Mercurial > hg > Members > kono > nitros9-code
annotate level1/cmds/verify.asm @ 161:fed96c42e0b4
The files that are the same between level2 and level2v3 have been
removed and in those cases where the documentation is better for level2v3
of the disassebled file, the file has been moved to level2/CMDS
author | roug |
---|---|
date | Mon, 08 Jul 2002 20:10:06 +0000 |
parents | 6641a883d6b0 |
children | e9ce43cc215e |
rev | line source |
---|---|
0 | 1 ******************************************************************** |
2 * Verify - Verify a module's CRC | |
3 * | |
4 * $Id$ | |
5 * | |
6 * Ed. Comments Who YY/MM/DD | |
7 * ------------------------------------------------------------------ | |
8 * 5 Original Tandy distribution version | |
9 | |
10 nam Verify | |
11 ttl Verify a module's CRC | |
12 | |
13 * Disassembled 98/09/15 00:03:43 by Disasm v1.6 (C) 1988 by RML | |
14 | |
15 ifp1 | |
16 use defsfile | |
17 endc | |
18 | |
19 tylg set Prgrm+Objct | |
20 atrv set ReEnt+rev | |
21 rev set $01 | |
22 edition set 5 | |
23 | |
24 mod eom,name,tylg,atrv,start,size | |
25 | |
26 u0000 rmb 1 | |
27 u0001 rmb 1 | |
28 u0002 rmb 1 | |
29 u0003 rmb 2 | |
30 u0005 rmb 1 | |
31 u0006 rmb 2 | |
32 u0008 rmb 2 | |
33 u000A rmb 57 | |
34 u0043 rmb 195 | |
35 u0106 rmb 1000 | |
36 size equ . | |
37 | |
38 name fcs /Verify/ | |
39 fcb edition | |
40 | |
41 start leas >u0106,u | |
42 sts <u0006 | |
43 tfr y,d | |
44 subd <u0006 | |
45 std <u0008 | |
46 clr <u0005 | |
47 L0023 lda ,x+ | |
161
fed96c42e0b4
The files that are the same between level2 and level2v3 have been
roug
parents:
0
diff
changeset
|
48 cmpa #C$SPAC |
0 | 49 beq L0023 |
50 anda #$5F | |
51 cmpa #$55 | |
52 bne L0031 | |
53 inc <u0005 | |
54 L0031 ldd #$0009 | |
55 std <u0003 | |
56 lbsr L00F6 | |
57 bcs L004D | |
58 cmpy #$0009 | |
59 bne L0055 | |
60 ldd ,x | |
161
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The files that are the same between level2 and level2v3 have been
roug
parents:
0
diff
changeset
|
61 cmpd #M$ID12 |
0 | 62 bne L0055 |
63 bsr L0059 | |
64 bra L0031 | |
161
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roug
parents:
0
diff
changeset
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65 L004D cmpb #E$EOF |
0 | 66 bne L0052 |
67 clrb | |
68 L0052 os9 F$Exit | |
161
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The files that are the same between level2 and level2v3 have been
roug
parents:
0
diff
changeset
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69 L0055 ldb #M$ID2 |
0 | 70 bra L0052 |
71 L0059 clrb | |
72 lda #$08 | |
73 L005C eorb ,x+ | |
74 deca | |
75 bne L005C | |
76 lda <u0005 | |
77 bne L0079 | |
78 eorb ,x | |
79 incb | |
80 beq L0070 | |
81 leax >L012F,pcr | |
82 bra L0074 | |
83 L0070 leax >L0115,pcr | |
84 L0074 lbsr L010B | |
85 bra L007C | |
86 L0079 comb | |
87 stb ,x | |
88 L007C ldx <u0006 | |
89 ldy $02,x | |
90 leay -$03,y | |
91 sty <u0003 | |
92 ldd #$FFFF | |
93 std <u0000 | |
94 stb <u0002 | |
95 bsr L00D6 | |
96 lda <u0005 | |
97 bne L00B6 | |
98 ldd #$0003 | |
99 std <u0003 | |
100 bsr L00D6 | |
101 lda <u0000 | |
102 cmpa #$80 | |
103 bne L00A8 | |
104 ldd <u0001 | |
105 cmpd #$0FE3 | |
106 beq L00AE | |
107 L00A8 leax >L015C,pcr | |
108 bra L00B2 | |
109 L00AE leax >L014C,pcr | |
110 L00B2 bsr L010B | |
111 bra L00CF | |
112 L00B6 com <u0000 | |
113 com <u0001 | |
114 com <u0002 | |
115 lda #$01 | |
116 leax ,u | |
117 ldy #$0003 | |
118 os9 I$Write | |
119 bcs L0052 | |
120 clra | |
121 os9 I$Read | |
122 bcs L0052 | |
123 L00CF rts | |
124 L00D0 bsr L00F6 | |
125 lbcs L0052 | |
126 L00D6 ldy <u000A | |
127 beq L00D0 | |
128 os9 F$CRC | |
129 lda <u0005 | |
130 beq L00EB | |
131 lda #$01 | |
132 os9 I$Write | |
133 lbcs L0052 | |
134 L00EB ldd <u0003 | |
135 subd <u000A | |
136 std <u0003 | |
137 bne L00D0 | |
138 std <u000A | |
139 rts | |
140 L00F6 clra | |
141 ldx <u0006 | |
142 ldy <u0008 | |
143 cmpy <u0003 | |
144 bls L0104 | |
145 ldy <u0003 | |
146 L0104 os9 I$Read | |
147 sty <u000A | |
148 rts | |
149 L010B lda #$02 | |
150 ldy #$0050 | |
151 os9 I$WritLn | |
152 rts | |
153 L0115 fcc "Header parity is correct." | |
154 fcb C$CR | |
155 L012F fcc "Header parity is INCORRECT !" | |
156 fcb C$CR | |
157 L014C fcc "CRC is correct." | |
158 fcb C$CR | |
159 L015C fcc "CRC is INCORRECT !" | |
160 fcb C$CR | |
161 | |
162 emod | |
163 eom equ * | |
164 end |