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special header file for debugger: emulator_for_debugger.h

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This commit is contained in:
Gwenhael Le Moine 2024-04-10 14:21:10 +02:00
parent 84328c19ae
commit d4a3bae009
No known key found for this signature in database
GPG key ID: FDFE3669426707A7
7 changed files with 163 additions and 141 deletions
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1
src/debugger.c
View file

@ -9,6 +9,7 @@
#include "runtime_options.h"
#include "emulator.h"
#include "emulator_for_debugger.h"
#include "romio.h"
#include "ui.h" /* ui_update_LCD(); */
#include "debugger.h"

1
src/debugger.h
View file

@ -2,6 +2,7 @@
#define _DEBUGGER_H 1
#include "emulator.h"
#include "emulator_for_debugger.h"
#define USER_INTERRUPT 1
#define ILLEGAL_INSTRUCTION 2

168
src/emu_init.c
View file

@ -90,43 +90,6 @@ hpkey_t keyboard[ 49 ] = {
int annunciators_bits[ NB_ANNUNCIATORS ] = { ANN_LEFT, ANN_RIGHT, ANN_ALPHA, ANN_BATTERY, ANN_BUSY, ANN_IO };
int read_rom( const char* fname )
{
int ram_size;
if ( !read_rom_file( fname, &saturn.rom, &rom_size ) )
return 0;
if ( verbose )
printf( "read %s\n", fname );
dev_memory_init();
ram_size = opt_gx ? RAM_SIZE_GX : RAM_SIZE_SX;
if ( NULL == ( saturn.ram = ( word_4* )malloc( ram_size ) ) ) {
if ( verbose )
fprintf( stderr, "can\'t malloc RAM\n" );
return 0;
}
memset( saturn.ram, 0, ram_size );
port1_size = 0;
port1_mask = 0;
port1_is_ram = false;
saturn.port1 = ( unsigned char* )0;
port2_size = 0;
port2_mask = 0;
port2_is_ram = false;
saturn.port2 = ( unsigned char* )0;
saturn.card_status = 0;
return 1;
}
void saturn_config_init( void )
{
saturn.version[ 0 ] = VERSION_MAJOR;
@ -174,53 +137,6 @@ void init_saturn( void )
dev_memory_init();
}
void init_display( void )
{
display.on = ( int )( saturn.disp_io & 0x8 ) >> 3;
display.disp_start = ( saturn.disp_addr & 0xffffe );
display.offset = ( saturn.disp_io & 0x7 );
display.lines = ( saturn.line_count & 0x3f );
if ( display.lines == 0 )
display.lines = 63;
if ( display.offset > 3 )
display.nibs_per_line = ( NIBBLES_PER_ROW + saturn.line_offset + 2 ) & 0xfff;
else
display.nibs_per_line = ( NIBBLES_PER_ROW + saturn.line_offset ) & 0xfff;
display.disp_end = display.disp_start + ( display.nibs_per_line * ( display.lines + 1 ) );
display.menu_start = saturn.menu_addr;
display.menu_end = saturn.menu_addr + 0x110;
display.contrast = saturn.contrast_ctrl;
display.contrast |= ( ( saturn.disp_test & 0x1 ) << 4 );
}
int init_emulator( void )
{
/* If files are successfully read => return and let's go */
if ( read_files() ) {
if ( resetOnStartup )
saturn.PC = 0x00000;
return 0;
}
/* if files were not readble => initialize */
if ( verbose )
fprintf( stderr, "initialization of %s\n", normalized_config_path );
init_saturn();
if ( !read_rom( normalized_rom_path ) )
exit( 1 ); /* can't read ROM */
return 0;
}
void exit_emulator( void ) { write_files(); }
/***********************************************/
/* READING ~/.config/x48ng/{rom,ram,state,port1,port2} */
/***********************************************/
@ -1017,3 +933,87 @@ int write_files( void )
return 1;
}
int read_rom( const char* fname )
{
int ram_size;
if ( !read_rom_file( fname, &saturn.rom, &rom_size ) )
return 0;
if ( verbose )
printf( "read %s\n", fname );
dev_memory_init();
ram_size = opt_gx ? RAM_SIZE_GX : RAM_SIZE_SX;
if ( NULL == ( saturn.ram = ( word_4* )malloc( ram_size ) ) ) {
if ( verbose )
fprintf( stderr, "can\'t malloc RAM\n" );
return 0;
}
memset( saturn.ram, 0, ram_size );
port1_size = 0;
port1_mask = 0;
port1_is_ram = false;
saturn.port1 = ( unsigned char* )0;
port2_size = 0;
port2_mask = 0;
port2_is_ram = false;
saturn.port2 = ( unsigned char* )0;
saturn.card_status = 0;
return 1;
}
void init_display( void )
{
display.on = ( int )( saturn.disp_io & 0x8 ) >> 3;
display.disp_start = ( saturn.disp_addr & 0xffffe );
display.offset = ( saturn.disp_io & 0x7 );
display.lines = ( saturn.line_count & 0x3f );
if ( display.lines == 0 )
display.lines = 63;
if ( display.offset > 3 )
display.nibs_per_line = ( NIBBLES_PER_ROW + saturn.line_offset + 2 ) & 0xfff;
else
display.nibs_per_line = ( NIBBLES_PER_ROW + saturn.line_offset ) & 0xfff;
display.disp_end = display.disp_start + ( display.nibs_per_line * ( display.lines + 1 ) );
display.menu_start = saturn.menu_addr;
display.menu_end = saturn.menu_addr + 0x110;
display.contrast = saturn.contrast_ctrl;
display.contrast |= ( ( saturn.disp_test & 0x1 ) << 4 );
}
int init_emulator( void )
{
/* If files are successfully read => return and let's go */
if ( read_files() ) {
if ( resetOnStartup )
saturn.PC = 0x00000;
return 0;
}
/* if files were not readble => initialize */
if ( verbose )
fprintf( stderr, "initialization of %s\n", normalized_config_path );
init_saturn();
if ( !read_rom( normalized_rom_path ) )
exit( 1 ); /* can't read ROM */
return 0;
}
void exit_emulator( void ) { write_files(); }

