ugBASIC 1.18
An isomorphic BASIC language compiler for retrocomputers
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textmap_at.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
37/****************************************************************************
38 * CODE SECTION
39 ****************************************************************************/
40
41#if defined(__plus4__) || defined(__c16__)
42
43void textmap_at( Environment * _environment, int _address ) {
44
45
46
47 // Let's define the special variable bitmapAddress, and update
48 // it with the requested value.
49 Variable * TEXTADDRESS = variable_retrieve( _environment, "TEXTADDRESS" );
50 variable_store( _environment, TEXTADDRESS->realName, ( ( _address >> 10 ) & 0x0f ) * 0x8400 );
51
52 char addressString[MAX_TEMPORARY_STORAGE]; sprintf(addressString, "#$%2.2x", ( _address >> 8 ) & 0xff );
53
54 ted_textmap_at( _environment, addressString );
55
56}
57
58void textmap_at_var( Environment * _environment, char * _address ) {
59
60
61
62 Variable * TEXTADDRESS = variable_retrieve( _environment, "TEXTADDRESS" );
63 Variable * address = variable_retrieve( _environment, _address );
64
65 variable_move( _environment, address->name, TEXTADDRESS->name );
66
67 char addressString[MAX_TEMPORARY_STORAGE]; sprintf(addressString, "%s", address_displacement(_environment, address->realName, "1") );
68
69 ted_textmap_at( _environment, addressString );
70
71}
72
73#endif
Variable * variable_retrieve(Environment *_environment, char *_name)
Variable * variable_move(Environment *_environment, char *_source, char *_destination)
Store the value of a variable inside another variable by converting it.
Variable * variable_store(Environment *_environment, char *_destination, unsigned int _value)
Store a direct value to a variable.
char * address_displacement(Environment *_environment, char *_address, char *_displacement)
void textmap_at_var(Environment *_environment, char *_address)
Emit ASM code for TEXTMAP AT [expression].
Definition textmap_at.c:88
void textmap_at(Environment *_environment, int _address)
Emit ASM code for TEXTMAP AT [int]xx.
Definition textmap_at.c:61
char * name
Definition ugbc.h:979
char * realName
Definition ugbc.h:982
void ted_textmap_at(Environment *_environment, char *_address)
Definition ted.c:990
#define MAX_TEMPORARY_STORAGE
Definition ugbc.h:563
struct _Variable Variable
Structure of a single variable.
struct _Environment Environment
Structure of compilation environment.
@ TEXTADDRESS
Definition ugbc.tab.h:855