to8.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
 *
 * Se non richiesto dalla legislazione vigente o concordato per iscritto,
 * il software distribuito nei termini della Licenza è distribuito
 * "COSì COM'è", SENZA GARANZIE O CONDIZIONI DI ALCUN TIPO, esplicite o
 * implicite. Consultare la Licenza per il testo specifico che regola le
 * autorizzazioni e le limitazioni previste dalla medesima.
 ****************************************************************************/
 
/****************************************************************************
 * INCLUDE SECTION 
 ****************************************************************************/
 
#include "../ugbc.h"
#include <math.h>
 
/****************************************************************************
 * CODE SECTION
 ****************************************************************************/
 
#ifdef __to8__
 
void to8_xpen( Environment * _environment, char * _destination ) {
 
    MAKE_LABEL
 
    outline0("LDA $FF60");    
    outline1("STA %s", address_displacement(_environment, _destination, "1"));
    outline0("LDA #0");
    outline1("STA %s", _destination);
 
}
 
void to8_ypen( Environment * _environment, char * _destination ) {
 
    MAKE_LABEL
 
    outline0("LDA $FF61");    
    outline1("STA %s", address_displacement(_environment, _destination, "1"));
    outline0("LDA #0");
    outline1("STA %s", _destination);
   
}
 
void to8_color_border( Environment * _environment, char * _color ) {
 
}
 
void to8_vscroll( Environment * _environment, int _displacement ) {
 
}
 
void to8_text_at( Environment * _environment, char * _text, char * _text_size, char * _pen, char * _paper ) {
 
}
 
void to8_cls( Environment * _environment, char * _pen, char * _paper ) {
 
}
 
void to8_inkey( Environment * _environment, char * _pressed, char * _key ) {
 
    deploy_preferred( scancode, src_hw_to8_scancode_asm );
 
    MAKE_LABEL
 
    outline0("JSR INKEY" );
    outline1("STB %s", _key );
    outline1("STA %s", _pressed );
}
 
void to8_wait_key_or_fire( Environment * _environment, int _port, int _release ) {
 
 
}
 
void to8_wait_key_or_fire_semivar( Environment * _environment, char * _port, int _release ) {
 
}
 
void to8_wait_fire( Environment * _environment, int _port, int _release ) {
    
    if ( _environment->joystickConfig.notEmulated ) {
 
    } else {
        
        _environment->bitmaskNeeded = 1;
 
        deploy_preferred( keyboard, src_hw_to8_keyboard_asm );
        deploy( joystick, src_hw_to8_joystick_asm );
 
        if ( _port == -1 ) {
            outline0("JSR WAITFIRE");
        } else {
            outline1("LDA #$%2.2x", (unsigned char)(_port&0xff) );
            outline0("JSR WAITFIREX");
        }
    }
 
}
 
void to8_wait_fire_semivar( Environment * _environment, char * _port, int _release ) {
 
    if ( _environment->joystickConfig.notEmulated ) {
 
    } else {
        
        _environment->bitmaskNeeded = 1;
 
        deploy_preferred( keyboard, src_hw_to8_keyboard_asm );
        deploy( joystick, src_hw_to8_joystick_asm );
 
        if ( !_port ) {
            outline0("JSR WAITFIRE");
        } else {
            outline1("LDA %s", _port );
            outline0("JSR WAITFIREX");
        }
    }
 
}
 
void to8_scancode( Environment * _environment, char * _pressed, char * _scancode ) {
 
    MAKE_LABEL
 
    deploy_preferred( scancode, src_hw_to8_scancode_asm );
 
    outline0("JSR SCANCODE" );
    outline1("STB %s", _scancode );
    outline1("STA %s", _pressed );
 
}
 
void to8_scanshift( Environment * _environment, char * _shifts ) {
 
    to8_keyshift( _environment, _shifts );
    
}
 
void to8_keyshift( Environment * _environment, char * _shifts ) {
 
    MAKE_LABEL
 
    Variable * pressed = variable_temporary( _environment, VT_BYTE, "(pressed)" );
    Variable * scancode = variable_temporary( _environment, VT_BYTE, "(scancode)" );
 
    Variable * result = variable_temporary( _environment, VT_BYTE, "(result)");
    
    to8_scancode( _environment, pressed->realName, scancode->realName );
 
}
 
void to8_clear_key( Environment * _environment ) {
 
}
 
void to8_initialization( Environment * _environment ) {
 
}
 
int to8_screen_mode_enable( Environment * _environment, ScreenMode * _screen_mode ) {
    
}
 
void to8_bitmap_enable( Environment * _environment, int _width, int _height, int _colors ) {
 
}
 
void to8_tilemap_enable( Environment * _environment, int _width, int _height, int _colors, int _tile_width, int _tile_height ) {
    