1
src/emu_keyboard.c
View file

@ -1,6 +1,7 @@
#include <stdio.h>
#include "emulator.h"
#include "emulator_inner.h"
void press_key( int hpkey )
{

34
src/emulator.h
View file

@ -324,48 +324,28 @@ extern int annunciators_bits[ NB_ANNUNCIATORS ];
/**************/
extern void init_display( void ); /* used in main.c */
extern int init_emulator( void ); /* used in main.c */
extern void exit_emulator( void ); /* debugger.c; main.c; ui_*.c */
extern int read_files( void ); /* debugger.c */
extern int write_files( void ); /* used in debugger.c */
/***************/
/* emu_timer.c */
/***************/
extern void start_timer( int timer );
extern void stop_timer( int timer );
extern t1_t2_ticks get_t1_t2( void );
extern void set_accesstime( void );
extern void exit_emulator( void ); /* used in debugger.c; main.c; ui_*.c */
/********************/
/* emu_memory.c */
/********************/
extern int ( *read_nibble )( long addr );
/****************/
/* emu_memory.c */
/****************/
extern long read_nibbles( long addr, int len );
extern int ( *read_nibble )( long addr ); /* used in debugger.c; ui_*.c */
/******************/
/* emu_keyboard.c */
/******************/
extern void press_key( int hpkey );
extern void release_key( int hpkey );
extern void release_all_keys( void );
extern void press_key( int hpkey ); /* used in ui_*.c */
extern void release_key( int hpkey ); /* used in ui_*.c */
extern void release_all_keys( void ); /* used in ui_*.c */
/****************/
/* emu_serial.c */
/****************/
extern int init_serial( void );
extern int init_serial( void ); /* used in main.c */
/*****************/
/* emu_emulate.c */
/*****************/
extern void load_addr( word_20* dat, long addr, int n );
extern void do_kbd_int( void );
extern int step_instruction( void );
extern void schedule( void );
extern void emulate( void );
extern void emulate( void ); /* used in main.c */
#endif /* !_EMULATOR_H */

38
src/emulator_for_debugger.h Normal file
View file

@ -0,0 +1,38 @@
#ifndef _EMULATOR_FOR_DEBUGGER_H
#define _EMULATOR_FOR_DEBUGGER_H 1
#include "emulator.h"
/**************/
/* emu_init.c */
/**************/
extern void exit_emulator( void ); /* used in debugger.c; main.c; ui_*.c */
extern int read_files( void ); /* used in debugger.c */
extern int write_files( void ); /* used in debugger.c */
/***************/
/* emu_timer.c */
/***************/
extern void start_timer( int timer ); /* used in debugger.c */
extern void stop_timer( int timer ); /* used in debugger.c */
extern t1_t2_ticks get_t1_t2( void ); /* used in debugger.c */
extern void set_accesstime( void ); /* used in debugger.c */
/********************/
/* emu_memory.c */
/********************/
extern int ( *read_nibble )( long addr ); /* used in debugger.c; ui_*.c */
/****************/
/* emu_memory.c */
/****************/
extern long read_nibbles( long addr, int len ); /* used in debugger.c */
/*****************/
/* emu_emulate.c */
/*****************/
extern void load_addr( word_20* dat, long addr, int n ); /* used in debugger.c */
extern int step_instruction( void ); /* used in debugger.c */
extern void schedule( void ); /* used in debugger.c */
#endif /* !_EMULATOR_FOR_DEBUGGER_H */

