| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477 |
- tpasm 1.5 Assembling on Sun May 10 00:05:09 2020
- Source File: 8051dumper.asm
- Line Loc Object/(Value) T Source
- ----- -------- -------------- - ------
- 1 00000000 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 2 00000000 ;; 8051dumper.asm: Dump internal ROM contents of 8051 to serial port.
- 3 00000000 ;;
- 4 00000000 ;;
- 5 00000000
- 6 00000000 PROCESSOR 8051
- 7 00000000 INCLUDE "SFR.asm"
- 1 00000000 ;; 8051/8052 Special-Function Registers...
- 72 00000000 ;; ...8051/8052 Special-Function Registers
- 73 00000000
- 8 00000000
- 9 00000000 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 10 00000000 ;; GPIOs
- 11 00000000 ;;
- 12 00000000 OUT_EA ALIAS "P1.0" ; Inverted and connected to EAn pin
- 13 00000000 OUT_REDLEDn ALIAS "P1.1" ; Red LED in RESET button
- 14 00000000 OUT_GRNLEDn ALIAS "P1.2" ; Green LED in START button
- 15 00000000 IN_GRNBTNn ALIAS "P1.3" ; Green START button
- 16 00000000 IN_R32Kn ALIAS "P1.4" ; Dump size knob: 8058 (32k)
- 17 00000000 IN_R16Kn ALIAS "P1.5" ; Dump size knob: 8054 (16k)
- 18 00000000 IN_R8Kn ALIAS "P1.6" ; Dump size knob: 8052 (8k)
- 19 00000000 IN_R4Kn ALIAS "P1.7" ; Dump size knob: 8051 (4k)
- 20 00000000
- 21 00000000 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 22 00000000 ;; Internal RAM (uninitialized data segment)
- 23 00000000 ;;
- 24 00000000 SEGU "IRAM"
- 25 00000000
- 26 00000000 ; 0x00..0x1F contains the four register banks.
- 27 00000000 ; 0x20..0x2F is the bit addressable area.
- 28 00000000 ; 0x30..0x7F is the scratch pad area.
- 29 00000000
- 30 00000000 ORG 0x0030
- 31 00000030 IROMSIZE: DS 1 ; High byte of internal ROM size
- 32 00000031 CKSUM: DS 1 ; Checksum accumulator for line
- 33 00000032 HINYBBLE: DS 1 ; Temp buffer for HEXBYTE
- 34 00000033 LONYBBLE: DS 1 ; Temp buffer for HEXBYTE
- 35 00000034
- 36 00000034 ; Intel Hex line buffer for 16 byte record
- 37 00000034 BUF_START: DS 1 ; Start code ":"
- 38 00000035 BUF_BYTECOUNT: DS 2 ; Byte count "10"
- 39 00000037 BUF_ADDR: DS 4 ; Start address of record
- 40 0000003B BUF_RECTYPE: DS 1 ; Record type
- 41 0000003C BUF_DATA: DS 32 ; Record data
- 42 0000005C BUF_CKSUM: DS 2 ; Checksum
- 43 0000005E BUF_EOL: DS 3 ; CRLF and terminating NUL
- 44 00000061
- 45 00000061
- 46 00000061
- 47 00000061 ; Rest of RAM is stack. Initial stack pointer should be 1 byte before
- 48 00000061 ; beginning of stack because PUSH operations pre-increment the stack pointer.