}
 
void to8_back( Environment * _environment ) {
 
}
 
void to8_busy_wait( Environment * _environment, char * _timing ) {
 
    MAKE_LABEL
 
    outline1("LDD %s", _timing );
    outline0("LDX TO8TIMER");
    outline0("LEAX D, X");
    outhead1("%sfirst", label );
    interleaved_instructions( _environment );
    outline0("CMPX TO8TIMER");
    outline1("BGT %sfirst", label);
}
 
void to8_key_pressed( Environment * _environment, char *_scancode, char * _result ) {
 
    MAKE_LABEL
 
    deploy_preferred( scancode, src_hw_to8_scancode_asm );
 
    outline1("LDA %s", _scancode );
    outline0("JSR KEYPRESSED");
    outline1("BEQ %snopressed", label );
    outline0("LDA #$ff" );
    outline1("STA %s", _result );
    outline1("BRA %sfinish", label );
    outhead1("%snopressed", label );
    outline0("LDA #0" );
    outline1("STA %s", _result );
    outhead1("%sfinish", label );
 
}
 
void to8_joystick_semivars( Environment * _environment, char * _joystick, char * _result ) {
 
    if ( _environment->joystickConfig.notEmulated ) {
        cpu_store_8bit( _environment, _result, 0 );
    } else {
        
        _environment->bitmaskNeeded = 1;
 
        deploy_preferred( scancode, src_hw_to8_scancode_asm );
        deploy( joystick, src_hw_to8_joystick_asm );
 
        outline1("LDA %s", _joystick);
        outline0("JSR JOYSTICK");
        outline1("STA %s", _result);
 
    }
 
}
 
void to8_joystick( Environment * _environment, int _joystick, char * _result ) {
 
    if ( _environment->joystickConfig.notEmulated ) {
        cpu_store_8bit( _environment, _result, 0 );
    } else {
        
        _environment->bitmaskNeeded = 1;
 
        deploy_preferred( scancode, src_hw_to8_scancode_asm );
        deploy( joystick, src_hw_to8_joystick_asm );
 
        outline1("LDA #$%2.2x", _joystick);
        outline0("JSR JOYSTICK");
        outline1("STA %s", _result);
 
    }
 
}
 
void to8_sys_call( Environment * _environment, int _destination ) {
 
    _environment->sysCallUsed = 1;
 
    outline0("PSHS D");
    outline1("LDD #$%4.4x", _destination );
    outline0("STD SYSCALL0+1");
    outline0("PULS D");
    outline0("JSR SYSCALL");
 
}
 
void to8_timer_set_status_on( Environment * _environment, char * _timer ) {
    
    deploy( timer, src_hw_6809_timer_asm);
 
    if ( _timer ) {
        outline1("LDB %s", _timer );
    } else {
        outline0("LDB #0" );
    }
    outline0("LDA #$1" );
    outline0("STA <MATHPTR0" );
    outline0("JSR TIMERSETSTATUS" );
 
}
 
void to8_timer_set_status_off( Environment * _environment, char * _timer ) {
 
    deploy( timer, src_hw_6809_timer_asm);
 
    if ( _timer ) {
        outline1("LDB %s", _timer );
    } else {
        outline0("LDB #0" );
    }
    outline0("LDA #$0" );
    outline0("STA <MATHPTR0" );
    outline0("JSR TIMERSETSTATUS" );
 
}
 
void to8_timer_set_counter( Environment * _environment, char * _timer, char * _counter ) {
 
    deploy( timer, src_hw_6809_timer_asm);
 
    if ( _counter ) {
        outline1("LDD %s", _counter );
    } else {
        outline0("LDD #0" );
    }
    outline0("STD <MATHPTR2");
    if ( _timer ) {
        outline1("LDB %s", _timer );
    } else {
        outline0("LDB #0" );
    }
    outline0("JSR TIMERSETCOUNTER" );
 
}
 
void to8_timer_set_init( Environment * _environment, char * _timer, char * _init ) {
 
    deploy( timer, src_hw_6809_timer_asm);
 
    outline1("LDD %s", _init );
    outline0("STD <MATHPTR2");
    if ( _timer ) {
        outline1("LDB %s", _timer );
    } else {
        outline0("LDB #0" );
    }
    outline0("JSR TIMERSETINIT" );
 
}
 
void to8_timer_set_address( Environment * _environment, char * _timer, char * _address ) {
 
    deploy( timer, src_hw_6809_timer_asm);
 
    outline1("LDD #%s", _address );
    outline0("STD <MATHPTR2");
    if ( _timer ) {
        outline1("LDB %s", _timer );
    } else {
        outline0("LDB #0" );
    }
    outline0("JSR TIMERSETADDRESS" );
 
}
 
void to8_dload( Environment * _environment, char * _address, char * _bank, char * _size ) {
 
    deploy( dload, src_hw_to8_dload_asm);
 
    if ( _bank ) {
        outline1("LDA %s", _bank );
    } else {
        outline0("CLRA" );
    }
    outline1("LDX %s", _address );
    outline1("LDU %s", _size );
    outline0("JSR DLOAD" );
 
}
 
#endif