Initial commit of zxbox - a ZX Spectrum emulator ported by Anton Romanov. It theoretically runs on all targets, but I have not included it in the Archos builds because it is just too slow to be usable.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10950 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 293 insertions, 0 deletions

diff --git a/apps/plugins/zxbox/zxbox.c b/apps/plugins/zxbox/zxbox.c
new file mode 100644
index 0000000..1ca63d0
--- /dev/null
+++ b/apps/plugins/zxbox/zxbox.c
@@ -0,0 +1,293 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (c) 2006 Anton Romanov
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "zxconfig.h"
+
+PLUGIN_HEADER
+
+struct plugin_api* rb;
+
+#include "spkey_p.h"
+
+spkeyboard kb_mkey;
+bool exit_requested=false;
+bool clear_kbd=0;
+extern bool zxbox_menu(void);
+
+/* DUMMIES ... to clean */
+unsigned int scrmul=0;
+int privatemap;
+int use_shm = 0;
+int small_screen,pause_on_iconify;
+int vga_pause_bg;
+
+#ifdef USE_IRAM
+extern char iramcopy[];
+extern char iramstart[];
+extern char iramend[];
+extern char iedata[];
+extern char iend[];
+#endif
+
+#include "keymaps.h"
+#include "zxvid_com.h"
+#include "spmain.h"
+#include "spperif.h"
+
+struct zxbox_settings settings;
+
+/* doesn't fit into .ibss */
+unsigned char image_array [ HEIGHT * WIDTH ];
+
+static int previous_state;
+
+#ifdef USE_GRAY
+static unsigned char *gbuf;
+static unsigned int gbuf_size = 0;
+#endif
+
+long video_frames = 0;
+long start_time = 0;
+
+enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
+{
+
+    rb = api;
+#if CODEC == SWCODEC && !defined SIMULATOR
+    rb->pcm_play_stop();
+#endif
+    rb->splash(HZ, true, "Welcome to ZXBox");
+    sp_init();
+
+#ifdef USE_IRAM
+   /* We need to stop audio playback in order to use IRAM */
+   rb->audio_stop();
+
+   rb->memcpy(iramstart, iramcopy, iramend-iramstart);
+   rb->memset(iedata, 0, iend - iedata);
+#endif
+
+#ifdef USE_GRAY
+    /* get the remainder of the plugin buffer */
+    gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
+#ifdef USE_BUFFERED_GRAY
+    gray_init(rb, gbuf, gbuf_size, true, LCD_WIDTH, LCD_HEIGHT, 15, 0, NULL);
+#else
+    gray_init(rb, gbuf, gbuf_size, false, LCD_WIDTH, LCD_HEIGHT, 15, 0, NULL);
+#endif /* USE_BUFFERED_GRAY */
+    /* switch on grayscale overlay */
+   gray_show(true);
+#endif /* USE_GRAY */
+
+
+#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+    rb->cpu_boost(true);
+#endif
+
+    start_time = *rb->current_tick;
+    start_spectemu(parameter);
+
+#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+    rb->cpu_boost(false);
+#endif
+
+#ifdef USE_GRAY
+gray_show(false);
+gray_release();
+#endif 
+
+#if CODEC == SWCODEC && !defined SIMULATOR
+    rb->pcm_play_stop();
+#endif
+
+return PLUGIN_OK;
+}
+
+void init_spect_key(void)
+{
+  clear_keystates();
+  init_basekeys();
+}
+
+void spkb_process_events( int evenframe )
+{
+
+    if(evenframe){
+        int ki;
+#if (CONFIG_KEYPAD == IPOD_4G_PAD) || \
+      (CONFIG_KEYPAD == IPOD_3G_PAD)
+        if (rb->button_hold())
+        {
+#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+            rb->cpu_boost(false);
+#endif
+            exit_requested=1;
+#ifdef USE_GRAY
+            gray_show(false);
+#endif
+            return;
+        }
+#endif
+        int buttons = rb->button_status();
+        if ( buttons == previous_state )
+            return;
+        previous_state = buttons;
+#if (CONFIG_KEYPAD != IPOD_4G_PAD) && \
+      (CONFIG_KEYPAD != IPOD_3G_PAD)
+        if (buttons & ZX_MENU)
+        {