- 49 00000061 STACK: DS 0x0080-$
- 50 00000080
- 51 00000080
- 52 00000080 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 53 00000080 ;; Code segment starting at base of external program memory EEPROM
- 54 00000080 ;;
- 55 00000080 SEG "code"
- 56 00000000
- 57 00000000 ; Reset vector (3 bytes)
- 58 00000000 ORG 0x0000
- 59 00000000 02 80 81 RESET: LJMP MAIN
- 60 00000003
- 61 00000003 ; External Request 0 Interrupt Service Routine (8 bytes)
- 62 00000003 ORG 0x0003
- 63 00000003 02 81 88 ER0_ISR: LJMP ERROR
- 64 00000006
- 65 00000006 ; Internal Timer/Counter 0 Interrupt Service Routine (8 bytes)
- 66 00000006 ORG 0x000B
- 67 0000000B 02 81 88 ITC0_ISR: LJMP ERROR
- 68 0000000E
- 69 0000000E ; External Request 1 Interrupt Service Routine (8 bytes)
- 70 0000000E ORG 0x0013
- 71 00000013 02 81 88 ER1_ISR: LJMP ERROR
- 72 00000016
- 73 00000016 ; Internal Timer/Counter 1 Interrupt Service Routine (8 bytes)
- 74 00000016 ORG 0x001B
- 75 0000001B 02 81 88 ITC1_ISR: LJMP ERROR
- 76 0000001E
- 77 0000001E ; Internal Serial Port Interrupt Service Routine (8 bytes)
- 78 0000001E ORG 0x0023
- 79 00000023 02 81 88 ISP_ISR: LJMP ERROR
- 80 00000026
- 81 00000026 ; 8052 TF2 and EXF2 Interrupt Service Routine (8 bytes)
- 82 00000026 ORG 0x002B
- 83 0000002B 02 81 88 TF2_ISR: LJMP ERROR
- 84 0000002E
- 85 0000002E
- 86 0000002E
- 87 0000002E ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 88 0000002E ;; Following code/data will be accessed in a mirror image of the 32k EEPROM
- 89 0000002E ;; at 0x8000. We will raise the EAn pin with a GPIO in order to overlay
- 90 0000002E ;; internal ROM at address 0x0000. We will not use any interrupts because
- 91 0000002E ;; interrupt vectors will contain unpredictable code from internal ROM.
- 92 0000002E ;;
- 93 0000002E ORG 0x0032
- 94 00000032 RORG 0x8032
- 95 00000032
- 96 00000032 38 30 35 31 64 IDSTR: DB "8051dumper v1.0 by NF6X", 0x0D, 0x0A, 0x00
- 75 6D 70 65 72
- 20 76 31 2E 30
- 20 62 79 20 4E
- 46 36 58 0D 0A
- 00
- 97 0000004C 45 52 52 4F 52 KNOBSTR: DB "ERROR: Could not read ROM size knob!", 0x0D, 0x0A, 0x00
- 3A 20 43 6F 75
- 6C 64 20 6E 6F
- 74 20 72 65 61
- 64 20 52 4F 4D
- 20 73 69 7A 65
- 20 6B 6E 6F 62
- 21 0D 0A 00
- 98 00000073 3A 30 30 30 30 ENDSTR: DB ":00000001FF", 0x0D, 0x0A, 0x00
- 30 30 30 31 46
- 46 0D 0A 00
- 99 00000081
- 100 00000081 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 101 00000081 ;; Main entry point
- 102 00000081 ;;
- 103 00000081 MAIN:
- 104 00000081 75 A8 00 MOV IE, #0x00 ; Disable all interrupts
- 105 00000084 75 90 FF MOV P1, #0xFF ; GPIOs all input/high
- 106 00000087 75 81 60 MOV SP, #STACK-1 ; Initialize stack pointer
- 107 0000008A a CLR OUT_EA ; Select INTERNAL ROM at 0x0000
- 107 0000008A C2 90 A CLR P1.0
- 108 0000008C
- 109 0000008C
- 110 0000008C ; Configure serial port for Mode 1, 9600 8n1
- 111 0000008C ; SMOD = 0 ==> K = 1
- 112 0000008C ; Oscillator frequency = 11.0592 MHz
- 113 0000008C ; TH1 = 256 - (K * Fosc)/(32 * 12 * Baud)
- 114 0000008C ; TH1 = 256 - (1 * 11059200)/(32 * 12 * 9600) = 253 = 0xFD
- 115 0000008C 75 87 00 MOV PCON, #0x00 ; SMOD = 0
- 116 0000008F 75 98 50 MOV SCON, #0x50 ; Mode 1
- 117 00000092 75 89 21 MOV TMOD, #0x21 ; T1: Mode 2, T0: Mode 1
- 118 00000095 75 8D FD MOV TH1, #0xFD ; 9600 baud
- 119 00000098 75 8B FD MOV TL1, #0xFD ; 9600 baud
- 120 0000009B a SETB TCON_TR1 ; Enable timer
- 120 0000009B D2 8E A SETB TCON.6
- 121 0000009D
- 122 0000009D
- 123 0000009D ; Send ID string
- 124 0000009D 90 80 32 MOV DPTR, #IDSTR
- 125 000000A0 31 AF ACALL SENDROM
- 126 000000A2
- 127 000000A2
- 128 000000A2 ; Blink green LED until green START button pressed.
