-
Notifications
You must be signed in to change notification settings - Fork 3
/
Copy pathbridge_macro.inc
132 lines (121 loc) · 3.48 KB
/
bridge_macro.inc
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
;*******************************************************************************
;Copyright 2022-2024, Stefan Jakobsson
;
;Redistribution and use in source and binary forms, with or without modification,
;are permitted provided that the following conditions are met:
;
;1. Redistributions of source code must retain the above copyright notice, this
; list of conditions and the following disclaimer.
;
;2. Redistributions in binary form must reproduce the above copyright notice,
; this list of conditions and the following disclaimer in the documentation
; and/or other materials provided with the distribution.
;
;THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS”
;AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
;DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
;FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
;SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
;CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
;OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
;OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;*******************************************************************************
;*******************************************************************************
;Dedicated macro that calls Kernal code from the first bank
bridge_call = bridge_code
bridge_addr = bridge_call+12
.if target_mem=target_rom
.macro bridge_setaddr addr
lda #<addr
sta bridge_addr
lda #>addr
sta bridge_addr+1
.endmacro
.else
.macro bridge_setaddr addr
;Do nothing
.endmacro
.endif
.if target_mem=target_ram
.macro bridge_call addr
jsr addr
.endmacro
.else
.macro bridge_call addr
jsr bridge_call
.endmacro
.endif
;*******************************************************************************
; Far call to any ROM bank
.if target_mem=target_rom
.macro call_far1 addr
php
pha
lda #<addr
sta jsrfar_addr
lda #>addr
sta jsrfar_addr+1
pla
plp
jsr jsrfar1
.endmacro
.macro call_far2 addr
php
pha
lda #<addr
sta jsrfar_addr
lda #>addr
sta jsrfar_addr+1
pla
plp
jsr jsrfar1
.endmacro
.else
.macro call_far1 addr
jsr addr
.endmacro
.macro call_far2 addr
jsr addr
.endmacro
.endif
;*******************************************************************************
; Far call from the first to the second ROM bank or vice versa
.if target_mem=target_rom
.macro call_firstbank addr
php
pha
lda #<addr
sta jsrfar_addr
lda #>addr
sta jsrfar_addr+1
lda ROM_SEL
dec
sta jsrfar_bank
pla
plp
jsr jsrfar2
.endmacro
.macro call_secondbank addr
php
pha
lda #<addr
sta jsrfar_addr
lda #>addr
sta jsrfar_addr+1
lda ROM_SEL
inc
sta jsrfar_bank
pla
plp
jsr jsrfar1
.endmacro
.else
.macro call_firstbank addr
jsr addr
.endmacro
.macro call_secondbank addr
jsr addr
.endmacro
.endif