/ Oakland CPM Archive / oakcpm.iso / cpm / zcpr33 / shellini.lbr

< prev

next >

MacOS 8.1

Win98

DOS

browse contents

view JSON data

view as text

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 20 20 20 20 20 20 20 | 20 20 20 20 00 00 01 00 |.       |    ....|
|00000010| 5e ba 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |^.......|........|
|00000020| 00 53 48 45 4c 4c 49 4e | 49 43 4f 4d 01 00 01 00 |.SHELLIN|ICOM....|
|00000030| ce e2 25 0e 00 00 00 00 | 00 00 00 00 00 00 00 00 |..%.....|........|
|00000040| 00 53 48 45 4c 4c 49 4e | 49 44 4f 43 02 00 04 00 |.SHELLIN|IDOC....|
|00000050| 6e 4e 25 0e 00 00 00 00 | 00 00 00 00 00 00 00 00 |nN%.....|........|
|00000060| 00 53 48 45 4c 4c 49 4e | 49 5a 38 30 06 00 0a 00 |.SHELLIN|IZ80....|
|00000070| b1 22 25 0e 00 00 00 00 | 00 00 00 00 00 00 00 00 |."%.....|........|
|00000080| c3 0b 01 5a 33 45 4e 56 | 01 00 fe 21 00 00 39 22 |...Z3ENV|...!..9"|
|00000090| 3e 01 cd 1d 01 cd 31 01 | 2a 3e 01 f9 c9 2a 09 01 |>.....1.|*>...*..|
|000000a0| 3e 1e 85 6f af 8c 67 7e | 32 3c 01 23 7e 32 3d 01 |>..o..g~|2<.#~2=.|
|000000b0| c9 2a 3c 01 06 80 36 00 | 23 10 fb c9 00 00 00 00 |.*<...6.|#.......|
|000000c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000100| 57 6f 72 64 73 74 61 72 | 20 56 65 72 73 69 6f 6e |Wordstar| Version|
|00000110| 20 34 20 66 6f 72 20 43 | 50 4d 20 69 73 20 61 20 | 4 for C|PM is a |
|00000120| 5a 33 20 73 68 65 6c 6c | 20 62 75 74 20 69 6e 20 |Z3 shell| but in |
|00000130| 73 6f 6d 65 20 63 61 73 | 65 73 20 69 74 20 64 6f |some cas|es it do|
|00000140| 65 73 0d 0a 6e 6f 74 20 | 70 72 6f 70 65 72 6c 79 |es..not |properly|
|00000150| 20 68 61 6e 64 6c 65 20 | 74 68 65 20 73 68 65 6c | handle |the shel|
|00000160| 6c 20 73 74 61 63 6b 2e | 20 46 6f 72 20 6d 6f 73 |l stack.| For mos|
|00000170| 74 20 73 68 65 6c 6c 73 | 20 6f 6e 6c 79 20 74 68 |t shells| only th|
|00000180| 65 20 66 69 72 73 74 0d | 0a 62 79 74 65 20 6f 66 |e first.|.byte of|
|00000190| 20 74 68 65 20 73 68 65 | 6c 6c 20 73 74 61 63 6b | the she|ll stack|
|000001a0| 20 6e 65 65 64 73 20 74 | 6f 20 62 65 20 69 6e 69 | needs t|o be ini|
|000001b0| 74 69 61 6c 69 7a 65 64 | 20 61 74 20 63 6f 6c 64 |tialized| at cold|
|000001c0| 20 62 6f 6f 74 20 62 75 | 74 20 74 68 69 73 0d 0a | boot bu|t this..|
|000001d0| 69 73 20 6e 6f 74 20 74 | 72 75 65 20 66 6f 72 20 |is not t|rue for |
|000001e0| 57 53 34 2e 20 49 66 20 | 79 6f 75 20 61 72 65 20 |WS4. If |you are |
|000001f0| 68 61 76 69 6e 67 20 70 | 72 6f 62 6c 65 6d 73 20 |having p|roblems |
|00000200| 77 69 74 68 20 65 78 69 | 74 20 66 72 6f 6d 20 57 |with exi|t from W|
