ugBASIC 1.18
An isomorphic BASIC language compiler for retrocomputers
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bank_read.c
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1/*****************************************************************************
2 * ugBASIC - an isomorphic BASIC language compiler for retrocomputers *
3 *****************************************************************************
4 * Copyright 2021-2026 Marco Spedaletti (asimov@mclink.it)
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *----------------------------------------------------------------------------
18 * Concesso in licenza secondo i termini della Licenza Apache, versione 2.0
19 * (la "Licenza"); è proibito usare questo file se non in conformità alla
20 * Licenza. Una copia della Licenza è disponibile all'indirizzo:
21 *
22 * http://www.apache.org/licenses/LICENSE-2.0
23 *
24 * Se non richiesto dalla legislazione vigente o concordato per iscritto,
25 * il software distribuito nei termini della Licenza è distribuito
26 * "COSÌ COM'È", SENZA GARANZIE O CONDIZIONI DI ALCUN TIPO, esplicite o
27 * implicite. Consultare la Licenza per il testo specifico che regola le
28 * autorizzazioni e le limitazioni previste dalla medesima.
29 ****************************************************************************/
30
31/****************************************************************************
32 * INCLUDE SECTION
33 ****************************************************************************/
34
35#include "../../ugbc.h"
36
49void bank_read_semi_var( Environment * _environment, int _bank, int _address1, char * _address2, int _size ) {
50
51 deploy_preferred( duff, src_hw_6809_duff_asm );
52 deploy_preferred( msc1, src_hw_6809_msc1_asm );
53 deploy_preferred( bank, src_hw_mo5_bank_asm );
54
55 int realAddress = _address1;
56
57 outline0("; bank read sv")
58 outline1("LDB #$%2.2x", _bank );
59 outline1("LDY #$%4.4x", realAddress );
60 outline1("LDX #%s", _address2 );
61
62 switch( _size ) {
63 case 1:
64 outline0("JSR BANKREAD1");
65 _environment->bankAccessOptimization.read1 = 1;
66 break;
67 case 2:
68 outline0("JSR BANKREAD2");
69 _environment->bankAccessOptimization.read2 = 1;
70 break;
71 case 4:
72 outline0("JSR BANKREAD4");
73 _environment->bankAccessOptimization.read4 = 1;
74 break;
75 default:
76 outline1("LDU #$%4.4x", _size );
77 outline0("JSR BANKREAD");
78 _environment->bankAccessOptimization.readn = 1;
79 break;
80
81 }
82 outline0("; end bank read");
83
84}
85
98void bank_read_vars( Environment * _environment, char * _bank, char * _address1, char * _address2, char * _size ) {
99
100 deploy_preferred( duff, src_hw_6809_duff_asm );
101 deploy_preferred( msc1, src_hw_6809_msc1_asm );
102 deploy_preferred( bank, src_hw_mo5_bank_asm );
103
104 Variable * bank = variable_retrieve_or_define( _environment, _bank, VT_BYTE, 0 );
105 Variable * address1 = variable_retrieve_or_define( _environment, _address1, VT_ADDRESS, 0 );
106 Variable * address2 = variable_retrieve_or_define( _environment, _address2, VT_ADDRESS, 0 );
107 Variable * size = variable_retrieve_or_define( _environment, _size, VT_WORD, 0 );
108
109 outline0("; bank read rv")
110 outline1("LDB %s", bank->realName );
111 outline1("LDY %s", address1->realName );
112 outline1("LDX %s", address2->realName );
113 outline1("LDU %s", size->realName );
114 outline0("JSR BANKREAD");
115 _environment->bankAccessOptimization.readn = 1;
116 outline0("; end bank read");
117
118}
119
120void bank_read_vars_direct( Environment * _environment, char * _bank, char * _address1, char * _address2, char * _size ) {
121
122 deploy_preferred( duff, src_hw_6809_duff_asm );
123 deploy_preferred( msc1, src_hw_6809_msc1_asm );
124 deploy_preferred( bank, src_hw_mo5_bank_asm );
125
126 Variable * bank = variable_retrieve_or_define( _environment, _bank, VT_BYTE, 0 );
127 Variable * address1 = variable_retrieve_or_define( _environment, _address1, VT_ADDRESS, 0 );
128 Variable * size = variable_retrieve_or_define( _environment, _size, VT_WORD, 0 );
129
130 outline0("; bank read rvd")
131 outline1("LDB %s", bank->realName );
132 outline1("LDY %s", address1->realName );
133 outline1("LDX #%s", _address2 );
134 outline1("LDU %s", size->realName );
135 outline0("JSR BANKREAD");
136 _environment->bankAccessOptimization.readn = 1;
137 outline0("; end bank read");
138
139}
140
141void bank_read_vars_direct_size( Environment * _environment, char * _bank, char * _address1, char * _address2, int _size ) {
142
143 deploy_preferred( duff, src_hw_6809_duff_asm );
144 deploy_preferred( msc1, src_hw_6809_msc1_asm );
145 deploy_preferred( bank, src_hw_mo5_bank_asm );
146
147 Variable * bank = variable_retrieve_or_define( _environment, _bank, VT_BYTE, 0 );
148 Variable * address1 = variable_retrieve_or_define( _environment, _address1, VT_ADDRESS, 0 );
149
150 outline0("; bank read rvd")
151 outline1("LDB %s", bank->realName );
152 outline1("LDY %s", address1->realName );
153 outline1("LDX #%s", _address2 );
154 switch( _size ) {
155 case 1:
