Initial port to Linux (using Allegro).

64-bit fixes. Some changes to aid portability. A few other tweaks.
2014-09-04 21:07:24 +01:00 · 2014-09-04 21:07:24 +01:00 · 56b455844e
commit 56b455844e
parent 4b3f77c926
70 changed files with 12702 additions and 282 deletions
--- a/src/allegro-main.c
+++ b/src/allegro-main.c
@ -0,0 +1,167 @@
+#include "allegro-main.h"
+#include "ibm.h"
+#include "cpu.h"
+#include "model.h"
+#include "nvr.h"
+#include "video.h"
+
+#undef printf
+
+int mousecapture = 0;
+int quited = 0;
+int winsizex = -1, winsizey = -1;
+
+int romspresent[ROM_MAX];
+int gfx_present[GFX_MAX];
+
+void updatewindowsize(int x, int y)
+{
+        if (x < 128)
+                x = 128;
+        if (y < 128)
+                y = 128;
+        if (winsizex != x || winsizey != y)
+        {
+                winsizex = x;
+                winsizey = y;
+                allegro_video_update_size(x, y);
+        }
+}
+
+void startblit()
+{
+}
+
+void endblit()
+{
+}
+
+static int ticks = 0;
+static void timer_rout()
+{
+        ticks++;
+}
+
+uint64_t timer_freq;
+uint64_t timer_read()
+{
+        return 0;
+}
+
+int main()
+{
+        int frames = 0;
+        int c, d;
+        allegro_init();
+        allegro_video_init();
+        install_timer();
+        install_int_ex(timer_rout, BPS_TO_TIMER(100));
+	install_int_ex(onesec, BPS_TO_TIMER(1));
+	midi_init();
+        
+        initpc();
+
+        d = romset;
+        for (c = 0; c < ROM_MAX; c++)
+        {
+                romset = c;
+                romspresent[c] = loadbios();
+                pclog("romset %i - %i\n", c, romspresent[c]);
+        }
+        
+        for (c = 0; c < ROM_MAX; c++)
+        {
+                if (romspresent[c])
+                   break;
+        }
+        if (c == ROM_MAX)
+        {
+                printf("No ROMs present!\nYou must have at least one romset to use PCem.");
+                return 0;
+        }
+
+        romset=d;
+        c=loadbios();
+
+        if (!c)
+        {
+                if (romset != -1)
+			printf("Configured romset not available.\nDefaulting to available romset.");
+                for (c = 0; c < ROM_MAX; c++)
+                {
+                        if (romspresent[c])
+                        {
+                                romset = c;
+                                model = model_getmodel(romset);
+                                saveconfig();
+                                resetpchard();
+                                break;
+                        }
+                }
+        }
+
+        for (c = 0; c < GFX_MAX; c++)
+                gfx_present[c] = video_card_available(video_old_to_new(c));
+
+        if (!video_card_available(video_old_to_new(gfxcard)))
+        {
+                if (gfxcard) printf("Configured video BIOS not available.\nDefaulting to available romset.");
+                for (c = GFX_MAX-1; c >= 0; c--)
+                {
+                        if (gfx_present[c])
+                        {
+                                gfxcard = c;
+                                saveconfig();
+                                resetpchard();
+                                break;
+                        }
+                }
+        }
+
+        ticks = 0;
+        while (!quited)
+        {
+                if (ticks)
+                {
+                        ticks--;
+                        runpc();
+                        frames++;
+                        if (frames >= 200 && nvr_dosave)
+                        {
+                                frames = 0;
+                                nvr_dosave = 0;
+                                savenvr();
+                        }
+                }
+                else
+                        rest(1);
+
+		if (ticks > 10)
+			ticks = 0;
+                
+		if ((mouse_b & 1) && !mousecapture)
+			mousecapture = 1;
+
+		if (((key[KEY_LCONTROL] || key[KEY_RCONTROL]) && key[KEY_END]) || (mouse_b & 4))
+			mousecapture = 0;
+
+                if ((key[KEY_LCONTROL] || key[KEY_RCONTROL]) && key[KEY_ALT] && key[KEY_PGDN])
+                {
+			int old_winsizex = winsizex, old_winsizey = winsizey;
+			if (winsizex < 512 || winsizey < 350)
+				updatewindowsize(512, 350);
+                        gui_enter();
+			if (old_winsizex < 512 || old_winsizey < 350)
+				updatewindowsize(old_winsizex, old_winsizey);
+                        ticks = 0;
+                }
+        }
+        
+        closepc();
+
+	midi_close();
+
+        return 0;
+}
+
+END_OF_MAIN();