|00000210| 53 34 0d 0a 77 68 69 6c | 65 20 75 73 69 6e 67 20 |S4..whil|e using |
|00000220| 5a 43 50 52 20 77 69 74 | 68 20 73 68 65 6c 6c 20 |ZCPR wit|h shell |
|00000230| 63 61 70 61 62 69 6c 69 | 74 79 2c 20 72 75 6e 20 |capabili|ty, run |
|00000240| 53 48 45 4c 4c 49 4e 49 | 2e 43 4f 4d 20 62 65 66 |SHELLINI|.COM bef|
|00000250| 6f 72 65 20 75 73 69 6e | 67 0d 0a 57 53 34 28 6f |ore usin|g..WS4(o|
|00000260| 72 20 79 6f 75 20 6d 61 | 79 20 6d 6f 64 69 66 79 |r you ma|y modify|
|00000270| 20 79 6f 75 72 20 42 49 | 4f 53 20 74 6f 20 69 6e | your BI|OS to in|
|00000280| 69 74 69 61 6c 69 7a 65 | 20 61 6c 6c 20 31 32 38 |itialize| all 128|
|00000290| 20 62 79 74 65 73 20 6f | 66 20 79 6f 75 72 0d 0a | bytes o|f your..|
|000002a0| 73 68 65 6c 6c 20 73 74 | 61 63 6b 29 2e 20 4d 79 |shell st|ack). My|
|000002b0| 20 53 54 41 52 54 55 50 | 2e 43 4f 4d 20 61 6c 69 | STARTUP|.COM ali|
|000002c0| 61 73 20 69 6e 63 6c 75 | 64 65 73 20 53 48 45 4c |as inclu|des SHEL|
|000002d0| 4c 49 4e 49 2e 43 4f 4d | 2e 0d 0a 1a 1a 1a 1a 1a |LINI.COM|........|
|000002e0| 1a 1a 1a 1a 1a 1a 1a 1a | 1a 1a 1a 1a 1a 1a 1a 1a |........|........|
|000002f0| 1a 1a 1a 1a 1a 1a 1a 1a | 1a 1a 1a 1a 1a 1a 1a 1a |........|........|
|00000300| 3b 0d 0a 3b 50 72 6f 67 | 72 61 6d 20 74 6f 20 69 |;..;Prog|ram to i|
|00000310| 6e 69 74 69 61 6c 69 7a | 65 20 74 68 65 20 65 6e |nitializ|e the en|
|00000320| 74 69 72 65 20 31 32 38 | 20 62 79 74 65 73 20 6f |tire 128| bytes o|
|00000330| 66 20 74 68 65 20 73 68 | 65 6c 6c 20 73 74 61 63 |f the sh|ell stac|
|00000340| 6b 20 0d 0a 3b 54 68 69 | 73 20 69 73 20 6e 65 63 |k ..;Thi|s is nec|
|00000350| 65 73 73 61 72 79 20 66 | 6f 72 20 57 6f 72 64 73 |essary f|or Words|
|00000360| 74 61 72 20 43 50 4d 20 | 56 65 72 73 69 6f 6e 20 |tar CPM |Version |
|00000370| 34 20 6f 6e 6c 79 0d 0a | 3b 4e 6f 76 65 6d 62 65 |4 only..|;Novembe|
|00000380| 72 2c 20 31 39 38 37 2d | 2d 42 69 66 66 20 42 75 |r, 1987-|-Biff Bu|
|00000390| 65 66 66 65 6c 0d 0a 3b | 0d 0a 5a 33 45 4e 56 09 |effel..;|..Z3ENV.|
|000003a0| 65 71 75 09 30 66 65 30 | 30 68 09 09 3b 66 6f 72 |equ.0fe0|0h..;for|
|000003b0| 20 64 65 62 75 67 67 69 | 6e 67 20 70 75 72 70 6f | debuggi|ng purpo|
|000003c0| 73 65 73 20 6f 6e 6c 79 | 0d 0a 73 68 73 69 7a 65 |ses only|..shsize|
|000003d0| 09 65 71 75 09 31 32 38 | 09 09 3b 75 73 75 61 6c |.equ.128|..;usual|
|000003e0| 20 73 69 7a 65 20 6f 66 | 20 73 68 65 6c 6c 20 73 | size of| shell s|
|000003f0| 74 61 63 6b 0d 0a 3b 0d | 0a 09 6f 72 67 09 31 30 |tack..;.|..org.10|
|00000400| 30 68 0d 0a 09 6a 70 09 | 73 74 61 72 74 0d 0a 09 |0h...jp.|start...|
