-ST = $90 ; IEC status byte
-
-TIME = $A0 ; 60 HZ clock
-FNAM_LEN = $B7 ; Length of filename
-SECADR = $B9 ; Secondary address
-DEVNUM = $BA ; Device number
-KEY_COUNT = $C6 ; Number of keys in input buffer
-RVS = $C7 ; Reverse flag
-CURS_FLAG = $CC ; 1 = cursor off
-CURS_BLINK = $CD ; Blink counter
-CURS_CHAR = $CE ; Character under the cursor
-CURS_STATE = $CF ; Cursor blink state
-SCREEN_PTR = $D1 ; Pointer to current char in text screen
-CURS_X = $D3 ; Cursor column
-CURS_Y = $D6 ; Cursor row
-CRAM_PTR = $F3 ; Pointer to current char in color RAM
-
-CHARCOLOR = $286
-CURS_COLOR = $287 ; Color under the cursor
-PALFLAG = $2A6 ; $01 = PAL, $00 = NTSC
+ST := $90 ; IEC status byte
+
+TIME := $A0 ; 60 HZ clock
+FNAM_LEN := $B7 ; Length of filename
+SECADR := $B9 ; Secondary address
+DEVNUM := $BA ; Device number
+FNAM := $BB ; Pointer to filename
+KEY_COUNT := $C6 ; Number of keys in input buffer
+RVS := $C7 ; Reverse flag
+CURS_FLAG := $CC ; 1 = cursor off
+CURS_BLINK := $CD ; Blink counter
+CURS_CHAR := $CE ; Character under the cursor
+CURS_STATE := $CF ; Cursor blink state
+SCREEN_PTR := $D1 ; Pointer to current char in text screen
+CURS_X := $D3 ; Cursor column
+CURS_Y := $D6 ; Cursor row
+CRAM_PTR := $F3 ; Pointer to current char in color RAM
+
+BASIC_BUF := $200 ; Location of command-line
+BASIC_BUF_LEN = 89 ; Maximum length of command-line
+
+CHARCOLOR := $286
+CURS_COLOR := $287 ; Color under the cursor
+PALFLAG := $2A6 ; $01 = PAL, $00 = NTSC