = $AB           ; Length of filename
  13 LFN             = $AC           ; Logical file number
  14 SECADR          = $AD           ; Secondary address
  15 DEVNUM          = $AE           ; Device number
  16 FNAM_ADR        = $AF           ; Pointer to filename for OPEN
  17 KEY_COUNT       = $EF           ; Number of keys in input buffer
  18 RVS             = $C2           ; Reverse flag
  19 CURS_X          = $CA           ; Cursor column
  20 CURS_Y          = $CD           ; Cursor row
  21 SCREEN_PTR      = $C8           ; Pointer to current char in text screen
  22 CRAM_PTR        = $EA           ; Pointer to current char in color RAM
  23
  24 INBUF           = $25E          ; BASIC Input buffer
  25 CHARCOLOR       = $53B
  26 FKEY_COUNT      = $55D          ; Characters for function key
  27 FKEY_SPACE      = $55F          ; Function key definitions
  28 FKEY_ORIG       = $F3D2         ; Original definitions
  29
  30 ; ---------------------------------------------------------------------------
  31 ; Kernal routines
  32
  33 ; Direct entries
  34 CLRSCR          = $D88B
  35 KBDREAD         = $D8C1
  36
  37 ; ---------------------------------------------------------------------------
  38 ; Vector and other locations
  39
  40 IRQVec          = $0314
  41 BRKVec          = $0316
  42 NMIVec          = $0318
  43
  44 ; ---------------------------------------------------------------------------
  45 ; Screen size
  46
  47 XSIZE           = 40
  48 YSIZE           = 25
  49
  50 ; ---------------------------------------------------------------------------
  51 ; I/O
  52
  53 TED_T1LO        = $FF00
  54 TED_T1HI        = $FF01
  55 TED_T2LO        = $FF02
  56 TED_T2HI        = $FF03
  57 TED_T3LO        = $FF04
  58 TED_T4HI        = $FF05
  59 TED_MULTI1      = $FF07
  60 TED_KBD         = $FF08
  61 TED_CURSHI      = $FF0C
  62 TED_CURSLO      = $FF0D
  63 TED_V1FRQLO     = $FF0E
  64 TED_V2FRQLO     = $FF0F
  65 TED_V2FRQHI     = $FF10
  66 TED_BGCOLOR     = $FF15
  67 TED_COLOR1      = $FF16
  68 TED_COLOR2      = $FF17
  69 TED_COLOR3      = $FF18
  70 TED_BORDERCOLOR = $FF19
  71 TED_VLINEHI     = $FF1C
  72 TED_VLINELO     = $FF1D
  73 TED_HPOS        = $FF1E
  74 TED_ROMSEL      = $FF3E
  75 TED_RAMSEL      = $FF3F
  76
  77 ; ---------------------------------------------------------------------------
  78 ; RAM/ROM selection addresses
  79
  80 ENABLE_ROM      = TED_ROMSEL
  81 ENABLE_RAM      = TED_RAMSEL
  82
  83