Changeset 8c8b4e5 in buchla-68k for rom

Timestamp:

09/17/2017 05:01:10 PM (7 years ago)

Author:

Thomas Lopatic <thomas@…>

Branches:

master

Children:

432327d

Parents:

5c4721b

Message:

More volatile hardware accesses.

Location:

rom

Files:

• romp.c (modified) (5 diffs)
• romp.x (modified) (2 diffs)

rom/romp.c

@@ -261 +261 @@
                 baroff,         /* bar 'off' color */
                 swon,           /* switch 'on' color */
-                swoff,          /* switch 'off' color */
-                *obj0;          /* object pointer */
+                swoff;          /* switch 'off' color */
+
+volatile        uint16_t        *obj0;  /* object pointer */
 #endif
 
@@ -436 +437 @@
 void dobar(int16_t nb, int16_t bv)
 {
-        register uint16_t *bp;
-        register int16_t i;
+        volatile uint16_t *bp;
+        int16_t i;
 
         if ((nb LT 1) OR (nb GT 82))
@@ -472 +473 @@
 void dosw(int16_t nb, int16_t sv)
 {
-        register uint16_t *bp, j;
-        register int16_t i;
+        volatile uint16_t *bp;
+        uint16_t j;
+        int16_t i;
 
         if ((nb LT 1) OR (nb GT 82))
@@ -516 +518 @@
 int16_t cx_adsp(void)
 {
-        register int16_t xasig, xastat, xaval;
-        register int32_t xafi;
-        register int32_t lc;
-        register uint16_t *bp;
+        int16_t xasig, xastat, xaval;
+        int32_t xafi;
+        int32_t lc;
+        volatile uint16_t *bp;
         int16_t i, j, k;
         int16_t oldi;
@@ -529 +531 @@
         vsndpal(dfltpal);
 
-        obj0 = (uint16_t *)0x200400L;
+        obj0 = (volatile uint16_t *)0x200400L;
 
         SetObj(0, 0, 0, obj0, 512, 350, 0, 0, (V_RES3 | V_TDE), -1);

rom/romp.x

@@ -24 +24 @@
    =============================================================================
 */
+
+extern  volatile        uint16_t        *obj0;
 
 extern  int32_t         afi;
@@ -59 +61 @@
 extern  int8_t          *monptr;
 extern  int16_t         monsw;
-extern  uint16_t        *obj0;
 extern  uint16_t        *p_ba0;
 extern  uint16_t        *p_ba1;