/ BBS in a Box 7 / BBS in a Box - Macintosh - Volume VII (BBS in a Box) (January 1993).iso / Files / Hyper / Si-Sr / SPortXMCDs.cpt / SPortXMCDs / bufferSPort.p

< prev

next >

MacOS 8.1

Win98

DOS

browse contents

view JSON data

view as text

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 0d 62 75 66 66 65 72 | 53 50 6f 72 74 2e 70 00 |..buffer|SPort.p.|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 54 45 58 54 4d 50 53 | 20 01 00 00 00 00 00 00 |.TEXTMPS| .......|
|00000050| 00 00 00 00 00 08 bc 00 | 00 01 7e 9d 21 51 fa 9d |........|..~.!Q..|
|00000060| 21 51 fa 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |!Q......|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 a9 54 00 00 |........|.....T..|
|00000080| 7b 24 52 2d 7d 0d 0d 28 | 2a 0d 09 62 75 66 66 65 |{$R-}..(|*..buffe|
|00000090| 72 53 50 6f 72 74 28 70 | 6f 72 74 20 6e 75 6d 62 |rSPort(p|ort numb|
|000000a0| 65 72 2c 20 6f 6c 64 42 | 75 66 66 65 72 2c 73 69 |er, oldB|uffer,si|
|000000b0| 7a 65 4f 66 42 75 66 66 | 65 72 29 20 2d 2d 20 46 |zeOfBuff|er) -- F|
|000000c0| 72 65 65 20 74 68 65 20 | 6f 6c 64 20 62 75 66 66 |ree the |old buff|
|000000d0| 65 72 20 61 74 20 74 68 | 65 20 61 64 64 72 65 73 |er at th|e addres|
|000000e0| 73 20 73 70 65 63 69 66 | 69 65 64 20 62 79 0d 09 |s specif|ied by..|
|000000f0| 6f 6c 64 42 75 66 66 65 | 72 20 28 69 66 20 6e 6f |oldBuffe|r (if no|
|00000100| 6e 2d 7a 65 72 6f 29 2c | 20 61 6e 64 20 61 6c 6c |n-zero),| and all|
|00000110| 6f 63 61 74 65 20 61 20 | 6e 65 77 20 62 75 66 66 |ocate a |new buff|
|00000120| 65 72 20 6f 66 20 73 69 | 7a 65 4f 66 42 75 66 66 |er of si|zeOfBuff|
|00000130| 65 72 20 28 6f 72 20 72 | 65 76 65 72 74 20 74 6f |er (or r|evert to|
|00000140| 20 64 65 66 61 75 6c 74 | 20 62 75 66 66 65 72 20 | default| buffer |
|00000150| 69 66 0d 09 7a 65 72 6f | 29 2e 20 52 65 74 75 72 |if..zero|). Retur|
|00000160| 6e 20 74 68 65 20 61 64 | 64 72 65 73 73 20 6f 66 |n the ad|dress of|
|00000170| 20 74 68 65 20 61 6c 6c | 6f 63 61 74 65 64 20 62 | the all|ocated b|
|00000180| 75 66 66 65 72 20 6f 72 | 20 7a 65 72 6f 20 69 66 |uffer or| zero if|
|00000190| 20 73 69 7a 65 4f 66 42 | 75 66 66 65 72 20 69 73 | sizeOfB|uffer is|
|000001a0| 20 7a 65 72 6f 2e 0d 0d | 09 54 6f 20 63 6f 6d 70 | zero...|.To comp|
|000001b0| 69 6c 65 20 61 6e 64 20 | 6c 69 6e 6b 20 74 68 69 |ile and |link thi|
