ugBASIC 1.18
An isomorphic BASIC language compiler for retrocomputers
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color.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
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29 ****************************************************************************/
30
31/****************************************************************************
32 * INCLUDE SECTION
33 ****************************************************************************/
34
35#include "../../ugbc.h"
36
47/* <usermanual>
48@keyword COLOR
49
50@target cpc
51</usermanual> */
52/* <usermanual>
53@keyword COLOUR
54
55@target cpc
56</usermanual> */
57void color( Environment * _environment, int _index, int _shade ) {
58
59 cpc_background_color( _environment, _index, _shade );
60
61}
62
73void color_semivars( Environment * _environment, int _index, char *_shade ) {
74
75 Variable * shade = variable_retrieve_or_define( _environment, _shade, VT_WORD, 0 );
76
77 cpc_background_color_semivars( _environment, _index, shade->realName );
78
79}
80
91void color_vars( Environment * _environment, char *_index, char *_shade ) {
92
93 Variable * index = variable_retrieve_or_define( _environment, _index, VT_BYTE, 0 );
94 Variable * shade = variable_retrieve_or_define( _environment, _shade, VT_WORD, 0 );
95
96 cpc_background_color_vars( _environment, index->realName, shade->realName );
97
98}
Variable * variable_retrieve_or_define(Environment *_environment, char *_name, VariableType _type, int _value)
void color_vars(Environment *_environment, char *_index, char *_shade)
Emit ASM code for instruction COLOR [expression], [expression].
Definition color.c:93
void color(Environment *_environment, int _index, int _shade)
Emit ASM code for instruction COLOR [int], [int].
Definition color.c:59
void color_semivars(Environment *_environment, int _index, char *_shade)
Emit ASM code for instruction COLOR [expression], [expression].
Definition color.c:75
void cpc_background_color_semivars(Environment *_environment, int _index, char *_background_color)
cpc: emit code to change background color
Definition cpc.c:477
void cpc_background_color(Environment *_environment, int _index, int _background_color)
cpc: emit code to change background color
Definition cpc.c:427
void cpc_background_color_vars(Environment *_environment, char *_index, char *_background_color)
cpc: emit code to change background color
Definition cpc.c:452
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