- 129 000000A2 ; Flash LED 2x per second at 20% duty cycle, checking
- 130 000000A2 ; button every 100ms.
- 131 000000A2 a WAITSTART: CLR OUT_GRNLEDn ; On for 100ms
- 131 000000A2 C2 92 A WAITSTART: CLR P1.2
- 132 000000A4 31 8E ACALL DELAY100ms
- 133 000000A6 a JNB IN_GRNBTNn, READKNOB ; Button pressed?
- 133 000000A6 30 93 18 A JNB P1.3, READKNOB
- 134 000000A9 a SETB OUT_GRNLEDn ; Off for 400ms
- 134 000000A9 D2 92 A SETB P1.2
- 135 000000AB 31 8E ACALL DELAY100ms
- 136 000000AD a JNB IN_GRNBTNn, READKNOB ; Button pressed?
- 136 000000AD 30 93 11 A JNB P1.3, READKNOB
- 137 000000B0 31 8E ACALL DELAY100ms
- 138 000000B2 a JNB IN_GRNBTNn, READKNOB ; Button pressed?
- 138 000000B2 30 93 0C A JNB P1.3, READKNOB
- 139 000000B5 31 8E ACALL DELAY100ms
- 140 000000B7 a JNB IN_GRNBTNn, READKNOB ; Button pressed?
- 140 000000B7 30 93 07 A JNB P1.3, READKNOB
- 141 000000BA 31 8E ACALL DELAY100ms
- 142 000000BC a JNB IN_GRNBTNn, READKNOB ; Button pressed?
- 142 000000BC 30 93 02 A JNB P1.3, READKNOB
- 143 000000BF 80 E1 SJMP WAITSTART
- 144 000000C1
- 145 000000C1 ; Read dump size knob and begin dumping code.
- 146 000000C1 a READKNOB: SETB OUT_GRNLEDn ; Green LED off
- 146 000000C1 D2 92 A READKNOB: SETB P1.2
- 147 000000C3
- 148 000000C3 a .TST32K: JB IN_R32Kn, .TST16K ; Knob set to 32k?
- 148 000000C3 20 94 05 A .TST32K: JB P1.4, .TST16K
- 149 000000C6 75 30 80 MOV IROMSIZE, #0x80 ; Yes, 32k
- 150 000000C9 80 20 SJMP INITBUF
- 151 000000CB a .TST16K: JB IN_R16Kn, .TST8K ; Knob set to 16k?
- 151 000000CB 20 95 05 A .TST16K: JB P1.5, .TST8K
- 152 000000CE 75 30 40 MOV IROMSIZE, #0x40 ; Yes, 16k
- 153 000000D1 80 18 SJMP INITBUF
- 154 000000D3 a .TST8K: JB IN_R8Kn, .TST4K ; Knob set to 8k?
- 154 000000D3 20 96 05 A .TST8K: JB P1.6, .TST4K
- 155 000000D6 75 30 20 MOV IROMSIZE, #0x20 ; Yes, 8k
- 156 000000D9 80 10 SJMP INITBUF
- 157 000000DB a .TST4K: JB IN_R4Kn, .TSTFAIL ; Knob set to 4k?
- 157 000000DB 20 97 05 A .TST4K: JB P1.7, .TSTFAIL
- 158 000000DE 75 30 10 MOV IROMSIZE, #0x10 ; Yes, 4k
- 159 000000E1 80 08 SJMP INITBUF
- 160 000000E3 90 80 4C .TSTFAIL: MOV DPTR, #KNOBSTR ; Cannot read knob!
- 161 000000E6 31 AF ACALL SENDROM
- 162 000000E8 02 81 88 LJMP ERROR
- 163 000000EB
- 164 000000EB
- 165 000000EB ; Initialize the line buffer and ROM data pointer
- 166 000000EB 75 34 3A INITBUF: MOV BUF_START, #':'
- 167 000000EE 75 35 31 MOV BUF_BYTECOUNT, #'1'
- 168 000000F1 75 36 30 MOV BUF_BYTECOUNT+1, #'0'
- 169 000000F4 75 5E 0D MOV BUF_EOL, #0x0D
- 170 000000F7 75 5F 0A MOV BUF_EOL+1, #0x0A
- 171 000000FA 75 60 00 MOV BUF_EOL+2, #0x00
- 172 000000FD 90 00 00 MOV DPTR, #0000
- 173 00000100
- 174 00000100
- 175 00000100 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 176 00000100 ;; Dump one Intel Hex record of 16 bytes at a time until done.
