merge (current and future) files functions into files.{c,h}

Makefile

@@ -7,7 +7,7 @@ CFLAGS = -Wall -Werror -O3 -Wno-error=unused-function -Wno-error=unused-variable
 all: dist/hpemu
 
 dist/hpemu: src/bus.o \
-	src/color.o \
+	src/gui_color.o \
 	src/cpu.o \
 	src/display.o \
 	src/emulator.o \
@@ -17,10 +17,8 @@ dist/hpemu: src/bus.o \
 	src/main.o \
 	src/opcodes.o \
 	src/gui_buttons.o \
-	src/pfiles.o \
+	src/files.o \
 	src/ports.o \
-	src/ram.o \
-	src/rom.o \
 	src/rpl.o \
 	src/timers.o
 	$(CC) $(CFLAGS) $(LIBS) -o $@ $+

src/emulator.c

@@ -11,8 +11,7 @@
 #include "display.h"
 #include "gui.h"
 #include "emulator.h"
-#include "rom.h"
+#include "files.h"
-#include "ram.h"
 #include "ports.h"
 
 #define MAX_DELTA 4000

src/files.c

@@ -0,0 +1,228 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <libgen.h>       // dirname
+#include <unistd.h>       // readlink
+#include <linux/limits.h> // PATH_MAX
+
+#include "gui.h"
+#include "rpl.h"
+#include "files.h"
+#include "bus.h"
+#include "ports.h"
+
+extern byte current_bank;
+extern byte* port2;
+extern address port2mask;
+
+char WorkingPath[ 512 ];
+
+static address ram_size = 256 * 1024; // in nibbles, not bytes!
+
+void getExePath()
+{
+    char programPath[ 1024 ];
+    char temp[ 1024 ];
+    memset( programPath, 0, sizeof( programPath ) );
+    memset( temp, 0, sizeof( temp ) );
+
+    char result[ PATH_MAX ];
+    ssize_t count = readlink( "/proc/self/exe", result, PATH_MAX );
+    const char* path;
+    if ( count != -1 ) {
+        path = dirname( result );
+        strcpy( programPath, path );
+    }
+
+    memset( WorkingPath, 0, sizeof( WorkingPath ) );
+    strcpy( WorkingPath, programPath );
+}
+
+int file_size( char* name )
+{
+    memset( WorkingPath, 0, sizeof( WorkingPath ) );
+    getExePath();
+
+    FILE* f;
+    char fullpath[ 1024 ];
+    sprintf( fullpath, "%s/%s", WorkingPath, name );
+    printf( "%s\n", fullpath );
+    f = fopen( fullpath, "r" );
+    if ( !f )
+        return 0;
+
+    fseek( f, 0, SEEK_END );      // seek to end of file
+    int size = ( int )ftell( f ); // get current file pointer
+    fseek( f, 0, SEEK_SET );      // seek back to beginning of file
+    // proceed with allocating memory and reading the file
+    fclose( f );
+    return size;
+}
+
+void load_file_on_stack( char* name )
+{
+    FILE* f;
+    byte* buf;
+    byte* obj;
+    int i, j;
+    int fsize;
+    address size;
+
+    fsize = file_size( name );
+    if ( fsize < 11 ) // "PHPH48-X" + prologue (8 + 2.5)
+        return;
+
+    buf = malloc( fsize );
+    if ( !buf )
+        return;
+
+    f = fopen( name, "r" );
+    if ( !f ) {
+        free( buf );
+        return;
+    }
+    int res = ( int )fread( buf, sizeof( char ), fsize, f );
+    if ( res != fsize ) {
+        free( buf );
+        fclose( f );
+        return;
+    }
+    fclose( f );
+
+    if ( memcmp( buf, "HPHP48-", 7 ) ) {
+        free( buf );
+        return;
+    }
+
+    obj = malloc( ( fsize - 8 ) * 2 );
+    if ( !obj ) {
+        free( buf );
+        return;
+    }
+
+    for ( i = 8, j = 0; i < fsize; i++ ) {
+        obj[ j++ ] = buf[ i ] & 0x0F;
+        obj[ j++ ] = ( buf[ i ] >> 4 ) & 0x0F;
+    }
+    free( buf );
+
+    size = rpl_object_size( obj );
+    if ( size > ( fsize - 8 ) * 2 ) {
+        free( obj );
+        return;
+    }
+    rpl_push_object( obj, size );
+    free( obj );
+}
+
+void rom_init( void )
+{
+    int size;
+    char* name = "rom";
+    byte *buf, *ptr1, *ptr2;
+    FILE* f;
+
+    size = file_size( name );
+    if ( !size ) {
+        printf( "rom_init failed\n" );
+        exit( 0x10 );
+    }
+    if ( size != 256 * 1024 && size != 512 * 1024 && size != 1024 * 1024 ) {
+        printf( "rom_init failed2..\n" );
+        exit( 0x11 );
+    }
+    buf = malloc( size );
+    if ( !buf ) {
+        printf( "rom_init failed3..\n" );
+        exit( 0x12 );
+    }
+
+    char fullpath[ 1024 ];
+    sprintf( fullpath, "%s/%s", WorkingPath, name );
+
+    // f = pack_fopen(name, "r");
+    f = fopen( fullpath, "r" );
+    if ( !f ) {
+        printf( "rom_init failed4..\n" );
+        exit( 0x13 );
+    }
+    int r = ( int )fread( buf, sizeof( char ), size, f );
+    if ( r != size ) { // pack_fread
+        printf( "rom_init failed5..\n" );
+        exit( 0x14 );
+    }
+    // pack_fclose(f);
+    fclose( f );
+    if ( buf[ 0 ] & 0xF0 || buf[ 1 ] & 0xF0 ) {
+        if ( size == 1024 * 1024 ) {
+            printf( "rom_init failed6..\n" );
+            exit( 0x15 );
+        }
+        buf = realloc( buf, size * 2 );
+        if ( !buf ) {
+            printf( "rom_init failed7..\n" );
+            exit( 0x16 );
+        }
+        ptr1 = buf + size - 1;
+        size *= 2;
+        ptr2 = buf + size - 1;
+        do {
+            *( ptr2-- ) = ( *ptr1 >> 4 ) & 0x0F;
+            *( ptr2-- ) = *( ptr1-- ) & 0x0F;
+        } while ( ptr1 != ptr2 );
+    }
+    bus_info.rom_data = buf;
+    bus_info.rom_mask = size - 1;
+    printf( "rom_init succeed!\n" );
+}
+
+void rom_exit( void )
+{
+    free( bus_info.rom_data );
+    bus_info.rom_data = NULL;
+    bus_info.rom_mask = 0x00000;
+}
+
+void ram_init( void )
+{
+    byte* buf = malloc( ram_size );
+    if ( !buf )
+        exit( 0x20 );
+
+    memset( buf, 0, ram_size );
+    bus_info.ram_data = buf;
+    bus_info.ram_mask = ram_size - 1;
+}
+
+void ram_exit( void )
+{
+    free( bus_info.ram_data );
+    bus_info.ram_data = NULL;
+    bus_info.ram_mask = 0x00000;
+}
+
+void ports_init( void )
+{
+    // ce1 = bank switcher
+    bus_info.ce1_data = NULL;
+    bus_info.ce1_mask = 0x0007F;
+    bus_info.ce1_r_o = true;
+    bus_info.ce1_bs = true;
+
+    // ce2 = port1 (plugged)
+    bus_info.ce2_data = malloc( PORT1_SIZE );
+    bus_info.ce2_mask = PORT1_SIZE - 1;
+    bus_info.ce2_r_o = false;
+
+    // nce3 = port2 (plugged)
+    port2 = malloc( PORT2_SIZE );
+    port2mask = PORT2_SIZE - 1;
+    bus_info.nce3_data = port2;
+    bus_info.nce3_mask = port2mask & 0x3FFFF;
+    bus_info.nce3_r_o = false;
+
+    bus_info.ben = false;
+    current_bank = 0;
+}
+
+void ports_exit( void ) {}