|00000410| 64 62 09 27 5a 33 45 4e | 56 27 0d 0a 09 64 62 09 |db.'Z3EN|V'...db.|
|00000420| 31 0d 0a 7a 33 65 61 64 | 72 09 64 77 09 5a 33 45 |1..z3ead|r.dw.Z3E|
|00000430| 4e 56 09 09 3b 5a 33 45 | 4e 56 20 61 64 64 72 65 |NV..;Z3E|NV addre|
|00000440| 73 73 0d 0a 73 74 61 72 | 74 3a 0d 0a 09 6c 64 09 |ss..star|t:...ld.|
|00000450| 68 6c 2c 30 09 09 3b 73 | 61 76 65 20 43 50 4d 20 |hl,0..;s|ave CPM |
|00000460| 73 74 61 63 6b 0d 0a 09 | 61 64 64 09 68 6c 2c 73 |stack...|add.hl,s|
|00000470| 70 09 09 3b 0d 0a 09 6c | 64 09 28 63 70 6d 73 74 |p..;...l|d.(cpmst|
|00000480| 6b 29 2c 68 6c 09 3b 09 | 0d 0a 09 63 61 6c 6c 09 |k),hl.;.|...call.|
|00000490| 73 68 6c 6f 63 09 09 3b | 67 65 74 20 61 64 64 72 |shloc..;|get addr|
|000004a0| 65 73 73 20 6f 66 20 7a | 33 73 68 65 6c 6c 20 73 |ess of z|3shell s|
|000004b0| 74 61 63 6b 0d 0a 09 63 | 61 6c 6c 09 69 6e 73 68 |tack...c|all.insh|
|000004c0| 6c 09 09 3b 69 6e 69 74 | 69 61 6c 69 7a 65 20 73 |l..;init|ialize s|
|000004d0| 68 65 6c 6c 20 73 74 61 | 63 6b 0d 0a 09 6c 64 09 |hell sta|ck...ld.|
|000004e0| 68 6c 2c 28 63 70 6d 73 | 74 6b 29 09 3b 67 65 74 |hl,(cpms|tk).;get|
|000004f0| 20 43 50 4d 20 73 74 61 | 63 6b 0d 0a 09 6c 64 09 | CPM sta|ck...ld.|
|00000500| 73 70 2c 68 6c 09 09 3b | 0d 0a 09 72 65 74 09 09 |sp,hl..;|...ret..|
|00000510| 09 3b 62 61 63 6b 20 74 | 6f 20 43 50 4d 0d 0a 3b |.;back t|o CPM..;|
|00000520| 0d 0a 3b 09 46 69 6e 64 | 20 61 6e 64 20 73 61 76 |..;.Find| and sav|
|00000530| 65 20 73 68 65 6c 6c 20 | 73 74 61 63 6b 20 61 64 |e shell |stack ad|
|00000540| 64 72 65 73 73 0d 0a 3b | 0d 0a 73 68 6c 6f 63 3a |dress..;|..shloc:|
|00000550| 09 6c 64 09 68 6c 2c 28 | 7a 33 65 61 64 72 29 09 |.ld.hl,(|z3eadr).|
|00000560| 3b 67 65 74 20 7a 33 65 | 6e 76 20 61 64 64 72 65 |;get z3e|nv addre|
|00000570| 73 73 0d 0a 09 6c 64 09 | 61 2c 33 30 09 09 3b 6f |ss...ld.|a,30..;o|
|00000580| 66 66 73 65 74 20 74 6f | 20 66 69 6e 64 20 73 68 |ffset to| find sh|
|00000590| 65 6c 6c 20 73 74 61 63 | 6b 20 61 64 64 72 65 73 |ell stac|k addres|
|000005a0| 73 0d 0a 09 61 64 64 09 | 61 2c 6c 09 09 3b 61 64 |s...add.|a,l..;ad|
|000005b0| 64 20 6f 66 66 73 65 74 | 20 74 6f 20 6c 0d 0a 09 |d offset| to l...|
|000005c0| 6c 64 09 6c 2c 61 09 09 | 3b 70 6c 61 63 65 20 72 |ld.l,a..|;place r|
|000005d0| 65 73 75 6c 74 20 69 6e | 20 6c 0d 0a 09 78 6f 72 |esult in| l...xor|
|000005e0| 09 61 09 09 3b 7a 65 72 | 6f 20 61 0d 0a 09 61 64 |.a..;zer|o a...ad|
|000005f0| 63 09 61 2c 68 09 09 3b | 61 64 64 20 61 6e 79 20 |c.a,h..;|add any |
|00000600| 63 61 72 72 79 20 74 6f | 20 68 0d 0a 09 6c 64 09 |carry to| h...ld.|