- 177 00000100 ;; Toggle red LED for each line to show activity.
- 178 00000100 ;;
- 179 00000100 E5 83 DUMPLOOP: MOV A, DPH ; Has DPTR hit end of IROM?
- 180 00000102 B5 30 02 CJNE A, IROMSIZE, DUMPRECORD
- 181 00000105 80 2E SJMP EOF ; Finished with IROM
- 182 00000107
- 183 00000107 ; Dump one 16-byte record
- 184 00000107 DUMPRECORD:
- 185 00000107 a CPL OUT_REDLEDn
- 185 00000107 B2 91 A CPL P1.1
- 186 00000109 75 31 10 MOV CKSUM, #0x10 ; Init checksum w/ record length
- 187 0000010C 78 37 MOV R0, #BUF_ADDR ; Point to address field
- 188 0000010E E5 83 MOV A, DPH ; High address byte
- 189 00000110 31 40 ACALL HEXBYTE
- 190 00000112 E5 82 MOV A, DPL ; Low address byte
- 191 00000114 31 40 ACALL HEXBYTE
- 192 00000116 E4 CLR A ; Record type
- 193 00000117 31 40 ACALL HEXBYTE
- 194 00000119
- 195 00000119 E4 DUMPBYTE: CLR A ; Read byte from IROM
- 196 0000011A 93 MOVC A, @A+DPTR
- 197 0000011B 31 40 ACALL HEXBYTE ; Add it to line buffer
- 198 0000011D E5 82 MOV A, DPL ; End of record?
- 199 0000011F 54 0F ANL A, #0x0F
- 200 00000121 C3 CLR C
- 201 00000122 94 0F SUBB A, #0x0F
- 202 00000124 60 03 JZ EOR ; Yes, at end of 16-byte record
- 203 00000126 A3 INC DPTR ; No, increment IROM pointer
- 204 00000127 80 F0 SJMP DUMPBYTE ; Add next byte
- 205 00000129
- 206 00000129 E5 31 EOR: MOV A, CKSUM ; Add checksum to record
- 207 0000012B F4 CPL A
- 208 0000012C 24 01 ADD A, #1
- 209 0000012E 31 40 ACALL HEXBYTE
- 210 00000130 31 78 ACALL SENDRECORD ; Send out this record
- 211 00000132 A3 INC DPTR
- 212 00000133
- 213 00000133 80 CB SJMP DUMPLOOP
- 214 00000135
- 215 00000135
- 216 00000135 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 217 00000135 ;; Send out end of file record, turn green LED on and red LED off,
- 218 00000135 ;; and loop forever.
- 219 00000135 ;;
- 220 00000135 90 80 73 EOF: MOV DPTR, #ENDSTR
- 221 00000138 31 AF ACALL SENDROM
- 222 0000013A a CLR OUT_GRNLEDn ; Green LED on
- 222 0000013A C2 92 A CLR P1.2
- 223 0000013C a SETB OUT_REDLEDn ; Red LED off
- 223 0000013C D2 91 A SETB P1.1
- 224 0000013E 80 FE SJMP $
- 225 00000140
- 226 00000140
- 227 00000140 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 228 00000140 ;; Add hex representation of A to buffer at R0 and accumulate checksum.