src/files.h

@@ -0,0 +1,20 @@
+#ifndef __PFILES_H
+#define __PFILES_H
+
+#include "types.h"
+
+extern char WorkingPath[ 512 ];
+
+extern int file_size( char* name );
+extern void load_file_on_stack( char* name );
+
+extern void rom_init( void );
+extern void rom_exit( void );
+
+extern void ram_init( void );
+extern void ram_exit( void );
+
+extern void ports_init( void );
+extern void ports_exit( void );
+
+#endif

src/gui.c

@@ -5,9 +5,9 @@
 #include <SDL2/SDL_image.h>
 #include <SDL2/SDL_ttf.h>
 
-#include "color.h"
+#include "gui_color.h"
 #include "gui_buttons.h"
-#include "pfiles.h"
+#include "files.h"
 #include "gui.h"
 #include "emulator.h"
 

src/gui_buttons.c

@@ -1,11 +1,11 @@
 #include <stdlib.h>
 
-#include "color.h"
+#include "gui_color.h"
 #include "display.h"
 #include "keyboard.h"
 #include "gui.h"
 #include "gui_buttons.h"
-#include "pfiles.h"
+#include "files.h"
 
 const int std_flags = BUTTON_B1RELEASE | BUTTON_B2TOGGLE;
 

src/gui_color.c

@@ -1,6 +1,6 @@
 #include <stdlib.h>
 
-#include "color.h"
+#include "gui_color.h"
 
