Add teamtap support

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402093

README.MiNT

@@ -124,12 +124,12 @@ SDL_JOYSTICK_ATARI:
 
 	'ikbd-joy1-[on|off]' for IKBD joystick on port 1 (hardware access)
 	'xbios-joy1-[on|off]' for IKBD joystick on port 1 (xbios access)
-	'porta-pad-[on|off]' for joypad on port A
+	'porta-pad-[on|off]' for joypad and/or teamtap on port A
 	'porta-joy0-[on|off]' for joystick 0 on port A
 	'porta-joy1-[on|off]' for joystick 1 on port A
 	'porta-lp-[on|off]' for lightpen on port A
 	'porta-anpad-[on|off]' for analog paddle on port A
-	'portb-pad-[on|off]' for joypad on port B
+	'portb-pad-[on|off]' for joypad and/or teamtap on port B
 	'portb-joy0-[on|off]' for joystick 0 on port B
 	'portb-joy1-[on|off]' for joystick 1 on port B
 	'portb-anpad-[on|off]' for analog paddle on port B

src/joystick/mint/SDL_sysjoystick.c

@@ -44,11 +44,14 @@
 
 /* We can have:
 	1 joystick on IKBD port 1, read via hardware I/O
-      or same joystick on IKBD port 1, read via xbios
-	2 joypads on ports A,B
-	  or 4 joysticks on joypads ports A,B
+	  or same joystick on IKBD port 1, read via xbios
+	1 joypad on port A (up to 4 with teamtap)
+	  or 2 joysticks on joypad port A
+	  or 1 analog paddle on joypad port A
 	  or 1 lightpen on joypad port A
-	  or 2 analog paddles on joypads ports A,B
+	1 joypad on port B (up to 4 with teamtap)
+	  or 2 joysticks on joypad port B
+	  or 1 analog paddle on joypad port B
 	2 joysticks on parallel port
 */
 
@@ -56,8 +59,14 @@ enum
 {
     IKBD_JOY1 = 0,
     XBIOS_JOY1,
-    PORTA_PAD,
-    PORTB_PAD,
+    PORTA_PAD0,
+    PORTA_PAD1,
+    PORTA_PAD2,
+    PORTA_PAD3,
+    PORTB_PAD0,
+    PORTB_PAD1,
+    PORTB_PAD2,
+    PORTB_PAD3,
     PORTA_JOY0,
     PORTA_JOY1,
     PORTB_JOY0,
@@ -120,8 +129,14 @@ typedef struct
 static atarijoy_t atarijoysticks[MAX_JOYSTICKS] = {
     {SDL_FALSE, "IKBD joystick port 1", 0},
     {SDL_FALSE, "Xbios joystick port 1", 0},
-    {SDL_FALSE, "Joypad port A", 0},
-    {SDL_FALSE, "Joypad port B", 0},
+    {SDL_FALSE, "Joypad 0 port A", 0},
+    {SDL_FALSE, "Joypad 1 port A", 0},
+    {SDL_FALSE, "Joypad 2 port A", 0},
+    {SDL_FALSE, "Joypad 3 port A", 0},
+    {SDL_FALSE, "Joypad 0 port B", 0},
+    {SDL_FALSE, "Joypad 1 port B", 0},
+    {SDL_FALSE, "Joypad 2 port B", 0},
+    {SDL_FALSE, "Joypad 3 port B", 0},
     {SDL_FALSE, "Joystick 0 port A", 0},
     {SDL_FALSE, "Joystick 1 port A", 0},
     {SDL_FALSE, "Joystick 0 port B", 0},
@@ -150,7 +165,7 @@ static Uint16 jp_paddles[4];
 static Uint16 jp_lightpens[2];
 static Uint16 jp_directions;
 static Uint16 jp_fires;
-static Uint32 jp_joypads[2];
+static Uint32 jp_joypads[8];
 