- 229 00000140 ;;
- 230 00000140 F5 32 HEXBYTE: MOV HINYBBLE, A ; Add byte to checksum
- 231 00000142 F5 33 MOV LONYBBLE, A
- 232 00000144 25 31 ADD A, CKSUM
- 233 00000146 F5 31 MOV CKSUM, A
- 234 00000148
- 235 00000148 E5 32 MOV A, HINYBBLE ; Isolate high nybble
- 236 0000014A C4 SWAP A
- 237 0000014B 54 0F ANL A, #0x0F
- 238 0000014D 24 30 ADD A, #'0'
- 239 0000014F F5 32 MOV HINYBBLE, A
- 240 00000151 C3 CLR C
- 241 00000152 94 3A SUBB A, #':'
- 242 00000154 40 06 JC .LO
- 243 00000156 E5 32 MOV A, HINYBBLE
- 244 00000158 24 07 ADD A, #7
- 245 0000015A F5 32 MOV HINYBBLE, A
- 246 0000015C
- 247 0000015C E5 33 .LO: MOV A, LONYBBLE ; Isolate low nybble
- 248 0000015E 54 0F ANL A, #0x0F
- 249 00000160 24 30 ADD A, #'0'
- 250 00000162 F5 33 MOV LONYBBLE, A
- 251 00000164 C3 CLR C
- 252 00000165 94 3A SUBB A, #':'
- 253 00000167 40 06 JC .STHI
- 254 00000169 E5 33 MOV A, LONYBBLE
- 255 0000016B 24 07 ADD A, #7
- 256 0000016D F5 33 MOV LONYBBLE, A
- 257 0000016F
- 258 0000016F E5 32 .STHI: MOV A, HINYBBLE ; Store high nybble hex char
- 259 00000171 F6 MOV @R0, A
- 260 00000172 08 INC R0
- 261 00000173 E5 33 MOV A, LONYBBLE ; Store low nybble hex char
- 262 00000175 F6 MOV @R0, A
- 263 00000176 08 INC R0
- 264 00000177
- 265 00000177 22 RET
- 266 00000178
- 267 00000178
- 268 00000178 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 269 00000178 ;; Send out the current record.
- 270 00000178 ;;
- 271 00000178 78 34 SENDRECORD: MOV R0, #BUF_START ; Init pointer
- 272 0000017A E6 .SENDCHAR: MOV A, @R0 ; Get next char
- 273 0000017B 60 0A JZ .DONE ; Done if it is NUL
- 274 0000017D a CLR SCON_TI ; Send byte
- 274 0000017D C2 99 A CLR SCON.1
- 275 0000017F F5 99 MOV SBUF, A
- 276 00000181 a JNB SCON_TI, $ ; Loop until character sent
- 276 00000181 30 99 FD A JNB SCON.1, $
- 277 00000184 08 INC R0
- 278 00000185 80 F3 SJMP .SENDCHAR
- 279 00000187 22 .DONE: RET
- 280 00000188
- 281 00000188
- 282 00000188 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 283 00000188 ;; Error handler
- 284 00000188 ;; Turn on red LED and loop forever.
- 285 00000188 ;;
- 286 00000188 a ERROR: SETB OUT_GRNLEDn ; Green LED off
- 286 00000188 D2 92 A ERROR: SETB P1.2
- 287 0000018A a CLR OUT_REDLEDn ; Red LED on
- 287 0000018A C2 91 A CLR P1.1
- 288 0000018C 80 FE SJMP $
- 289 0000018E
- 290 0000018E
- 291 0000018E
- 292 0000018E
- 293 0000018E ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 294 0000018E ;; Delay 100ms
- 295 0000018E ;; Uses Timer 0, delaying 50ms twice
- 296 0000018E ;; Oscillator frequency = 11.0592 MHz
- 297 0000018E ;; ==> 50ms = 11059200 / (12 * 20) = 46080 = 0xB400 counts
- 298 0000018E ;; ==> (TH0,TL0) = 0x10000 - 0xB400 = 0x4C00
- 299 0000018E ;; This all ignores subroutine call overhead and so forth.
- 300 0000018E ;;
- 301 0000018E a DELAY100ms: CLR TCON_TR0 ; Timer off
- 301 0000018E C2 8C A DELAY100ms: CLR TCON.4
- 302 00000190 75 8C 4C MOV TH0, #0x4C ; 50ms delay
- 303 00000193 75 8A 00 MOV TL0, #0x00
- 304 00000196 a CLR TCON_TF0 ; Clear overflow
- 304 00000196 C2 8D A CLR TCON.5
- 305 00000198 a SETB TCON_TR0 ; Timer on
- 305 00000198 D2 8C A SETB TCON.4
- 306 0000019A a JNB TCON_TF0, $ ; Wait for overflow
- 306 0000019A 30 8D FD A JNB TCON.5, $
- 307 0000019D a CLR TCON_TR0 ; Timer off
- 307 0000019D C2 8C A CLR TCON.4
- 308 0000019F 75 8C 4C MOV TH0, #0x4C ; 50ms delay
- 309 000001A2 75 8A 00 MOV TL0, #0x00
- 310 000001A5 a CLR TCON_TF0 ; Clear overflow
- 310 000001A5 C2 8D A CLR TCON.5
- 311 000001A7 a SETB TCON_TR0 ; Timer on
- 311 000001A7 D2 8C A SETB TCON.4
- 312 000001A9 a JNB TCON_TF0, $ ; Wait for overflow
- 312 000001A9 30 8D FD A JNB TCON.5, $
- 313 000001AC a CLR TCON_TR0 ; Timer off
- 313 000001AC C2 8C A CLR TCON.4
- 314 000001AE 22 RET
- 315 000001AF
- 316 000001AF
- 317 000001AF ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 318 000001AF ;; Send NUL-terminated string in ROM pointed to by DPTR.