 #define RESERVED_LCD 128
 

src/main.c

@@ -3,16 +3,9 @@
 
 #include <SDL2/SDL.h>
 
-#include "types.h"
 #include "emulator.h"
 #include "gui.h"
-#include "color.h"
 #include "display.h"
-#include "gui.h"
-#include "timers.h"
-#include "keyboard.h"
-#include "gui_buttons.h"
-#include "pfiles.h"
 
 unsigned int currentTime;
 

src/pfiles.c

@@ -1,109 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <libgen.h>       // dirname
-#include <unistd.h>       // readlink
-#include <linux/limits.h> // PATH_MAX
-
-#include "color.h"
-#include "gui.h"
-#include "rpl.h"
-#include "pfiles.h"
-
-char WorkingPath[ 512 ];
-
-void getExePath()
-{
-    char programPath[ 1024 ];
-    char temp[ 1024 ];
-    memset( programPath, 0, sizeof( programPath ) );
-    memset( temp, 0, sizeof( temp ) );
-
-    char result[ PATH_MAX ];
-    ssize_t count = readlink( "/proc/self/exe", result, PATH_MAX );
-    const char* path;
-    if ( count != -1 ) {
-        path = dirname( result );
-        strcpy( programPath, path );
-    }
-
-    memset( WorkingPath, 0, sizeof( WorkingPath ) );
-    strcpy( WorkingPath, programPath );
-}
-
-int file_size( char* name )
-{
-    memset( WorkingPath, 0, sizeof( WorkingPath ) );
-    getExePath();
-
-    FILE* f;
-    char fullpath[ 1024 ];
-    sprintf( fullpath, "%s/%s", WorkingPath, name );
-    printf( "%s\n", fullpath );
-    f = fopen( fullpath, "r" );
-    if ( !f )
-        return 0;
-
-    fseek( f, 0, SEEK_END );      // seek to end of file
-    int size = ( int )ftell( f ); // get current file pointer
-    fseek( f, 0, SEEK_SET );      // seek back to beginning of file
-    // proceed with allocating memory and reading the file
-    fclose( f );
-    return size;
-}
-
-void load_file_on_stack( char* name )
-{
-    FILE* f;
-    byte* buf;
-    byte* obj;
-    int i, j;
-    int fsize;
-    address size;
-
-    fsize = file_size( name );
-    if ( fsize < 11 ) // "PHPH48-X" + prologue (8 + 2.5)
-        return;
-
-    buf = malloc( fsize );
-    if ( !buf )
-        return;
-
-    f = fopen( name, "r" );
-    if ( !f ) {
-        free( buf );
-        return;
-    }
-    int res = ( int )fread( buf, sizeof( char ), fsize, f );
-    if ( res != fsize ) {
-        free( buf );
-        fclose( f );
-        return;
-    }
-    fclose( f );
-
-    if ( memcmp( buf, "HPHP48-", 7 ) ) {
-        free( buf );
-        return;
-    }
-
-    obj = malloc( ( fsize - 8 ) * 2 );
-    if ( !obj ) {
-        free( buf );
-        return;
-    }
-
-    for ( i = 8, j = 0; i < fsize; i++ ) {
-        obj[ j++ ] = buf[ i ] & 0x0F;
-        obj[ j++ ] = ( buf[ i ] >> 4 ) & 0x0F;
-    }
-    free( buf );
-
-    size = rpl_object_size( obj );
-    if ( size > ( fsize - 8 ) * 2 ) {
-        free( obj );
-        return;
-    }
-    rpl_push_object( obj, size );
-    free( obj );
-}

src/pfiles.h

@@ -1,11 +0,0 @@
-#ifndef __PFILES_H
-#define __PFILES_H
-
-#include "types.h"
-
-extern char WorkingPath[ 512 ];
-
-extern int file_size( char* name );
-extern void load_file_on_stack( char* name );
-
-#endif

src/ports.c

@@ -4,38 +4,9 @@
 #include "bus.h"
 #include "ports.h"
 
-#define PORT1_SIZE ( 256 * 1024 ) /* 128Kio in nibbles */
+byte current_bank;
-#define PORT2_SIZE ( 256 * 1024 ) /* 128Kio in nibbles */
+byte* port2;
-
+address port2mask;
-static byte current_bank;
-static byte* port2;
-static address port2mask;
-
-void ports_init( void )
-{
-    // ce1 = bank switcher
-    bus_info.ce1_data = NULL;
-    bus_info.ce1_mask = 0x0007F;
-    bus_info.ce1_r_o = true;
-    bus_info.ce1_bs = true;
-
-    // ce2 = port1 (plugged)
-    bus_info.ce2_data = malloc( PORT1_SIZE );
-    bus_info.ce2_mask = PORT1_SIZE - 1;
-    bus_info.ce2_r_o = false;
-
-    // nce3 = port2 (plugged)
-    port2 = malloc( PORT2_SIZE );
-    port2mask = PORT2_SIZE - 1;
-    bus_info.nce3_data = port2;
-    bus_info.nce3_mask = port2mask & 0x3FFFF;
-    bus_info.nce3_r_o = false;
-
-    bus_info.ben = false;
-    current_bank = 0;
-}
-
-void ports_exit( void ) {}
 
 void ports_switch_bank( address adr )
 {

src/ports.h

@@ -3,8 +3,13 @@
 
 #include "types.h"
 
