projects / z180-stamp.git / blame
| Commit | Line | Data |
|---|---|---|
| 30d1329e L |
1 | page 255\r |
| 2 | .z80\r | |
| 3 | \r | |
| 4 | \r | |
| e4c4b148 | 5 | ; CP/M 3 compatible character i/o\r |
| 30d1329e L |
6 | \r |
| 7 | public ?cinit,?ci,?co,?cist,?cost\r | |
| 8 | public @ctbl\r | |
| 9 | \r | |
| 10 | extrn ff.init,ff.i.st,ff.in,ff.o.st,ff.out\r | |
| 2fe44122 L |
11 | extrn as0init,as0ista,as0inp,as0osta,as0out\r |
| 12 | extrn as1init,as1ista,as1inp,as1osta,as1out\r | |
| e4c4b148 | 13 | \r |
| 30d1329e L |
14 | include config.inc\r |
| 15 | include z180reg.inc\r | |
| 16 | include modebaud.inc ; define mode bits and baud eqautes\r | |
| 17 | \r | |
| 18 | \r | |
| 2fe44122 | 19 | max$device equ 3\r |
| 30d1329e L |
20 | \r |
| 21 | cseg\r | |
| 22 | \r | |
| 23 | ; c = device\r | |
| 24 | \r | |
| 25 | ?cinit: ; init devices\r | |
| 26 | ld b,c\r | |
| 27 | call vector$io\r | |
| 28 | dw ff.init\r | |
| 2fe44122 L |
29 | dw as0init\r |
| 30 | dw as1init\r | |
| 30d1329e L |
31 | dw rret\r |
| 32 | \r | |
| 33 | ; b = device, c = output char, a = input char\r | |
| 34 | \r | |
| 35 | ?ci: ; character input\r | |
| 36 | call vector$io\r | |
| 37 | dw ff.in\r | |
| 2fe44122 L |
38 | dw as0inp\r |
| 39 | dw as1inp\r | |
| 30d1329e L |
40 | dw null$input\r |
| 41 | \r | |
| 42 | ?cist: ; character input status\r | |
| 43 | call vector$io\r | |
| 44 | dw ff.i.st\r | |
| 2fe44122 L |
45 | dw as0ista\r |
| 46 | dw as1ista\r | |
| 30d1329e L |
47 | dw null$status\r |
| 48 | \r | |
| 49 | ?co: ; character output\r | |
| 50 | call vector$io\r | |
| 51 | dw ff.out\r | |
| 2fe44122 L |
52 | dw as0out\r |
| 53 | dw as1out\r | |
| 30d1329e L |
54 | dw rret\r |
| 55 | \r | |
| 56 | ?cost: ; character output status\r | |
| 57 | call vector$io\r | |
| 58 | dw ff.o.st\r | |
| 2fe44122 L |
59 | dw as0osta\r |
| 60 | dw as1osta\r | |
| 30d1329e L |
61 | dw ret$true\r |
| 62 | \r | |
| 63 | vector$io:\r | |
| 64 | ld a,max$device\r | |
| 65 | ld e,b\r | |
| 66 | vector:\r | |
| 67 | pop hl\r | |
| 68 | ld d,0\r | |
| 69 | cp e\r | |
| 70 | jr nc,exist\r | |
| 71 | ld e,a ; use null device if a >= max$device\r | |
| 72 | exist: add hl,de\r | |
| 73 | add hl,de\r | |
| 74 | ld a,(hl)\r | |
| 75 | inc hl\r | |
| 76 | ld h,(hl)\r | |
| 77 | ld l,a\r | |
| 78 | jp (hl)\r | |
| 79 | \r | |
| 80 | \r | |
| 81 | null$input:\r | |
| 82 | ld a,1Ah\r | |
| 83 | rret:\r | |
| 84 | ret\r | |
| 85 | ret$true:\r | |
| 86 | or 0FFh\r | |
| 87 | ret\r | |
| 88 | \r | |
| 89 | null$status:\r | |
| 90 | xor a\r | |
| 91 | ret\r | |
| 92 | \r | |
| 93 | ;--------------------------------------------------------------\r | |
| 94 | \r | |
| 95 | \r | |
| 96 | @ctbl:\r | |
| 97 | db 'HOST ' ; device 0\r | |
| 2fe44122 | 98 | db mb$in$out\r |
| 30d1329e L |
99 | db baud$none\r |
| 100 | \r | |
| e4c4b148 | 101 | db 'ASCI0 ' ; device 1\r |
| 2fe44122 L |
102 | db mb$in$out+mb$serial+mb$soft$baud\r |
| 103 | ser0$baud:\r | |
| 104 | db baud$19200\r | |
| 105 | \r | |
| 106 | db 'ASCI1 ' ; device 2\r | |
| 30d1329e L |
107 | db mb$in$out+mb$serial+mb$soft$baud\r |
| 108 | ser1$baud:\r | |
| 109 | db baud$19200\r | |
| 110 | \r | |
| 111 | db 0 ; table terminator\r | |
| 112 | \r | |
| 113 | end\r |