156 outline0("JSR BANKREAD1");
157 _environment->bankAccessOptimization.read1 = 1;
158 break;
159 case 2:
160 outline0("JSR BANKREAD2");
161 _environment->bankAccessOptimization.read2 = 1;
162 break;
163 case 4:
164 outline0("JSR BANKREAD4");
165 _environment->bankAccessOptimization.read4 = 1;
166 break;
167 default:
168 outline1("LDU #$%4.4x", _size );
169 outline0("JSR BANKREAD");
170 _environment->bankAccessOptimization.readn = 1;
171 break;
172
173 }
174 outline0("; end bank read");
175
176}
177
178void bank_read_vars_bank_direct_size_vars( Environment * _environment, int _bank, char * _address1, char * _address2, int _size ) {
179
180 deploy_preferred( duff, src_hw_6809_duff_asm );
181 deploy_preferred( msc1, src_hw_6809_msc1_asm );
182 deploy_preferred( bank, src_hw_mo5_bank_asm );
183
184 Variable * address1 = variable_retrieve_or_define( _environment, _address1, VT_ADDRESS, 0 );
185
186 outline0("; bank read rvd")
187 outline1("LDB #$%2.2x", _bank );
188 outline1("LDY %s", address1->realName );
189 outline1("LDX #%s", _address2 );
190 switch( _size ) {
191 case 1:
192 outline0("JSR BANKREAD1");
193 _environment->bankAccessOptimization.read1 = 1;
194 break;
195 case 2:
196 outline0("JSR BANKREAD2");
197 _environment->bankAccessOptimization.read2 = 1;
198 break;
199 case 4:
200 outline0("JSR BANKREAD4");
201 _environment->bankAccessOptimization.read4 = 1;
202 break;
203 default:
204 outline1("LDU #$%4.4x", _size );
205 outline0("JSR BANKREAD");
206 _environment->bankAccessOptimization.readn = 1;
207 break;
208
209 }
210 outline0("; end bank read");
211
212}
213
214void bank_read_vars_bank_direct_size( Environment * _environment, int _bank, char * _address1, char * _address2, int _size ) {
215
216 deploy_preferred( duff, src_hw_6809_duff_asm );
217 deploy_preferred( msc1, src_hw_6809_msc1_asm );
218 deploy_preferred( bank, src_hw_mo5_bank_asm );
219
220 Variable * address1 = variable_retrieve_or_define( _environment, _address1, VT_ADDRESS, 0 );
221 Variable * address2 = variable_retrieve( _environment, _address2 );
222
223 outline0("; bank read rvd")
224 outline1("LDB #$%2.2x", _bank );
225 outline1("LDY %s", address1->realName );
226 outline1("LDX #%s", address2->realName );
227 switch( _size ) {
228 case 1:
229 outline0("JSR BANKREAD1");
230 _environment->bankAccessOptimization.read1 = 1;
231 break;
232 case 2:
233 outline0("JSR BANKREAD2");
234 _environment->bankAccessOptimization.read2 = 1;
235 break;
236 case 4:
237 outline0("JSR BANKREAD4");
238 _environment->bankAccessOptimization.read4 = 1;
239 break;
240 default:
241 outline1("LDU #$%4.4x", _size );
242 outline0("JSR BANKREAD");
243 _environment->bankAccessOptimization.readn = 1;
244 break;
245
246 }
247 outline0("; end bank read");
248
249}
250
variable_retrieve
Variable * variable_retrieve(Environment *_environment, char *_name)
Definition _infrastructure.c:988
variable_retrieve_or_define
Variable * variable_retrieve_or_define(Environment *_environment, char *_name, VariableType _type, int _value)
Definition _infrastructure.c:1040
size
int size
Definition _optimizer.c:678
bank_read_semi_var
void bank_read_semi_var(Environment *_environment, int _bank, int _address1, char *_address2, int _size)
Emit ASM code for instruction BANK READ ....
Definition bank_read.c:50
bank_read_vars_bank_direct_size
void bank_read_vars_bank_direct_size(Environment *_environment, int _bank, char *_address1, char *_address2, int _size)
Definition bank_read.c:218
bank_read_vars_direct_size
void bank_read_vars_direct_size(Environment *_environment, char *_bank, char *_address1, char *_address2, int _size)
Definition bank_read.c:169
bank_read_vars
void bank_read_vars(Environment *_environment, char *_bank, char *_address1, char *_address2, char *_size)
Emit ASM code for instruction BANK READ ....
Definition bank_read.c:107
bank_read_vars_direct
void bank_read_vars_direct(Environment *_environment, char *_bank, char *_address1, char *_address2, char *_size)
Definition bank_read.c:138
bank_read_vars_bank_direct_size_vars
void bank_read_vars_bank_direct_size_vars(Environment *_environment, int _bank, char *_address1, char *_address2, int _size)
Definition bank_read.c:178
_BankAccessOptimization::read1
int read1
Definition ugbc.h:2093
_BankAccessOptimization::read4
int read4
Definition ugbc.h:2095
_BankAccessOptimization::readn
int readn
Definition ugbc.h:2096
_BankAccessOptimization::read2
int read2
Definition ugbc.h:2094
_Environment::bankAccessOptimization
BankAccessOptimization bankAccessOptimization
Definition ugbc.h:3269
_Variable::realName
char * realName
Definition ugbc.h:982
Variable
struct _Variable Variable
Structure of a single variable.
Environment
struct _Environment Environment
Structure of compilation environment.
VT_WORD
@ VT_WORD
Definition ugbc.h:455
VT_BYTE
@ VT_BYTE
Definition ugbc.h:450
VT_ADDRESS
@ VT_ADDRESS
Definition ugbc.h:465
deploy_preferred
#define deploy_preferred(s, e)
Definition ugbc.h:4299
outline0
#define outline0(s)
Definition ugbc.h:4252
outline1
#define outline1(s, a)
Definition ugbc.h:4253