|000001c0| 73 20 66 69 6c 65 20 75 | 73 69 6e 67 20 4d 61 63 |s file u|sing Mac|
|000001d0| 69 6e 74 6f 73 68 20 50 | 72 6f 67 72 61 6d 6d 65 |intosh P|rogramme|
|000001e0| 72 27 73 20 57 6f 72 6b | 73 68 6f 70 2c 0d 0d 09 |r's Work|shop,...|
|000001f0| 70 61 73 63 61 6c 20 2d | 77 20 62 75 66 66 65 72 |pascal -|w buffer|
|00000200| 53 50 6f 72 74 2e 70 0d | 09 6c 69 6e 6b 20 2d 6d |SPort.p.|.link -m|
|00000210| 20 45 4e 54 52 59 50 4f | 49 4e 54 20 2d 6f 20 48 | ENTRYPO|INT -o H|
|00000220| 79 70 65 72 43 6f 6d 6d | 61 6e 64 73 20 2d 72 74 |yperComm|ands -rt|
|00000230| 20 58 46 43 4e 3d 33 20 | 2d 73 6e 20 4d 61 69 6e | XFCN=3 |-sn Main|
|00000240| 3d 62 75 66 66 65 72 53 | 50 6f 72 74 20 62 75 66 |=bufferS|Port buf|
|00000250| 66 65 72 53 50 6f 72 74 | 2e 70 2e 6f 20 22 7b 4d |ferSPort|.p.o "{M|
|00000260| 50 57 7d 22 4c 69 62 72 | 61 72 69 65 73 3a 69 6e |PW}"Libr|aries:in|
|00000270| 74 65 72 66 61 63 65 2e | 6f 0d 09 0d 2a 29 0d 0d |terface.|o...*)..|
|00000280| 7b 24 53 20 62 75 66 66 | 65 72 53 50 6f 72 74 20 |{$S buff|erSPort |
|00000290| 7d 20 09 7b 20 53 65 67 | 6d 65 6e 74 20 6e 61 6d |} .{ Seg|ment nam|
|000002a0| 65 20 6d 75 73 74 20 62 | 65 20 74 68 65 20 73 61 |e must b|e the sa|
|000002b0| 6d 65 20 61 73 20 74 68 | 65 20 63 6f 6d 6d 61 6e |me as th|e comman|
|000002c0| 64 20 6e 61 6d 65 2e 20 | 7d 0d 0d 75 6e 69 74 20 |d name. |}..unit |
|000002d0| 44 75 6d 6d 79 55 6e 69 | 74 3b 0d 0d 69 6e 74 65 |DummyUni|t;..inte|
|000002e0| 72 66 61 63 65 0d 0d 75 | 73 65 73 20 4d 65 6d 54 |rface..u|ses MemT|
|000002f0| 79 70 65 73 2c 20 51 75 | 69 63 6b 44 72 61 77 2c |ypes, Qu|ickDraw,|
|00000300| 20 4f 53 49 6e 74 66 2c | 20 54 6f 6f 6c 49 6e 74 | OSIntf,| ToolInt|
|00000310| 66 2c 20 48 79 70 65 72 | 58 43 6d 64 3b 0d 0d 70 |f, Hyper|XCmd;..p|
|00000320| 72 6f 63 65 64 75 72 65 | 20 45 6e 74 72 79 50 6f |rocedure| EntryPo|
|00000330| 69 6e 74 28 70 61 72 61 | 6d 50 74 72 3a 20 58 43 |int(para|mPtr: XC|
|00000340| 6d 64 50 74 72 29 3b 0d | 09 0d 69 6d 70 6c 65 6d |mdPtr);.|..implem|
|00000350| 65 6e 74 61 74 69 6f 6e | 0d 0d 63 6f 6e 73 74 0d |entation|..const.|
|00000360| 0d 72 65 74 75 72 6e 20 | 3d 20 63 68 72 28 31 33 |.return |= chr(13|
|00000370| 29 3b 0d 6c 69 6e 65 66 | 65 65 64 20 3d 20 63 68 |);.linef|eed = ch|
|00000380| 72 28 31 30 29 3b 0d 62 | 73 20 3d 20 63 68 72 28 |r(10);.b|s = chr(|
|00000390| 38 29 3b 0d 0d 74 79 70 | 65 0d 0d 53 74 72 33 31 |8);..typ|e..Str31|
