mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-06-09 07:29:32 +00:00
108 lines
3.0 KiB
QBasic
108 lines
3.0 KiB
QBasic
1 REM *** Setup UTHERNET II - W5100
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2 REM *** Assumes slot 5 ($C0D0)
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3 SLOT=49360: REM *** $C0D0
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4 MR=SLOT+4: REM *** MODE REGISTER C0D4
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5 HA=SLOT+5:LA=SLOT+6: REM *** HIGH/LOW ADDR $C0D5,$C0D6
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7 DP=SLOT+7: REM *** DATA PORT $C0D7
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10 REM *** Init W5100
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12 POKE MR,128 : REM RESET W5100
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14 POKE MR,3 : REM AUTOINCREMENT
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20 REM *** Setup MAC Address
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21 REM *** 41:50:50:4c:45:32
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22 POKE HA,0:POKE LA,9
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23 POKE DP,65
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23 POKE DP,80
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23 POKE DP,80
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23 POKE DP,76
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23 POKE DP,69
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23 POKE DP,50
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30 REM *** Setup IP Address
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31 REM *** 192.168.8.15
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32 POKE LA,15
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33 POKE DP,192
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34 POKE DP,168
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35 POKE DP,8
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36 POKE DP,15
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40 PRINT "UTHERNET II READY: 192.168.8.15"
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100 REM *** Setup Socket
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102 PRINT "** Setting up Socket 0"
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105 POKE HA,0:POKE LA,26: REM RX MEMSIZE
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110 POKE DP,3: REM 8kB RX buffer
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115 POKE DP,3: REM 8kB TX buffer
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200 REM *** Setup TCP MODE on SOCKET 0
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205 POKE HA,4: POKE LA,0: REM *** 0x400 mode
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210 POKE DP,65 : REM *** 0x41 MAC FILTER (non-promisc) TCP
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300 REM ** Setup Source PORT
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303 PRINT "** Setting up to use TCP port 80"
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305 POKE HA,4: POKE LA,4: REM *** 0x404 port
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310 POKE DP,0:POKE DP, 80: REM *** http port 80
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400 REM *** OPEN socket
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404 PRINT "** OPENing socket"
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405 POKE HA,4: POKE LA,1: REM *** 0x401 command register
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410 POKE DP, 1: REM *** OPEN
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'
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500 REM *** Check if opened
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505 POKE HA,4: POKE LA,3: REM *** 0x403 status register
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510 RE=PEEK(DP)
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515 PRINT "** STATUS IS ";RE;
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520 IF RE=19 THEN PRINT " OPENED":GOTO 600
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530 IF RE=0 THEN PRINT " CLOSED, ERROR"
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540 POKE HA,4: POKE LA,1: REM *** 0x401 command register
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550 POKE DP, 16: REM *** CLOSE
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560 END
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'
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600 REM *** Connection opened, Listen
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605 POKE HA,4: POKE LA,1: REM *** 0x401 command register
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610 POKE DP, 2: REM *** LISTEN
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620 REM *** Check if successful
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625 POKE HA,4: POKE LA,3: REM *** 0x403 status register
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630 RE=PEEK(DP)
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635 PRINT "** STATUS IS ";RE;
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640 IF RE=20 THEN PRINT " LISTENING":GOTO 700
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650 IF RE=0 THEN PRINT " CLOSED, ERROR"
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655 PRINT "UNKNOWN"
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660 POKE HA,4: POKE LA,1: REM *** 0x401 command register
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670 POKE DP, 16: REM *** CLOSE
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675 END
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'
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700 REM *** Wait for incoming connection
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705 POKE HA,4: POKE LA,1: REM *** 0x401 command register
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710 POKE DP, 2: REM *** LISTEN
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720 REM *** Check if successful
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725 POKE HA,4: POKE LA,3: REM *** 0x403 status register
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730 RE=PEEK(DP)
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740 IF RE=23 THEN GOTO 800
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745 IF RE<>20 THEN PRINT "WAITING: STATUS=";RE
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750 GOTO 700: REM *** Repeat until connected
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'
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800 PRINT "CONNECTED"
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802 POKE HA,4: POKE LA,38: REM *** 0x426 Received Size
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805 SH=PEEK(DP):SL=PEEK(DP)
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810 SI=(SH*256)+SL
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820 IF SI<>0 THEN GOTO 900
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830 REM DELAY?
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840 GOTO 800
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'
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900 POKE HA,4: POKE LA,40: REM *** 0x428 Received ptr
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905 OL=PEEK(DP):OH=PEEK(DP)
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910 RO=(OH*256)+OL
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920 REM *** SHOULD MASK WITH 0x1ff but how?
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930 RA=RO+24576:REM $6000
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940 PRINT "READ OFFSET=";RO;" READ ADDRESS=";RA;" READ SIZE=";SI
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'
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1000 REM *** PRINT PACKET
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1005 POKE HA,RA/256: POKE LA,RA-((RA/256)*256)
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1010 FOR I=1 TO SI
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1020 C=PEEK(DP)
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1030 IF C<>13 THEN PRINT CHR$(C);
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1040 NEXT I
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'
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' TODO: handle wraparound of 8kb buffer
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'
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1100 REM *** Update read pointer
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1200 REM *** SEND RESPONSE
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2000 REM *** CLOSE
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