every_gosub.c

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/*****************************************************************************
 * ugBASIC - an isomorphic BASIC language compiler for retrocomputers        *
 *****************************************************************************
 * Copyright 2021-2026 Marco Spedaletti (asimov@mclink.it)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
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 * See the License for the specific language governing permissions and
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 *----------------------------------------------------------------------------
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/****************************************************************************
 * INCLUDE SECTION 
 ****************************************************************************/
 
#include "../../ugbc.h"
 
/****************************************************************************
 * CODE SECTION 
 ****************************************************************************/

/* <usermanual>
@keyword EVERY...GOSUB
 
@target c64
</usermanual> */
void every_ticks_gosub( Environment * _environment, char * _timing, char * _label, char * _timer ) {
 
    Variable * timing = variable_retrieve_or_define( _environment, _timing, VT_WORD, 0 );
    Variable * timer = NULL;
    char * timerRealName = NULL;
    if ( _timer ) {
        timer = variable_retrieve_or_define( _environment, _timer, VT_BYTE, 0 );
        timerRealName = timer->realName;
    }
 
    c64_timer_set_address( _environment, timerRealName, _label );
    c64_timer_set_counter( _environment, timerRealName, timing->realName );
    c64_timer_set_init( _environment, timerRealName, timing->realName );
 
}