ugBASIC 1.18
An isomorphic BASIC language compiler for retrocomputers
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bank_write.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_write_vars( Environment * _environment, char * _address1, char * _bank, char * _address2, char * _size ) {
50
51 deploy_preferred( duff, src_hw_6309_duff_asm );
52 deploy_preferred( msc1, src_hw_6309_msc1_asm );
53 deploy_preferred( bank, src_hw_coco3b_bank_asm );
54
55 Variable * bank = variable_retrieve_or_define( _environment, _bank, VT_BYTE, 0 );
56 Variable * address1 = variable_retrieve_or_define( _environment, _address1, VT_ADDRESS, 0 );
57 Variable * address2 = variable_retrieve_or_define( _environment, _address2, VT_ADDRESS, 0 );
58 Variable * size = variable_retrieve_or_define( _environment, _size, VT_WORD, 0 );
59
60 outline1("LDY %s", address1->realName );
61 outline1("LDX %s", address2->realName );
62 outline1("LDA %s", bank->realName );
63 outline1("LDU %s", size->realName );
64 outline0("JSR BANKREAD");
65
66 outline0("; end bank read");
67
68}
69
70void bank_write_vars_direct( Environment * _environment, char * _address1, char * _bank, char * _address2, char * _size ) {
71
72 deploy_preferred( duff, src_hw_6309_duff_asm );
73 deploy_preferred( msc1, src_hw_6309_msc1_asm );
74 deploy_preferred( bank, src_hw_coco3b_bank_asm );
75
76 Variable * bank = variable_retrieve_or_define( _environment, _bank, VT_BYTE, 0 );
77 Variable * address1 = variable_retrieve_or_define( _environment, _address1, VT_ADDRESS, 0 );
78 Variable * address2 = variable_retrieve_or_define( _environment, _address2, VT_ADDRESS, 0 );
79 Variable * size = variable_retrieve_or_define( _environment, _size, VT_WORD, 0 );
80
81 outline1("LDY #%s", address1->realName );
82 outline1("LDX %s", address2->realName );
83 outline1("LDA %s", bank->realName );
84 outline1("LDU %s", size->realName );
85 outline0("JSR BANKREAD");
86
87 outline0("; end bank read");
88
89}
90
91void bank_write_vars_bank_direct_size( Environment * _environment, char * _address1, int _bank, char * _address2, int _size ) {
92
93 deploy_preferred( duff, src_hw_6309_duff_asm );
94 deploy_preferred( msc1, src_hw_6309_msc1_asm );
95 deploy_preferred( bank, src_hw_coco3b_bank_asm );
96
97 Variable * address1 = variable_retrieve_or_define( _environment, _address1, VT_ADDRESS, 0 );
98 Variable * address2 = variable_retrieve_or_define( _environment, _address2, VT_ADDRESS, 0 );
99
100 outline1("LDY #%s", address1->realName );
101 outline1("LDX %s", address2->realName );
102 outline1("LDA #$%2.2x", _bank );
103
104 switch( _size ) {
105 case 1:
106 outline0("JSR BANKWRITE1");
107 _environment->bankAccessOptimization.write1 = 1;
108 break;
109 case 2:
110 outline0("JSR BANKWRITE2");
111 _environment->bankAccessOptimization.write2 = 1;
112 break;
113 case 4:
114 outline0("JSR BANKWRITE4");
115 _environment->bankAccessOptimization.write4 = 1;
116 break;
117 default:
118 outline1("LDU #$%4.4x", _size );
119 outline0("JSR BANKWRITE");
120 _environment->bankAccessOptimization.writen = 1;
121 break;
122
123 }
124 outline0("; end bank read");
125}
126
127void bank_write_semi_var( Environment * _environment, char * _address2, int _bank, int _address1, int _size ) {
128
129 deploy_preferred( duff, src_hw_6309_duff_asm );
130 deploy_preferred( msc1, src_hw_6309_msc1_asm );
131 deploy_preferred( bank, src_hw_coco3b_bank_asm );
132
133 Variable * address2 = variable_retrieve_or_define( _environment, _address2, VT_ADDRESS, 0 );
134
135 outline1("LDY %s", address2->realName );
136 outline1("LDA #$%2.2x", _bank );
137 outline1("LDX #$%4.4x", _address1 );
138
139 switch( _size ) {
140 case 1:
141 outline0("JSR BANKREAD1");
142 _environment->bankAccessOptimization.read1 = 1;
143 break;
144 case 2:
145 outline0("JSR BANKREAD2");
146 _environment->bankAccessOptimization.read2 = 1;
147 break;
148 case 4:
149 outline0("JSR BANKREAD4");
150 _environment->bankAccessOptimization.read4 = 1;
151 break;
152 default:
153 outline1("LDU #$%4.4x", _size );
154 outline0("JSR BANKREAD");
155 _environment->bankAccessOptimization.readn = 1;
156 break;
157
158 }
159 outline0("; end bank read");
160
161}
Variable * variable_retrieve_or_define(Environment *_environment, char *_name, VariableType _type, int _value)
int size
Definition _optimizer.c:678
void bank_write_vars_direct(Environment *_environment, char *_address1, char *_bank, char *_address2, char *_size)
Definition bank_write.c:80
void bank_write_vars_bank_direct_size(Environment *_environment, char *_address1, int _bank, char *_address2, int _size)
Definition bank_write.c:111
void bank_write_vars(Environment *_environment, char *_address1, char *_bank, char *_address2, char *_size)
Emit ASM code for instruction BANK WRITE ....
Definition bank_write.c:49
void bank_write_semi_var(Environment *_environment, char *_address2, int _bank, int _address1, int _size)
Definition bank_write.c:127
BankAccessOptimization bankAccessOptimization
Definition ugbc.h:3269
char * realName
Definition ugbc.h:982
struct _Variable Variable
Structure of a single variable.
struct _Environment Environment
Structure of compilation environment.
@ VT_WORD
Definition ugbc.h:455
@ VT_BYTE
Definition ugbc.h:450
@ VT_ADDRESS
Definition ugbc.h:465
#define deploy_preferred(s, e)
Definition ugbc.h:4299
#define outline0(s)
Definition ugbc.h:4252
#define outline1(s, a)
Definition ugbc.h:4253