-extern void ports_init( void );
+#define PORT1_SIZE ( 256 * 1024 ) /* 128Kio in nibbles */
-extern void ports_exit( void );
+#define PORT2_SIZE ( 256 * 1024 ) /* 128Kio in nibbles */
+
+extern byte current_bank;
+extern byte* port2;
+extern address port2mask;
+
 extern void ports_switch_bank( address adr );
 extern byte ports_card_detect( void );
 

src/ram.c

@@ -1,26 +0,0 @@
-#include <stdlib.h>
-#include <string.h>
-
-#include "types.h"
-#include "bus.h"
-#include "ram.h"
-
-static address ram_size = 256 * 1024; // in nibbles, not bytes!
-
-void ram_init( void )
-{
-    byte* buf = malloc( ram_size );
-    if ( !buf )
-        exit( 0x20 );
-
-    memset( buf, 0, ram_size );
-    bus_info.ram_data = buf;
-    bus_info.ram_mask = ram_size - 1;
-}
-
-void ram_exit( void )
-{
-    free( bus_info.ram_data );
-    bus_info.ram_data = NULL;
-    bus_info.ram_mask = 0x00000;
-}

src/ram.h

@@ -1,7 +0,0 @@
-#ifndef __RAM_H
-#define __RAM_H
-
-extern void ram_init( void );
-extern void ram_exit( void );
-
-#endif

src/rom.c

@@ -1,79 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <libgen.h>       // dirname
-#include <unistd.h>       // readlink
-#include <linux/limits.h> // PATH_MAX
-
-#include "types.h"
-#include "bus.h"
-#include "rom.h"
-#include "pfiles.h"
-
-void rom_init( void )
-{
-    int size;
-    char* name = "rom";
-    byte *buf, *ptr1, *ptr2;
-    FILE* f;
-
-    size = file_size( name );
-    if ( !size ) {
-        printf( "rom_init failed\n" );
-        exit( 0x10 );
-    }
-    if ( size != 256 * 1024 && size != 512 * 1024 && size != 1024 * 1024 ) {
-        printf( "rom_init failed2..\n" );
-        exit( 0x11 );
-    }
-    buf = malloc( size );
-    if ( !buf ) {
-        printf( "rom_init failed3..\n" );
-        exit( 0x12 );
-    }
-
-    char fullpath[ 1024 ];
-    sprintf( fullpath, "%s/%s", WorkingPath, name );
-
-    // f = pack_fopen(name, "r");
-    f = fopen( fullpath, "r" );
-    if ( !f ) {
-        printf( "rom_init failed4..\n" );
-        exit( 0x13 );
-    }
-    int r = ( int )fread( buf, sizeof( char ), size, f );
-    if ( r != size ) { // pack_fread
-        printf( "rom_init failed5..\n" );
-        exit( 0x14 );
-    }
-    // pack_fclose(f);
-    fclose( f );
-    if ( buf[ 0 ] & 0xF0 || buf[ 1 ] & 0xF0 ) {
-        if ( size == 1024 * 1024 ) {
-            printf( "rom_init failed6..\n" );
-            exit( 0x15 );
-        }
-        buf = realloc( buf, size * 2 );
-        if ( !buf ) {
-            printf( "rom_init failed7..\n" );
-            exit( 0x16 );
-        }
-        ptr1 = buf + size - 1;
-        size *= 2;
-        ptr2 = buf + size - 1;
-        do {
-            *( ptr2-- ) = ( *ptr1 >> 4 ) & 0x0F;
-            *( ptr2-- ) = *( ptr1-- ) & 0x0F;
-        } while ( ptr1 != ptr2 );
-    }
-    bus_info.rom_data = buf;
-    bus_info.rom_mask = size - 1;
-    printf( "rom_init succeed!\n" );
-}
-
-void rom_exit( void )
-{
-    free( bus_info.rom_data );
-    bus_info.rom_data = NULL;
-    bus_info.rom_mask = 0x00000;
-}

src/rom.h

@@ -1,7 +0,0 @@
-#ifndef __ROM_H
-#define __ROM_H
-
-extern void rom_init( void );
-extern void rom_exit( void );
-
-#endif