|000003a0| 20 3d 20 53 74 72 69 6e | 67 5b 33 31 5d 3b 0d 0d | = Strin|g[31];..|
|000003b0| 70 72 6f 63 65 64 75 72 | 65 20 62 75 66 66 65 72 |procedur|e buffer|
|000003c0| 53 50 6f 72 74 28 70 61 | 72 61 6d 50 74 72 3a 20 |SPort(pa|ramPtr: |
|000003d0| 58 43 6d 64 50 74 72 29 | 3b 20 66 6f 72 77 61 72 |XCmdPtr)|; forwar|
|000003e0| 64 3b 0d 0d 70 72 6f 63 | 65 64 75 72 65 20 45 6e |d;..proc|edure En|
|000003f0| 74 72 79 50 6f 69 6e 74 | 28 70 61 72 61 6d 50 74 |tryPoint|(paramPt|
|00000400| 72 3a 20 58 43 6d 64 50 | 74 72 29 3b 0d 0d 09 62 |r: XCmdP|tr);...b|
|00000410| 65 67 69 6e 0d 09 09 62 | 75 66 66 65 72 53 50 6f |egin...b|ufferSPo|
|00000420| 72 74 28 70 61 72 61 6d | 50 74 72 29 3b 0d 09 65 |rt(param|Ptr);..e|
|00000430| 6e 64 3b 0d 0d 70 72 6f | 63 65 64 75 72 65 20 62 |nd;..pro|cedure b|
|00000440| 75 66 66 65 72 53 50 6f | 72 74 28 70 61 72 61 6d |ufferSPo|rt(param|
|00000450| 50 74 72 3a 20 58 43 6d | 64 50 74 72 29 3b 0d 0d |Ptr: XCm|dPtr);..|
|00000460| 09 76 61 72 20 70 6f 72 | 74 4e 75 6d 62 65 72 3a |.var por|tNumber:|
|00000470| 20 69 6e 74 65 67 65 72 | 3b 0d 09 09 6f 6c 64 42 | integer|;...oldB|
|00000480| 75 66 66 65 72 50 74 72 | 3a 20 50 74 72 3b 0d 09 |ufferPtr|: Ptr;..|
|00000490| 09 6e 65 77 42 75 66 66 | 65 72 50 74 72 3a 20 50 |.newBuff|erPtr: P|
|000004a0| 74 72 3b 0d 09 09 6e 65 | 77 42 75 66 66 65 72 53 |tr;...ne|wBufferS|
|000004b0| 69 7a 65 3a 20 6c 6f 6e | 67 49 6e 74 3b 0d 09 09 |ize: lon|gInt;...|
|000004c0| 69 6e 50 6f 72 74 2c 20 | 6f 75 74 50 6f 72 74 3a |inPort, |outPort:|
|000004d0| 20 69 6e 74 65 67 65 72 | 3b 0d 09 09 73 74 72 3a | integer|;...str:|
|000004e0| 20 53 74 72 32 35 35 3b | 0d 0d 09 7b 24 49 20 58 | Str255;|...{$I X|
|000004f0| 43 6d 64 47 6c 75 65 2e | 69 6e 63 7d 0d 0d 09 70 |CmdGlue.|inc}...p|
|00000500| 72 6f 63 65 64 75 72 65 | 20 46 61 69 6c 28 65 72 |rocedure| Fail(er|
|00000510| 72 4d 73 67 3a 20 53 74 | 72 32 35 35 29 3b 20 7b |rMsg: St|r255); {|
|00000520| 20 73 65 74 20 74 68 65 | 52 65 73 75 6c 74 20 61 | set the|Result a|
|00000530| 6e 64 20 71 75 69 74 20 | 7d 0d 09 09 62 65 67 69 |nd quit |}...begi|
|00000540| 6e 0d 09 09 09 70 61 72 | 61 6d 50 74 72 5e 2e 72 |n....par|amPtr^.r|
|00000550| 65 74 75 72 6e 56 61 6c | 75 65 20 3a 3d 20 50 61 |eturnVal|ue := Pa|
|00000560| 73 54 6f 5a 65 72 6f 28 | 65 72 72 4d 73 67 29 3b |sToZero(|errMsg);|