 /*--- Functions prototypes ---*/
 
@@ -186,8 +201,14 @@ SDL_SYS_JoystickInit(void)
         atarijoysticks[IKBD_JOY1].enabled = (SDL_AtariIkbd_enabled != 0);
     }
     if ((cookie_mch == MCH_STE << 16) || (cookie_mch == MCH_F30 << 16)) {
-        atarijoysticks[PORTA_PAD].enabled = SDL_TRUE;
-        atarijoysticks[PORTB_PAD].enabled = SDL_TRUE;
+        atarijoysticks[PORTA_PAD0].enabled =
+        atarijoysticks[PORTA_PAD1].enabled =
+        atarijoysticks[PORTA_PAD2].enabled =
+        atarijoysticks[PORTA_PAD3].enabled =
+        atarijoysticks[PORTB_PAD0].enabled =
+        atarijoysticks[PORTB_PAD1].enabled =
+        atarijoysticks[PORTB_PAD2].enabled =
+        atarijoysticks[PORTB_PAD3].enabled = SDL_TRUE;
     }
     if (!atarijoysticks[IKBD_JOY1].enabled) {
         atarijoysticks[XBIOS_JOY1].enabled = (SDL_AtariXbios_enabled != 0);
@@ -205,8 +226,8 @@ SDL_SYS_JoystickInit(void)
         }
         /* Joypads ports only on STE and Falcon */
         if ((cookie_mch == MCH_STE << 16) || (cookie_mch == MCH_F30 << 16)) {
-            TEST_JOY_ENABLED(envr, "porta-pad", PORTA_PAD);
-            if (!atarijoysticks[PORTA_PAD].enabled) {
+            TEST_JOY_ENABLED(envr, "porta-pad", PORTA_PAD0);
+            if (!atarijoysticks[PORTA_PAD0].enabled) {
                 TEST_JOY_ENABLED(envr, "porta-joy0", PORTA_JOY0);
                 TEST_JOY_ENABLED(envr, "porta-joy1", PORTA_JOY1);
                 if (!(atarijoysticks[PORTA_JOY0].enabled)
@@ -218,8 +239,8 @@ SDL_SYS_JoystickInit(void)
                 }
             }
 
-            TEST_JOY_ENABLED(envr, "portb-pad", PORTB_PAD);
-            if (!atarijoysticks[PORTB_PAD].enabled) {
+            TEST_JOY_ENABLED(envr, "portb-pad", PORTB_PAD0);
+            if (!atarijoysticks[PORTB_PAD0].enabled) {
                 TEST_JOY_ENABLED(envr, "portb-joy0", PORTB_JOY0);
                 TEST_JOY_ENABLED(envr, "portb-joy1", PORTB_JOY1);
                 if (!(atarijoysticks[PORTB_JOY0].enabled)
@@ -247,7 +268,7 @@ SDL_SYS_JoystickInit(void)
 
     /* Need to update joypad ports ? */
     joypad_ports_enabled = SDL_FALSE;
-    for (i = PORTA_PAD; i <= PORTB_ANPAD; i++) {
+    for (i = PORTA_PAD0; i <= PORTB_ANPAD; i++) {
         if (atarijoysticks[i].enabled) {
             joypad_ports_enabled = SDL_TRUE;
             break;
@@ -314,8 +335,14 @@ SDL_SYS_JoystickOpen(SDL_Joystick * joystick)
     joystick->nballs = 0;
 
     switch (numjoystick) {
-    case PORTA_PAD:
-    case PORTB_PAD:
+    case PORTA_PAD0:
+    case PORTA_PAD1:
+    case PORTA_PAD2:
+    case PORTA_PAD3:
+    case PORTB_PAD0:
+    case PORTB_PAD1:
+    case PORTB_PAD2:
+    case PORTB_PAD3:
         joystick->nhats = 1;
         joystick->nbuttons = JP_NUM_BUTTONS;
         break;
@@ -393,14 +420,36 @@ SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
             atarijoysticks[numjoystick].prevstate = curstate;
         }
         break;
-    case PORTA_PAD:
-    case PORTB_PAD:
+    case PORTA_PAD0:
+    case PORTA_PAD1:
+    case PORTA_PAD2:
+    case PORTA_PAD3:
+    case PORTB_PAD0:
+    case PORTB_PAD1:
+    case PORTB_PAD2:
+    case PORTB_PAD3:
         {
             int numjoypad, i;
 
             numjoypad = 0;
-            if (numjoystick == PORTB_PAD)
-                numjoypad = 1;
+            switch(numjoystick) {
+            case PORTA_PAD0:
+                numjoypad = 0;    break;
+            case PORTA_PAD1:
+                numjoypad = 1;    break;
+            case PORTA_PAD2:
+                numjoypad = 2;    break;
+            case PORTA_PAD3:
+                numjoypad = 3;    break;
+            case PORTB_PAD0:
+                numjoypad = 4;    break;
+            case PORTB_PAD1:
+                numjoypad = 5;    break;
+            case PORTB_PAD2:
+                numjoypad = 6;    break;
+            case PORTB_PAD3:
+                numjoypad = 7;    break;
+            }				
 
             curstate = jp_joypads[numjoypad];
             if (curstate != prevstate) {
@@ -598,6 +647,17 @@ struct JOYPAD_IO_S
 };
 #define JOYPAD_IO ((*(volatile struct JOYPAD_IO_S *)JOYPAD_IO_BASE))
 
