Commodore 64 Handbook page 47

Table of Contents

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0070
112
0071 -0072
113-114
0073 -008A
115-138
007A -007B
122-123
008B -008F
139-143
0090
144
0091
145
0092
146
0093
147
0094
148
0095
149
0096
150
0097
151
0098
152
0099
153
009A
154
009B
155
009C
156
009D
157
009E
158
009F
159
00A0 -00A2
160-162
00A3
163
00 A 4
164
00A5
165
00A6
166
00A7
167
00A8
168
00A9
169
00AA
170
00AB
171
00AC -00 AD
172-173
00AE -00AF
174-175
00B0 -00B1
176-177
00B2 -00B3
178-179
00B4
180
00B5
181
00B6
182
00B7
183
00B8
184
00B9
185
00BA
186
00BB -00BC
187-188
00BD
189
00BE
190
00BF
191
ooco
192
00C1 -00C2
193-194
00C3 -00C4
195-196
00C5
197
00C6
198
00C7
199
00C8
200
00C9 -00CA
201-202
OOCB
203
Accurn*! lo-order (rounding)
Cassette buff len/Series pointer
CHRGET subroutine; get Basic char
Basic pointer (within subrtn)
RND seed value
Status word ST
Keyswitch PIA: STOP and RVS flags
Timing constant for tape
Load = 0, Verify = 1
Serial output; deferred char flag
Serial deferred character
Tape EOT received
Register save
How many open files
Input device, normally 0
Output CMD device, normally 3
Tape character parity
Byte-received flag
Direct = $80/RUN = 0 output control
Tp Pass 1 error log/char buffer
Tp Pass 2 err log corrected
Jiffy Clock HML
Serial bit count/EO! flag
Cycle count
Countdown,tape write/bit count
Tape buffer pointer
Tp Wrt Idr count/Rd pass/inbit
Tp Wrt new byte/Rd error/inbit cnt
Wrt start bit/Rd bit err/stbit
Tp Scan;Cnt;Ld;End/byte assy
Wr lead length/Rd checksum/parity
Pointer: tape bufr, scrolling
Tape end adds/End of program
Tape timing constants
Pntr: start of tape buffer
1 =Tp timer enabled; bit count
Tp EOT/RS232 next bit to send
Read character error/outbyte buf
# characters in file name
Current logical file
Current secndy address
Current device
Pointer to file name
Wr shift word/Rd input char
# blocks remaining to Wr/Rd
Serial word buffer
Tape motor interlock
I/O start address
Kernel setup pointer
Last key pressed
# chars in keybd buffer
Screen reverse flag
End-of-line for input pointer
Input cursor log (row, column)
Which key: 64 if no key

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