|00000570| 0d 09 09 09 65 78 69 74 | 28 62 75 66 66 65 72 53 |....exit|(bufferS|
|00000580| 50 6f 72 74 29 3b 0d 09 | 09 65 6e 64 3b 0d 0d 09 |Port);..|.end;...|
|00000590| 62 65 67 69 6e 0d 09 09 | 69 66 20 70 61 72 61 6d |begin...|if param|
|000005a0| 50 74 72 5e 2e 70 61 72 | 61 6d 43 6f 75 6e 74 20 |Ptr^.par|amCount |
|000005b0| 3c 3e 20 33 20 74 68 65 | 6e 20 46 61 69 6c 28 27 |<> 3 the|n Fail('|
|000005c0| 70 61 72 61 6d 65 74 65 | 72 20 63 6f 75 6e 74 20 |paramete|r count |
|000005d0| 69 73 20 6e 6f 74 20 33 | 27 29 3b 0d 0d 09 09 5a |is not 3|');....Z|
|000005e0| 65 72 6f 54 6f 50 61 73 | 28 70 61 72 61 6d 50 74 |eroToPas|(paramPt|
|000005f0| 72 5e 2e 70 61 72 61 6d | 73 5b 31 5d 5e 2c 73 74 |r^.param|s[1]^,st|
|00000600| 72 29 3b 09 09 7b 20 46 | 69 72 73 74 20 70 61 72 |r);..{ F|irst par|
|00000610| 61 6d 65 74 65 72 20 69 | 73 20 70 6f 72 74 20 6e |ameter i|s port n|
|00000620| 75 6d 62 65 72 2e 20 7d | 0d 09 09 70 6f 72 74 4e |umber. }|...portN|
|00000630| 75 6d 62 65 72 20 3a 3d | 20 53 74 72 54 6f 4e 75 |umber :=| StrToNu|
|00000640| 6d 28 73 74 72 29 3b 0d | 09 09 69 66 20 28 70 6f |m(str);.|..if (po|
|00000650| 72 74 4e 75 6d 62 65 72 | 20 3c 20 31 29 20 6f 72 |rtNumber| < 1) or|
|00000660| 20 28 70 6f 72 74 4e 75 | 6d 62 65 72 20 3e 20 32 | (portNu|mber > 2|
|00000670| 29 20 74 68 65 6e 20 46 | 61 69 6c 28 27 69 6e 76 |) then F|ail('inv|
|00000680| 61 6c 69 64 20 70 6f 72 | 74 20 6e 75 6d 62 65 72 |alid por|t number|
|00000690| 27 29 3b 0d 09 09 5a 65 | 72 6f 54 6f 50 61 73 28 |');...Ze|roToPas(|
|000006a0| 70 61 72 61 6d 50 74 72 | 5e 2e 70 61 72 61 6d 73 |paramPtr|^.params|
|000006b0| 5b 32 5d 5e 2c 73 74 72 | 29 3b 09 09 7b 20 53 65 |[2]^,str|);..{ Se|
|000006c0| 63 6f 6e 64 20 70 61 72 | 61 6d 65 74 65 72 20 69 |cond par|ameter i|
|000006d0| 73 20 6f 6c 64 20 62 75 | 66 66 65 72 20 61 64 64 |s old bu|ffer add|
|000006e0| 72 65 73 73 2e 20 7d 0d | 09 09 6f 6c 64 42 75 66 |ress. }.|..oldBuf|
|000006f0| 66 65 72 50 74 72 20 3a | 3d 20 50 74 72 28 53 74 |ferPtr :|= Ptr(St|
|00000700| 72 54 6f 4e 75 6d 28 73 | 74 72 29 29 3b 0d 09 09 |rToNum(s|tr));...|
|00000710| 5a 65 72 6f 54 6f 50 61 | 73 28 70 61 72 61 6d 50 |ZeroToPa|s(paramP|
|00000720| 74 72 5e 2e 70 61 72 61 | 6d 73 5b 33 5d 5e 2c 73 |tr^.para|ms[3]^,s|
|00000730| 74 72 29 3b 09 09 7b 20 | 54 68 69 72 64 20 70 61 |tr);..{ |Third pa|
|00000740| 72 61 6d 65 74 65 72 20 | 69 73 20 6e 65 77 20 62 |rameter |is new b|