+static const Uint16 joypad_masks[8*4]={
+    0xfffe, 0xfffd, 0xfffb, 0xfff7,
+    0xfff0, 0xfff1, 0xfff2, 0xfff3,
+    0xfff4, 0xfff5, 0xfff6, 0xfff8,
+    0xfff9, 0xfffa, 0xfffc, 0xffff,
+    0xffef, 0xffdf, 0xffbf, 0xff7f,
+    0xff0f, 0xff1f, 0xff2f, 0xff3f,
+    0xff4f, 0xff5f, 0xff6f, 0xff8f,
+    0xff9f, 0xffaf, 0xffcf, 0xffff
+};
+
 static void
 UpdateJoypads(void)
 {
@@ -625,47 +685,35 @@ UpdateJoypads(void)
     tmp = (JOYPAD_IO.paddles[3] & 255);
     jp_paddles[3] = (tmp << 8) | tmp;
 
-    /* Update joypad 0 */
-    JOYPAD_IO.directions = 0xfffe;
-    jp_joypads[0] = ((~(JOYPAD_IO.fires)) & 3) << (16);
-    JOYPAD_IO.directions = 0xfffe;
-    jp_joypads[0] |= ((~(JOYPAD_IO.directions)) >> 8) & 15;
-
-    JOYPAD_IO.directions = 0xfffd;
-    jp_joypads[0] |= ((~(JOYPAD_IO.fires)) & 3) << (16 + 2);
-    JOYPAD_IO.directions = 0xfffd;
-    jp_joypads[0] |= (((~(JOYPAD_IO.directions)) >> 8) & 15) << 4;
-
-    JOYPAD_IO.directions = 0xfffb;
-    jp_joypads[0] |= ((~(JOYPAD_IO.fires)) & 3) << (16 + 4);
-    JOYPAD_IO.directions = 0xfffb;
-    jp_joypads[0] |= (((~(JOYPAD_IO.directions)) >> 8) & 15) << 8;
-
-    JOYPAD_IO.directions = 0xfff7;
-    jp_joypads[0] |= ((~(JOYPAD_IO.fires)) & 3) << (16 + 6);
-    JOYPAD_IO.directions = 0xfff7;
-    jp_joypads[0] |= (((~(JOYPAD_IO.directions)) >> 8) & 15) << 12;
-
-    /* Update joypad 1 */
-    JOYPAD_IO.directions = 0xffef;
-    jp_joypads[1] = ((~(JOYPAD_IO.fires)) & (3 << 2)) << (16 - 2);
-    JOYPAD_IO.directions = 0xffef;
-    jp_joypads[1] |= ((~(JOYPAD_IO.directions)) >> 12) & 15;
-
-    JOYPAD_IO.directions = 0xffdf;
-    jp_joypads[1] |= ((~(JOYPAD_IO.fires)) & (3 << 2)) << (16);
-    JOYPAD_IO.directions = 0xffdf;
-    jp_joypads[1] |= (((~(JOYPAD_IO.directions)) >> 12) & 15) << 4;
-
-    JOYPAD_IO.directions = 0xffbf;
-    jp_joypads[1] |= ((~(JOYPAD_IO.fires)) & (3 << 2)) << (16 + 2);
-    JOYPAD_IO.directions = 0xffbf;
-    jp_joypads[1] |= (((~(JOYPAD_IO.directions)) >> 12) & 15) << 8;
-
-    JOYPAD_IO.directions = 0xff7f;
-    jp_joypads[1] |= ((~(JOYPAD_IO.fires)) & (3 << 2)) << (16 + 4);
-    JOYPAD_IO.directions = 0xff7f;
-    jp_joypads[1] |= (((~(JOYPAD_IO.directions)) >> 12) & 15) << 12;
+    /* Update joypads on teamtap port A */	
+    for (i=0; i<4; i++) {
+        jp_joypads[i] = 0;
+        for (j=0; j<4; j++) {
+            JOYPAD_IO.directions = joypad_masks[(i*4)+j];
+
+            cur_fire = (~(JOYPAD_IO.fires) & 3)<<16;
+            cur_dir = (~(JOYPAD_IO.directions)>>8) & 15;
+
+            jp_joypads[i] |= cur_fire<<(j*2);
+            jp_joypads[i] |= cur_dir<<(j*4);
+        }
+    }
+
+    /* Update joypads on teamtap port B */	
+    for (i=4; i<8; i++) {
+        jp_joypads[i] = 0;
+        for (j=0; j<4; j++) {
+            JOYPAD_IO.directions = joypad_masks[(i*4)+j];
+
+            cur_fire = (~(JOYPAD_IO.fires) & 0xc)<<14;
+            cur_dir = (~(JOYPAD_IO.directions)>>12) & 15;
+
+            jp_joypads[i] |= cur_fire<<(j*2);
+            jp_joypads[i] |= cur_dir<<(j*4);
+        }
+    }
+
+    JOYPAD_IO.directions=0xffff;
 }
 
 #endif /* SDL_JOYSTICK_MINT */