-
Notifications
You must be signed in to change notification settings - Fork 1
/
WINDOW2.TXT
194 lines (177 loc) · 3.49 KB
/
WINDOW2.TXT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
NAM WINDOW SUBROUTINES
* GET
*
* THIS ROUTINE GETS THE PORTION
* OF THE REAL WINDOW THAT IS
* DISPLAYABLE AND PUTS IN ON
* THE SCREEN. THE COORDINATES
* OF THE REAL SCREEN GO IN
* WINDOX, WINDOY
*
WINDOX FDB 0 (0-54)
WINDOY FCB 0 (0-69)
DONE FCB 0
PUTFLG FCB 0 0=PUT/255=GET
GET LDA #$FF
STA PUTFLG
GET2 LDU #$8000+22+24*160
* U=SCREEN POSITION
LDA #48
LDB WINDOY
A@ CMPB #52
BLO B@
SUBB #52
INCA
BRA A@
B@ PSHS A
PSHS B
* A=STARTING PAGE NUMBER
* B=# ROWS OFFSET INTO THAT
* PAGE
STA $FFA2
INCA
STA $FFA3
LDB WINDOY
LDA #160
MUL
ADDD #$4000
CMPD #$6000
BLO A@
SUBD #$2000
A@ TFR D,X X=WHERE
LDD WINDOX
LSRA
RORB
ABX
LDA #52
SUBA ,S+
STA DONE #ROWS DONE
JSR MOVE
INC ,S
A@ LDA ,S
STA $FFA2
INCA
STA $FFA3
LEAX -$2000,X
LDA #131
SUBA DONE
CMPA #52
BLO B@
LDA #52
B@ PSHS A A=# TO DO
ADDA DONE
STA DONE
PULS A A=# ROWS
BSR MOVE
INC ,S NEXT BLOCK
LDA DONE
CMPA #131
BLO A@
LDA #$3A
STA $FFA2
INCA
STA $FFA3
LEAS 1,S
RTS
* THIS ROUTINE COPIES "A"
* ROWS OF DATA FROM "X" TO "U"
MCOUNT FCB 0
OLDSTK FDB 0
MOVE TST PUTFLG
BNE A@
EXG X,U
A@ STA MCOUNT
STS OLDSTK
TFR X,S
* MOVE 1 ROW (133 BYTES)
AA1 LEAU 6,U
PULS D,X,Y 1
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 2
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 3
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 4
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 5
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 6
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 7
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 8
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 9
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 10
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 11
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 12
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 13
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 14
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 15
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 16
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 17
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 18
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 19
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 20
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 21
PSHU D,X,Y
LEAU 12,U
PULS D,X,Y 22
PSHU D,X,Y
* 22x6=132, DO 1 MORE:
LEAU 7,U
PULS A
PSHU A
LEAS 27,S
LEAU 28,U
DEC MCOUNT
LBNE AA1
TFR S,X
TST PUTFLG
BNE A@
EXG X,U
A@ LDS OLDSTK
RTS
* PUT
*
* THIS ROUTINE, ODDLY ENOUGH,
* DOES THE OPPOSITE OF GET.
* IT PUTS THE DATA ON THE ICON
* SCREEN BACK WHERE IT BELONGS
* ON THE BIG SCREEN
*
PUT CLR PUTFLG
JMP GET2
END