|00000750| 75 66 66 65 72 20 73 69 | 7a 65 2e 20 7d 0d 09 09 |uffer si|ze. }...|
|00000760| 6e 65 77 42 75 66 66 65 | 72 53 69 7a 65 20 3a 3d |newBuffe|rSize :=|
|00000770| 20 53 74 72 54 6f 4e 75 | 6d 28 73 74 72 29 3b 0d | StrToNu|m(str);.|
|00000780| 0d 09 09 69 66 20 70 6f | 72 74 4e 75 6d 62 65 72 |...if po|rtNumber|
|00000790| 20 3d 20 31 20 74 68 65 | 6e 20 69 6e 50 6f 72 74 | = 1 the|n inPort|
|000007a0| 20 3a 3d 20 2d 36 0d 09 | 09 65 6c 73 65 20 69 6e | := -6..|.else in|
|000007b0| 50 6f 72 74 20 3a 3d 20 | 2d 38 3b 0d 0d 09 09 69 |Port := |-8;....i|
|000007c0| 66 20 6e 65 77 42 75 66 | 66 65 72 53 69 7a 65 20 |f newBuf|ferSize |
|000007d0| 3d 20 30 20 74 68 65 6e | 20 6e 65 77 42 75 66 66 |= 0 then| newBuff|
|000007e0| 65 72 50 74 72 20 3a 3d | 20 6e 69 6c 0d 09 09 65 |erPtr :=| nil...e|
|000007f0| 6c 73 65 20 6e 65 77 42 | 75 66 66 65 72 50 74 72 |lse newB|ufferPtr|
|00000800| 20 3a 3d 20 4e 65 77 50 | 74 72 28 6e 65 77 42 75 | := NewP|tr(newBu|
|00000810| 66 66 65 72 53 69 7a 65 | 29 3b 0d 09 09 69 66 20 |fferSize|);...if |
|00000820| 53 65 72 53 65 74 42 75 | 66 28 69 6e 50 6f 72 74 |SerSetBu|f(inPort|
|00000830| 2c 6e 65 77 42 75 66 66 | 65 72 50 74 72 2c 6e 65 |,newBuff|erPtr,ne|
|00000840| 77 42 75 66 66 65 72 53 | 69 7a 65 29 20 3c 3e 20 |wBufferS|ize) <> |
|00000850| 6e 6f 45 72 72 20 74 68 | 65 6e 0d 09 09 09 62 65 |noErr th|en....be|
|00000860| 67 69 6e 0d 09 09 09 09 | 44 69 73 70 6f 73 50 74 |gin.....|DisposPt|
|00000870| 72 28 6e 65 77 42 75 66 | 66 65 72 50 74 72 29 3b |r(newBuf|ferPtr);|
|00000880| 0d 09 09 09 09 46 61 69 | 6c 28 27 53 65 74 53 65 |.....Fai|l('SetSe|
|00000890| 74 42 75 66 20 66 61 69 | 6c 65 64 27 29 3b 0d 09 |tBuf fai|led');..|
|000008a0| 09 09 65 6e 64 3b 0d 09 | 09 69 66 20 6f 6c 64 42 |..end;..|.if oldB|
|000008b0| 75 66 66 65 72 50 74 72 | 20 3c 3e 20 4e 49 4c 20 |ufferPtr| <> NIL |
|000008c0| 74 68 65 6e 20 44 69 73 | 70 6f 73 50 74 72 28 6f |then Dis|posPtr(o|
|000008d0| 6c 64 42 75 66 66 65 72 | 50 74 72 29 3b 0d 09 09 |ldBuffer|Ptr);...|
|000008e0| 73 74 72 20 3a 3d 20 4c | 6f 6e 67 54 6f 53 74 72 |str := L|ongToStr|
|000008f0| 28 6f 72 64 34 28 6e 65 | 77 42 75 66 66 65 72 50 |(ord4(ne|wBufferP|
|00000900| 74 72 29 29 3b 0d 09 09 | 70 61 72 61 6d 50 74 72 |tr));...|paramPtr|
|00000910| 5e 2e 72 65 74 75 72 6e | 56 61 6c 75 65 20 3a 3d |^.return|Value :=|
