raster_at.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
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *----------------------------------------------------------------------------
 * Concesso in licenza secondo i termini della Licenza Apache, versione 2.0
 * (la "Licenza"); è proibito usare questo file se non in conformità alla
 * Licenza. Una copia della Licenza è disponibile all'indirizzo:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
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 * Se non richiesto dalla legislazione vigente o concordato per iscritto,
 * il software distribuito nei termini della Licenza è distribuito
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/****************************************************************************
 * INCLUDE SECTION 
 ****************************************************************************/
 
#include "../../ugbc.h"
 
/****************************************************************************
 * CODE SECTION 
 ****************************************************************************/

/* <usermanual>
@keyword RASTER AT
 
@target c16
</usermanual> */
void raster_at( Environment * _environment, char * _label, int _position ) {
 
    char positionlo[MAX_TEMPORARY_STORAGE]; sprintf( positionlo, "#$%2.2x", (unsigned char) ( _position & 0xff )  );
    char positionhi[MAX_TEMPORARY_STORAGE]; sprintf( positionhi, "#$%2.2x", (unsigned char) ( ( ( _position >> 8 ) & 0x01 ) << 8 ) );
 
    ted_raster_at( _environment, _label, positionlo, positionhi );
 
}

void raster_at_var( Environment * _environment, char * _label, char * _position ) {
   
    
 
    MAKE_LABEL
 
    Variable * var = variable_retrieve( _environment, _position );
 
    char positionlo[MAX_TEMPORARY_STORAGE]; sprintf( positionlo, "%s", var->realName );
    char positionhi[MAX_TEMPORARY_STORAGE]; sprintf( positionhi, "%s", address_displacement(_environment, var->realName, "1") );
 
    ted_raster_at( _environment, _label, positionlo, positionhi );
 
}