2 ; PET generic definitions.
6 ; ---------------------------------------------------------------------------
7 ; Zero page, Commodore stuff
9 MEMSIZE := $34 ; Size of memory installed
10 TIME := $8D ; 60HZ clock
11 KEY_COUNT := $9E ; Number of keys in input buffer
12 RVS := $9F ; Reverse flag
13 CURS_FLAG := $A7 ; 1 = cursor off
14 CURS_BLINK := $A8 ; Blink counter
15 CURS_CHAR := $A9 ; Character under the cursor
16 CURS_STATE := $AA ; Cursor blink state
17 SCREEN_PTR := $C4 ; Pointer to current char in text screen
18 CURS_X := $C6 ; Cursor column
19 FNLEN := $D1 ; Length of filename
20 LFN := $D2 ; Current Logical File Number
21 SECADR := $D3 ; Secondary address
22 DEVNUM := $D4 ; Device number
23 SCR_LINELEN := $D5 ; Screen line length
24 CURS_Y := $D8 ; Cursor row
25 FNADR := $DA ; Pointer to file name
27 KEY_BUF := $26F ; Keyboard buffer
29 ;----------------------------------------------------------------------------
30 ; PET ROM type detection
38 ;----------------------------------------------------------------------------
39 ; Vector and other locations
45 ; ---------------------------------------------------------------------------