61
src/emulator_inner.h
View file

@ -24,6 +24,7 @@ extern word_64 get_timer( int timer );
/* emu_emulate.c */
/*****************/
extern void do_interupt( void );
extern void do_kbd_int( void );
/********************/
/* emu_memory.c */
@ -39,36 +40,36 @@ extern void dev_memory_init( void ); /* */
/******************/
/* emu_register.c */
/******************/
int get_start( int code );
int get_end( int code );
void add_p_plus_one( unsigned char* r );
void add_register_constant( unsigned char* res, int code, int val );
void sub_register_constant( unsigned char* res, int code, int val );
void add_register( unsigned char* res, unsigned char* r1, unsigned char* r2, int code );
void sub_register( unsigned char* res, unsigned char* r1, unsigned char* r2, int code );
void complement_2_register( unsigned char* r, int code );
void complement_1_register( unsigned char* r, int code );
void inc_register( unsigned char* r, int code );
void dec_register( unsigned char* r, int code );
void zero_register( unsigned char* r, int code );
void or_register( unsigned char* res, unsigned char* r1, unsigned char* r2, int code );
void and_register( unsigned char* res, unsigned char* r1, unsigned char* r2, int code );
void copy_register( unsigned char* to, unsigned char* from, int code );
void exchange_register( unsigned char* r1, unsigned char* r2, int code );
void exchange_reg( unsigned char* r, word_20* d, int code );
void shift_left_register( unsigned char* r, int code );
void shift_left_circ_register( unsigned char* r, int code );
void shift_right_register( unsigned char* r, int code );
void shift_right_circ_register( unsigned char* r, int code );
void shift_right_bit_register( unsigned char* r, int code );
int is_zero_register( unsigned char* r, int code );
int is_not_zero_register( unsigned char* r, int code );
int is_equal_register( unsigned char* r1, unsigned char* r2, int code );
int is_not_equal_register( unsigned char* r1, unsigned char* r2, int code );
int is_less_register( unsigned char* r1, unsigned char* r2, int code );
int is_less_or_equal_register( unsigned char* r1, unsigned char* r2, int code );
int is_greater_register( unsigned char* r1, unsigned char* r2, int code );
int is_greater_or_equal_register( unsigned char* r1, unsigned char* r2, int code );
extern int get_start( int code );
extern int get_end( int code );
extern void add_p_plus_one( unsigned char* r );
extern void add_register_constant( unsigned char* res, int code, int val );
extern void sub_register_constant( unsigned char* res, int code, int val );
extern void add_register( unsigned char* res, unsigned char* r1, unsigned char* r2, int code );
extern void sub_register( unsigned char* res, unsigned char* r1, unsigned char* r2, int code );
extern void complement_2_register( unsigned char* r, int code );
extern void complement_1_register( unsigned char* r, int code );
extern void inc_register( unsigned char* r, int code );
extern void dec_register( unsigned char* r, int code );
extern void zero_register( unsigned char* r, int code );
extern void or_register( unsigned char* res, unsigned char* r1, unsigned char* r2, int code );
extern void and_register( unsigned char* res, unsigned char* r1, unsigned char* r2, int code );
extern void copy_register( unsigned char* to, unsigned char* from, int code );
extern void exchange_register( unsigned char* r1, unsigned char* r2, int code );
extern void exchange_reg( unsigned char* r, word_20* d, int code );
extern void shift_left_register( unsigned char* r, int code );
extern void shift_left_circ_register( unsigned char* r, int code );
extern void shift_right_register( unsigned char* r, int code );
extern void shift_right_circ_register( unsigned char* r, int code );
extern void shift_right_bit_register( unsigned char* r, int code );
extern int is_zero_register( unsigned char* r, int code );
extern int is_not_zero_register( unsigned char* r, int code );
extern int is_equal_register( unsigned char* r1, unsigned char* r2, int code );
extern int is_not_equal_register( unsigned char* r1, unsigned char* r2, int code );
extern int is_less_register( unsigned char* r1, unsigned char* r2, int code );
extern int is_less_or_equal_register( unsigned char* r1, unsigned char* r2, int code );
extern int is_greater_register( unsigned char* r1, unsigned char* r2, int code );
extern int is_greater_or_equal_register( unsigned char* r1, unsigned char* r2, int code );
/****************/
/* emu_serial.c */