-
Notifications
You must be signed in to change notification settings - Fork 6
/
TestForForwardReference.a
135 lines (112 loc) · 2.27 KB
/
TestForForwardReference.a
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
!cpu 6510
!ct scr
!to "TestForForwardReference.prg", cbm
.value = 0
; sys 1700
* = 1700
.length = .textEnd - .textStart
start
ldx #.length-1
.l1
lda .textStart,x
sta $0400,x
dex
bpl .l1
; Note forward reference with a for loop
!for .t , .length {
lda .textStart + .t - 1
sta $0500 + .t - 1
}
; This heavily contrived example then causes further updates in the next pass based on the changing value of length
!for .t , .length / 3 {
lda .textStart + .t - 1
sta $0600 + .t - 1
}
rts
.textStart
!tx "This is *very* ugly code"
; This is also heavily contrived, but pushes the convergence tests (Displays "Detected result change:" in the output) further by changing the length of the text based on previous changed length
; See: IsLabelSameAsLastValue() and GetLabelNumberDifferences()
!for .t , .length / 5 {
!tx "."
}
.textEnd
!set bar = filebyte("src/alu.c" , .value+1)
!if bar != '/' {
; Test for successfully reading the second byte of the alu.c file, which should be "/"
!error "oops"
}
!set .t = peekbyte(.textStart)
!if .t != 'T' {
!error "oops2"
}
!by filebyte("src/alu.c" , .value+1)
!disablesegmentcheck
!set .t = *
!by 0 , 1 , 2 , 3
lda $02
* = .t
!by 4 , 5 , 6 , 7
sta $02
!enablesegmentcheck
swizzleMemory
!word $0123
!by $04
!word $5678
!by $09
!word $abcd
!by $0e
!word $1122
!by $33
!swizzle swizzleMemory , 4 , 3
; First should be 4 low bytes of the !word
!set .t = peekbyte(swizzleMemory)
!if .t != $23 {
!error "oops31"
}
!set .t = peekbyte(swizzleMemory+1)
!if .t != $78 {
!error "oops32"
}
!set .t = peekbyte(swizzleMemory+2)
!if .t != $cd {
!error "oops33"
}
!set .t = peekbyte(swizzleMemory+3)
!if .t != $22 {
!error "oops34"
}
; Next row, the high bytes of each !word
!set .t = peekbyte(swizzleMemory+4)
!if .t != $01 {
!error "oops41"
}
!set .t = peekbyte(swizzleMemory+5)
!if .t != $56 {
!error "oops42"
}
!set .t = peekbyte(swizzleMemory+6)
!if .t != $ab {
!error "oops43"
}
!set .t = peekbyte(swizzleMemory+7)
!if .t != $11 {
!error "oops44"
}
; Next row, the bytes
!set .t = peekbyte(swizzleMemory+8)
!if .t != $04 {
!error "oops51"
}
!set .t = peekbyte(swizzleMemory+9)
!if .t != $09 {
!error "oops52"
}
!set .t = peekbyte(swizzleMemory+10)
!if .t != $0e {
!error "oops53"
}
!set .t = peekbyte(swizzleMemory+11)
!if .t != $33 {
!error "oops54"
}