1 REM *** Setup UTHERNET II - W5100 ' SLOT0=$C080 49280 SLOT4=$C0C0 49344 ' SLOT1=$C090 49296 SLOT5=$C0D0 49360 ' SLOT2=$C0A0 49312 SLOT6=$C0E0 49376 ' SLOT3=$C0B0 49328 SLOT7=$C0F0 49392 ' ' Set up the memory addresses to use ' 2 REM *** OURS IS IN SLOT3 ($C0B0) 3 SLOT=49328: REM *** $C0B0 4 MR=SLOT+4: REM *** MODE REGISTER C0B4 5 HA=SLOT+5:LA=SLOT+6: REM *** HIGH/LOW ADDR $C0B5,$C0B6 7 DP=SLOT+7: REM *** DATA PORT $C0B7 ' ' Init the W5100 ' 10 REM *** Init W5100 12 POKE MR,128 : REM RESET W5100 14 POKE MR,3 : REM AUTOINCREMENT 20 REM *** Setup MAC Address 41:50:50:4c:45:32 22 POKE HA,0:POKE LA,9 23 POKE DP,65:POKE DP,80:POKE DP,80:POKE DP,76:POKE DP,69:POKE DP,50 30 REM *** Setup IP Address 192.168.8.15 32 POKE LA,15 33 POKE DP,192:POKE DP,168:POKE DP,8:POKE DP,15 40 PRINT "UTHERNET II READY: 192.168.8.15" ' ' Setup Socket 0 ' 100 REM *** Setup Socket 0 102 PRINT "** Setting up Socket 0" 105 POKE HA,0:POKE LA,26: REM RX MEMSIZE 110 POKE DP,3: REM 8kB RX buffer 115 POKE DP,3: REM 8kB TX buffer 200 REM *** Setup TCP MODE on SOCKET 0 205 POKE HA,4: POKE LA,0: REM *** 0x400 mode 210 POKE DP,65 : REM *** 0x41 MAC FILTER (non-promisc) TCP 300 REM ** Setup Source PORT 303 PRINT "** Setting up to use TCP port 80" 305 POKE HA,4: POKE LA,4: REM *** 0x404 port 310 POKE DP,0:POKE DP, 80: REM *** http port 80 ' ' OPEN the socket ' 400 REM *** OPEN socket 404 PRINT "** OPENing socket" 405 POKE HA,4: POKE LA,1: REM *** 0x401 command register 410 POKE DP, 1: REM *** OPEN ' ' Check return value ' 500 REM *** Check if opened 505 POKE HA,4: POKE LA,3: REM *** 0x403 status register 510 RE=PEEK(DP) 515 PRINT "** STATUS IS ";RE; 520 IF RE=19 THEN PRINT " OPENED":GOTO 600 530 IF RE=0 THEN PRINT " CLOSED, ERROR": GOTO 5000 540 PRINT "UNKNOWN ERROR ";RE 550 GOTO 5000 ' ' LISTEN on the socket ' 600 REM *** Connection opened, Listen 605 POKE HA,4: POKE LA,1: REM *** 0x401 command register 610 POKE DP, 2: REM *** LISTEN ' ' Check return value ' 620 REM *** Check if successful 625 POKE HA,4: POKE LA,3: REM *** 0x403 status register 630 RE=PEEK(DP) 635 PRINT "** STATUS IS ";RE; 640 IF RE=20 THEN PRINT " LISTENING":GOTO 700 650 IF RE=0 THEN PRINT " CLOSED, ERROR":GOTO 5000 655 PRINT "UNKNOWN ERROR ";RE 675 GOTO 5000 ' ' Wait for incoming connection ' 700 REM *** Wait for incoming connection 705 POKE HA,4: POKE LA,1: REM *** 0x401 command register 710 POKE DP, 2: REM *** LISTEN ' ' Check for result ' 720 REM *** Check if successful 725 POKE HA,4: POKE LA,3: REM *** 0x403 status register 730 