|00000920| 20 50 61 73 54 6f 5a 65 | 72 6f 28 73 74 72 29 3b | PasToZe|ro(str);|
|00000930| 0d 09 65 6e 64 3b 0d 65 | 6e 64 2e 0d 00 00 00 00 |..end;.e|nd......|
|00000940| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000950| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000960| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000970| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000980| 00 00 01 00 00 00 01 4c | 00 00 00 4c 00 00 00 32 |.......L|...L...2|
|00000990| 3b 0d 09 20 57 48 49 4c | 45 20 63 6f 6d 6d 61 6e |;.. WHIL|E comman|
|000009a0| 64 50 74 72 5e 20 3c 3e | 20 30 20 44 4f 0d 09 20 |dPtr^ <>| 0 DO.. |
|000009b0| 1a 31 2e 20 44 44 45 78 | 70 61 6e 64 45 78 70 61 |.1. DDEx|pandExpa|
|000009c0| 6e 64 54 65 6d 70 46 69 | 6c 65 20 78 02 00 00 00 |ndTempFi|le x....|
|000009d0| 00 00 44 44 54 4d 44 44 | 41 50 01 00 00 00 00 00 |..DDTMDD|AP......|
|000009e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009f0| 00 00 a5 f3 ec 28 00 00 | 08 bc 00 00 01 7e 6e 75 |.....(..|.....~nu|
|00000a00| 6d 62 65 72 20 2b 20 4f | 52 44 28 63 68 29 20 2d |mber + O|RD(ch) -|
|00000a10| 20 4f 52 44 28 27 30 27 | 29 3b 0d 09 09 20 63 6f | ORD('0'|);... co|
|00000a20| 6d 6d 61 6e 64 50 74 72 | 20 3a 3d 20 50 6f 69 6e |mmandPtr| := Poin|
|00000a30| 74 65 72 28 4f 52 44 28 | 63 6f 6d 6d 61 6e 64 50 |ter(ORD(|commandP|
|00000a40| 74 72 29 20 2b 20 31 29 | 3b 0d 09 20 20 20 45 4e |tr) + 1)|;..   EN|
|00000a50| 44 3b 0d 09 20 49 46 20 | 6e 75 6d 62 65 72 20 3d |D;.. IF |number =|
|00000a60| 20 30 20 54 48 45 4e 20 | 6e 75 6d 62 65 72 20 3a | 0 THEN |number :|
|00000a70| 3d 20 31 3b 20 20 20 7b | 20 64 65 66 61 75 6c 74 |= 1;   {| default|
|00000a80| 00 00 00 48 00 09 47 65 | 6e 65 76 61 00 09 54 6f |...H..Ge|neva..To|
|00000a90| 20 63 6f 6d 70 69 6c 65 | 20 61 6e 64 20 6c 69 6e | compile| and lin|
|00000aa0| 6b 20 74 68 69 73 00 03 | 00 04 00 40 00 0c 01 d8 |k this..|...@....|
|00000ab0| 02 78 00 40 00 0c 01 d8 | 02 78 9d 21 19 ba 00 00 |.x.@....|.x.!....|
|00000ac0| 08 45 00 00 08 45 00 00 | 04 c2 01 00 00 00 01 00 |.E...E..|........|
|00000ad0| 00 00 01 4c 00 00 00 4c | 00 00 00 32 00 04 1f 20 |...L...L|...2... |
|00000ae0| 03 50 00 00 00 1c 00 32 | 00 00 4d 50 53 52 00 00 |.P.....2|..MPSR..|
|00000af0| 00 0a 03 ed ff ff 00 00 | 00 00 00 05 1e 7c 00 00 |........|.....|..|
+--------+-------------------------+-------------------------+--------+--------+