Commodore VIC-20 - Page 310

296 The VIC 20 User Guide
TABU 1-1: Memory Map
Hex Decimal
Description
Address Address
0000
0
Jump for USR
0001-0002
1-2 Vector for USR
0003-0004 3-4
Float-fixed vector
0005-0006 5-6
Fixed-float vector
0007
7
Search character
0008
8 Scan-quotes flag
0009
9 TAB column save
OOOA
10 0= LOAD, I = VERIFY
OOOB
II
Input buffer pointer/# subscript
OOOC
12
Default DIM flag
OOOD
13 Type: FF = string, 00 = numeric
OOOE
14
Type: 80 = integer, 00 = floating point
OOOF
15
DATA scant LIST quote/ memory flag
0010
16
Subscript/FNx flag
0011
17
0= INPUT;$40 = GET;$98 = READ
0012
18
ATN sign/ Comparison eval flag
0013
19
Current I/O prompt flag
0014-0015
20-21
Integer value
0016
22
Pointer: Temporary string stack
0017-0018
23-24
Last temporary string vector
0019-0021
25-33
Stack for temporary strings
0022-0025
34-37
Utility pointer area
0026-002A
38-42
Product area for multiplication
002B-002C
43-44
Pointer: Start
of BASIC
002D-002E
45-46
Pointer: Start
of Variables
002F-0030
47-48
Pointer: Start
of Arrays
0031-0032
49-50
Pointer: End
of Arrays
0033-0034
51-52
Pointer: String storage (moving down)
0035-0036
53-54
Utility string pointer
0037-0038
55-56
Pointer: Limit
of memory
0039-003A
57-58
Current BASIC line number
003B-003C
59-60
Previous BASIC line number
003D-003E
61-62
Pointer: BASIC statement for CO NT
003F-0040
63-64
Current DATA line number
0041-0042
65-66
Current DATA address
0043-0044
67-68
Input vector