- 319 000001AF ;; Trashes A, DPTR
- 320 000001AF ;;
- 321 000001AF E4 SENDROM: CLR A ; Get byte from ROM
- 322 000001B0 93 MOVC A, @A+DPTR
- 323 000001B1 60 0A JZ .DONE ; Done if it is NUL
- 324 000001B3 a CLR SCON_TI ; Send byte
- 324 000001B3 C2 99 A CLR SCON.1
- 325 000001B5 F5 99 MOV SBUF, A
- 326 000001B7 a JNB SCON_TI, $ ; Loop until character sent
- 326 000001B7 30 99 FD A JNB SCON.1, $
- 327 000001BA A3 INC DPTR ; Send next byte
- 328 000001BB 80 F2 SJMP SENDROM
- 329 000001BD 22 .DONE: RET
- 330 000001BE
- 331 000001BE ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- 332 000001BE ;;
- 333 000001BE END
- Segment Listing
- MinAddr MaxAddr Segment
- -------- -------- -------
- 00000000 000001BD code
- 00000030 0000007F IRAM
- Symbol Table Listing
- Value U Name
- -------- - ----
- 000000E0 * ACC
- 000000F0 * B
- 00000037 BUF_ADDR
- 00000035 BUF_BYTECOUNT
- 0000005C * BUF_CKSUM
- 0000003C * BUF_DATA
- 0000005E BUF_EOL
- 0000003B * BUF_RECTYPE
- 00000034 BUF_START
- 00000031 CKSUM
- 0000818E DELAY100ms
- 00000083 DPH
- 00000082 DPL
- 00008119 DUMPBYTE
- 00008100 DUMPLOOP
- 00008107 DUMPRECORD
- 00008073 ENDSTR
- 00008135 EOF
- 00008129 EOR
- 00000003 * ER0_ISR
- 00000013 * ER1_ISR
- 00008188 ERROR
- 00008140 HEXBYTE
- 0000815C HEXBYTE@LO
- 0000816F HEXBYTE@STHI
- 00000032 HINYBBLE
- 00008032 IDSTR
- 000000A8 IE
- 000080EB INITBUF
- 000000B8 * IP
- 00000030 IROMSIZE
- 00000023 * ISP_ISR
- 0000000B * ITC0_ISR
- 0000001B * ITC1_ISR
- 0000804C KNOBSTR
- 00000033 LONYBBLE
- 00008081 MAIN
- 00000080 * P0
- 00000090 P1
- 000000A0 * P2
- 000000B0 * P3
- 00000087 PCON
- 000000D0 * PSW
- 000000CB * RCAP2H
- 000000CA * RCAP2L
- 000080C1 READKNOB
- 000080CB READKNOB@TST16K
- 000080C3 * READKNOB@TST32K
- 000080DB READKNOB@TST4K
- 000080D3 READKNOB@TST8K
- 000080E3 READKNOB@TSTFAIL
- 00000000 * RESET
- 00000099 SBUF
- 00000098 SCON
- 00008178 SENDRECORD
- 00008187 SENDRECORD@DONE
- 0000817A SENDRECORD@SENDCHAR
- 000081AF SENDROM
- 000081BD SENDROM@DONE
- 00000081 SP
- 00000061 STACK
- 000000C8 * T2CON
- 00000088 TCON
- 0000002B * TF2_ISR
- 0000008C TH0
- 0000008D TH1
- 000000CD * TH2
- 0000008A TL0
- 0000008B TL1
- 000000CC * TL2
- 00000089 TMOD
- 000080A2 WAITSTART
- 00000001 * __8051
- Assembled in 3 passes
- Total assembly time 00:00:00
- Total Errors: 0
- Total Warnings: 0
|
