ugBASIC 1.18
An isomorphic BASIC language compiler for retrocomputers
Loading...
Searching...
No Matches
hit.c
Go to the documentation of this file.
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
54/* <usermanual>
55@keyword HIT
56@target c64
57</usermanual> */
58Variable * hit_to( Environment * _environment, int _sprite ) {
59
60 Variable * result = variable_temporary( _environment, VT_BYTE, "(result)" );
61
62 char sprite[MAX_TEMPORARY_STORAGE]; sprintf(sprite, "#$%2.2x", _sprite);
63
64 vic2_hit( _environment, sprite, result->realName );
65
66 return result;
67
68}
69
83/* <usermanual>
84@keyword HIT
85</usermanual> */
86Variable * hit_to_vars( Environment * _environment, char * _sprite ) {
87
88 // Safety check -- expression must exists (it should be always true)
89 Variable * sprite = variable_retrieve( _environment, _sprite );
90
91 // Safety check -- expression must exists (it should be always true)
92 Variable * result = variable_temporary( _environment, VT_BYTE, "(result)" );
93
94 vic2_hit( _environment, sprite->realName, result->realName );
95
96 return result;
97
98}
99
Variable * variable_retrieve(Environment *_environment, char *_name)
Variable * variable_temporary(Environment *_environment, VariableType _type, char *_meaning)
Define a temporary variable.
Variable * hit_to_vars(Environment *_environment, char *_sprite)
Emit ASM code for = HIT([expression]).
Definition hit.c:77
Variable * hit_to(Environment *_environment, int _sprite)
Emit ASM code for = HIT([int]x).
Definition hit.c:57
char * realName
Definition ugbc.h:982
#define MAX_TEMPORARY_STORAGE
Definition ugbc.h:563
struct _Variable Variable
Structure of a single variable.
struct _Environment Environment
Structure of compilation environment.
@ VT_BYTE
Definition ugbc.h:450
void vic2_hit(Environment *_environment, char *_sprite_mask, char *_result)
VIC-II: emit code to check for collision
Definition vic2.c:616