RE=PEEK(DP) 740 IF RE=23 THEN GOTO 800 745 IF RE<>20 THEN PRINT "WAITING: UNEXPECTED STATUS=";RE 750 GOTO 700: REM *** Repeat until connected ' ' Connected, repeat waiting for incoming data ' 800 PRINT "CONNECTED" 802 POKE HA,4: POKE LA,38: REM *** 0x426 Received Size 805 SH=PEEK(DP):SL=PEEK(DP) 810 SI=(SH*256)+SL 820 IF SI<>0 THEN GOTO 900 ' ' Should we delay? busy polling seems wasteful ' 830 REM DELAY? 840 GOTO 802 ' ' We have some data, let's read it ' 900 POKE HA,4: POKE LA,40: REM *** 0x428 Received ptr 905 OH=PEEK(DP):OL=PEEK(DP) 910 RF=(OH*256)+OL 920 REM *** MASK WITH 0x1ff 925 R%=RF/8192:RF=RF-(8192*R%) 930 RA=RF+24576:REM $6000 940 PRINT "READ OFFSET=";RF;" READ ADDRESS=";RA;" READ SIZE=";SI ' ' Print received packet ' 1000 REM *** PRINT PACKET 1003 R%=RA/256 1005 POKE HA,R%: POKE LA,RA-(R%*256) 1010 FOR I=1 TO SI 1020 C=PEEK(DP) 1030 IF C<>13 THEN PRINT CHR$(C); 1040 NEXT I ' ' TODO: handle wraparound of 8kb buffer ' ' ' TODO: Update read pointer ' 1100 REM *** Update read pointer 1110 POKE HA,4: POKE LA,40: REM *** 0x428 Received ptr 1120 RA=RA+SI 1130 R%=RA/256 1140 POKE DP,R%: POKE DP,RA-(R%*256) ' '"HTTP/1.1 200 OK\r\n" '"Date: %s\r\n" '"Server: VMW-web\r\n" '"Last-Modified: %s\r\n" '"Content-Length: %ld\r\n" '"Content-Type: %s\r\n" '"\r\n", 1200 REM *** SEND RESPONSE 1201 M$="test

Apple2 Test

"+CHR$(13)+CHR$(10) 1205 A$="HTTP/1.1 200 OK"+CHR$(13)+CHR$(10) 1210 A$=A$+"Server: VMW-web"+CHR$(13)+CHR$(10) 1220 A$=A$+"Content-Length: "+STR$(LEN(M$))+CHR$(13)+CHR$(10) 1230 A$=A$+"Content-Type: text/html"+CHR$(13)+CHR$(10) 1250 A$=A$+CHR$(13)+CHR$(10) 1270 A$=A$+M$ 1280 PRINT "SENDING:":PRINT A$ ' ' TODO: read TX free size reg (0x420) ' 1900 POKE HA,4: POKE LA,34: REM *** 0x422 TX read ptr 1905 OH=PEEK(DP):OL=PEEK(DP) 1910 TF=(OH*256)+OL 1920 REM *** SHOULD MASK WITH 0x1ff 1925 T%=TF/8192:TF=TF-(8192*T%) 1930 TA=TF+16384:REM $4000 1935 SI=LEN(A$) 1940 PRINT "TX OFFSET=";TF;" TX ADDRESS=";TA;" TX SIZE=";SI 2000 T%=TA/256 2005 POKE HA,T%: POKE LA,TA-(T%*256) 2010 FOR I=1 TO SI 2020 POKE DP,ASC(MID$(A$,I,1)) 2040 NEXT I 2050 REM ** UPDATE TX WRITE PTR 2060 POKE HA,4: POKE LA,36: REM *** 0x424 TX write ptr 2075 TA=TA+SI 2080 T%=TA/256 2085 POKE HA,T%: POKE LA,TA-(T%*256) 2100 REM *** SEND 2105 POKE HA,4: POKE LA,1: REM *** 0x401 command register 2110 POKE DP, 32: REM *** SEND ' ' Return to reading ' 4000 GOTO 802 ' ' Close the socket ' 5000 REM *** CLOSE 5010 POKE HA,4: POKE LA,1: REM *** 0x401 command register 5020 POKE DP, 16: REM *** CLOSE 5030 END