+#if defined(HAVE_ADJUSTABLE_CPU_FREQ)
+            rb->cpu_boost(false);
+#endif
+            exit_requested=1;
+#ifdef USE_GRAY
+            gray_show(false);
+#endif
+            return;
+        }
+#endif
+        spkb_state_changed = 1;
+        if (settings.kempston){
+            if ( buttons & ZX_RIGHT ){
+                 ki = KS_TO_KEY(SK_KP_Right);
+                spkb_kbstate[ki].state = 1;
+            }
+            else if (buttons & ZX_LEFT){
+                 ki = KS_TO_KEY(SK_KP_Left);
+                spkb_kbstate[ki].state = 1;
+
+            }
+            else{
+                 ki = KS_TO_KEY(SK_KP_Right);
+                spkb_kbstate[ki].state = 0;
+                 ki = KS_TO_KEY(SK_KP_Left);
+                spkb_kbstate[ki].state = 0;
+
+            }
+            if ( buttons & ZX_UP ){
+                 ki = KS_TO_KEY(SK_KP_Up);
+                spkb_kbstate[ki].state = 1;
+            }
+            else if (buttons & ZX_DOWN){
+                 ki = KS_TO_KEY(SK_KP_Down);
+                spkb_kbstate[ki].state = 1;
+            }
+            else{
+                 ki = KS_TO_KEY(SK_KP_Up);
+                spkb_kbstate[ki].state = 0;
+                 ki = KS_TO_KEY(SK_KP_Down);
+                spkb_kbstate[ki].state = 0;
+            }
+
+            if ( buttons & ZX_SELECT ){
+                 ki = KS_TO_KEY(SK_KP_Insert);
+                spkb_kbstate[ki].state = 1;
+            }
+            else{
+                 ki = KS_TO_KEY(SK_KP_Insert);
+                spkb_kbstate[ki].state = 0;
+            }
+
+        }
+        else {
+
+            if ( buttons & ZX_RIGHT ){
+                ki = KS_TO_KEY(intkeys[3]);
+                spkb_kbstate[ki].state = 1;
+            }
+            else{
+                ki = KS_TO_KEY(intkeys[3]);
+                spkb_kbstate[ki].state = 0;
+            }
+    
+            if ( buttons & ZX_LEFT ){
+                ki = KS_TO_KEY(intkeys[2]);
+                spkb_kbstate[ki].state = 1;
+            }
+            else{
+                ki = KS_TO_KEY(intkeys[2]);
+                spkb_kbstate[ki].state = 0;
+            }
+    
+            if ( buttons & ZX_UP ){
+                ki = KS_TO_KEY(intkeys[0]);
+                spkb_kbstate[ki].state = 1;
+            }
+            else{
+                ki = KS_TO_KEY(intkeys[0]);
+                spkb_kbstate[ki].state = 0;
+            }
+            
+            if ( buttons & ZX_DOWN ){
+                ki = KS_TO_KEY(intkeys[1]);
+                spkb_kbstate[ki].state = 1;
+            }
+            else{
+                ki = KS_TO_KEY(intkeys[1]);
+                spkb_kbstate[ki].state = 0;
+            }
+            
+            if ( buttons & ZX_SELECT ){
+                ki = KS_TO_KEY(intkeys[4]);
+                spkb_kbstate[ki].state = 1;
+            }
+            else{
+                ki = KS_TO_KEY(intkeys[4]);
+                spkb_kbstate[ki].state = 0;
+            }
+        }
+        process_keys();
+    }
+}
+
+void press_key(int c){
+    spkb_state_changed = 1;
+    int ki;
+    if ( c == 'E' )
+        ki = KS_TO_KEY(SK_KP_Enter);
+    else if (c == 'S' )
+        ki = KS_TO_KEY(SK_KP_Space);
+    else
+        ki = KS_TO_KEY(c);
+    spkb_kbstate[ki].state = 1;
+    process_keys();
+}
+
+void spkey_textmode(void)
+{
+}
+
+void spkey_screenmode(void)
+{
+}
+
+void spscr_refresh_colors(void)
+{
+}
+
+void resize_spect_scr(int s)
+{
+    /* just to disable warning */
+    (void)s;
+}
+
+int display_keyboard(void)
+{
+  return 0;
+}