|00000610| 68 2c 61 09 09 3b 70 6c | 61 63 65 20 72 65 73 75 |h,a..;pl|ace resu|
|00000620| 6c 74 20 69 6e 20 68 0d | 0a 09 6c 64 09 61 2c 28 |lt in h.|..ld.a,(|
|00000630| 68 6c 29 09 09 3b 67 65 | 74 20 6c 6f 77 20 62 79 |hl)..;ge|t low by|
|00000640| 74 65 20 73 68 65 6c 6c | 20 73 74 61 63 6b 20 61 |te shell| stack a|
|00000650| 64 64 72 65 73 73 0d 0a | 09 6c 64 09 28 73 68 6c |ddress..|.ld.(shl|
|00000660| 61 64 72 29 2c 61 09 3b | 73 74 6f 72 65 20 69 74 |adr),a.;|store it|
|00000670| 0d 0a 09 69 6e 63 09 68 | 6c 09 09 3b 62 75 6d 70 |...inc.h|l..;bump|
|00000680| 20 70 6f 69 6e 74 65 72 | 0d 0a 09 6c 64 09 61 2c | pointer|...ld.a,|
|00000690| 28 68 6c 29 09 09 3b 67 | 65 74 20 68 69 67 68 20 |(hl)..;g|et high |
|000006a0| 62 79 74 65 20 73 68 65 | 6c 6c 20 73 74 61 63 6b |byte she|ll stack|
|000006b0| 20 61 64 64 72 65 73 73 | 0d 0a 09 6c 64 09 28 73 | address|...ld.(s|
|000006c0| 68 6c 61 64 72 2b 31 29 | 2c 61 09 3b 73 74 6f 72 |hladr+1)|,a.;stor|
|000006d0| 65 20 69 74 0d 0a 09 72 | 65 74 0d 0a 3b 0d 0a 3b |e it...r|et..;..;|
|000006e0| 09 49 6e 69 74 69 61 6c | 69 7a 65 20 74 68 65 20 |.Initial|ize the |
|000006f0| 73 68 65 6c 6c 20 73 74 | 61 63 6b 0d 0a 3b 0d 0a |shell st|ack..;..|
|00000700| 69 6e 73 68 6c 3a 09 6c | 64 09 68 6c 2c 28 73 68 |inshl:.l|d.hl,(sh|
|00000710| 6c 61 64 72 29 09 3b 67 | 65 74 20 73 68 65 6c 6c |ladr).;g|et shell|
|00000720| 20 73 74 61 63 6b 20 61 | 64 64 72 65 73 73 20 69 | stack a|ddress i|
|00000730| 6e 74 6f 20 68 6c 20 72 | 65 67 69 73 74 65 72 0d |nto hl r|egister.|
|00000740| 0a 09 6c 64 09 62 2c 28 | 73 68 73 69 7a 65 29 09 |..ld.b,(|shsize).|
|00000750| 3b 31 32 38 20 62 79 74 | 65 73 0d 0a 7a 65 72 6f |;128 byt|es..zero|
|00000760| 6d 3a 09 6c 64 09 28 68 | 6c 29 2c 30 09 09 3b 30 |m:.ld.(h|l),0..;0|
|00000770| 20 6d 65 6d 6f 72 79 0d | 0a 09 69 6e 63 09 68 6c | memory.|..inc.hl|
|00000780| 09 09 3b 70 6f 69 6e 74 | 20 74 6f 20 6e 65 78 74 |..;point| to next|
|00000790| 20 62 79 74 65 0d 0a 09 | 64 6a 6e 7a 09 7a 65 72 | byte...|djnz.zer|
|000007a0| 6f 6d 09 09 3b 0d 0a 09 | 72 65 74 0d 0a 3b 0d 0a |om..;...|ret..;..|
|000007b0| 73 68 6c 61 64 72 09 64 | 73 09 32 09 09 3b 73 74 |shladr.d|s.2..;st|
|000007c0| 6f 72 61 67 65 20 66 6f | 72 20 73 68 65 6c 6c 20 |orage fo|r shell |
|000007d0| 73 74 61 63 6b 20 61 64 | 64 72 65 73 73 0d 0a 63 |stack ad|dress..c|
|000007e0| 70 6d 73 74 6b 09 65 71 | 75 09 24 0d 0a 65 6e 64 |pmstk.eq|u.$..end|
|000007f0| 09 73 74 61 72 74 0d 0a | 1a 1a 1a 1a 1a 1a 1a 1a |.start..|........|
+--------+-------------------------+-------------------------+--------+--------+