Fix serial input spam when no terminal on stdin

Makefile

@@ -38,7 +38,7 @@ OBJECTS = $(patsubst %,$(BUILD)/%, $(SOURCES:.c=.o))
 # commented them out for the time being
 #LDFLAGS = -Wl,--relax -Wl,--gc-sections
 LDFLAGS = -lm
-OPT := -O3 -flto -fno-fat-lto-objects
+OPT := -O3 -flto -fno-fat-lto-objects -march=native
 CFLAGS  = -c -g -Wall -Wno-format $(OPT) -D LINUX
 
 all: directory $(SOURCES) $(OBJECTS) Makefile

debug.c

@@ -24,7 +24,7 @@ extern int32_t baudrate;
 extern int32_t eeprom;
 extern char *hubram;
 extern int32_t printbreak;
-extern PasmVarsT PasmVars[8];
+extern PasmVarsT PasmVars[16];
 extern SerialT serial_in;
 extern SerialT serial_out;
 
@@ -247,7 +247,7 @@ int32_t RunProp(int32_t maxloops)
     while (runflag && (maxloops < 0 || loopcount < maxloops))
     {
         runflag = step_chip();
-        CheckCommand();
+        //CheckCommand();
         if (baudrate)
         {
             CheckSerialOut(&serial_out);

gdb.c

@@ -19,7 +19,7 @@
 extern FILE *logfile;
 extern FILE *tracefile;
 extern FILE *cmdfile;
-extern PasmVarsT PasmVars[8];
+extern PasmVarsT PasmVars[16];
 extern char *hubram;
 char cmd[1028];
 extern int32_t profile;

pasmsim.c

@@ -11,7 +11,7 @@ extern char *hubram;
 extern int32_t memsize;
 extern char lockstate[16];
 extern char lockalloc[16];
-extern PasmVarsT PasmVars[8];
+extern PasmVarsT PasmVars[16];
 extern int32_t pasmspin;
 extern int32_t cycleaccurate;
 extern int32_t loopcount;
@@ -28,12 +28,16 @@ void PrintResults(int32_t zcri, int32_t zflag, int32_t cflag, int32_t result)
 
 static int32_t parity(int32_t val)
 {
+#if 0
     val ^= val >> 16;
     val ^= val >> 8;
     val ^= val >> 4;
     val ^= val >> 2;
     val ^= val >> 1;
     return val & 1;
+#else
+	return __builtin_parity(val);
+#endif
 }
 
 static int32_t abs(int32_t val)

pasmsim2.c

@@ -56,12 +56,12 @@ static int wrl_flags1 = 0;
 static int rdl_flags0 = 0;
 static int rdl_flags1 = 0;
 
-char *GetOpname2(unsigned int, int *, int *, int *);
+char *GetOpname2(unsigned int, int *, int *, int *, int);
 
 static void NotImplemented(int instruction)
 {
     int dummy;
-    char *opname = GetOpname2(instruction, &dummy, &dummy, &dummy);
+    char *opname = GetOpname2(instruction, &dummy, &dummy, &dummy,0);
     printf("%s%s not implemented - %8.8x%s", NEW_LINE, opname, instruction, NEW_LINE);
     spinsim_exit(1);
 }
@@ -2641,13 +2641,13 @@ int32_t ExecutePasmInstruction2(PasmVarsT *pasmvars)
                 if (value2 >= 0xfff80 && value2 < 0xfffc0)
                     wrl_flags0 |= 1 << ((value2 >> 2) & 15);
 	        result = read_unaligned_long(value2);
-                if ((value1 & 0xff) != 0xff)
+                if (value1 & 0xff)
                     result = (result & ~0xff) | (value1 & 0xff);
-                if ((value1 & 0xff) != 0xff00)
+                if (value1 & 0xff00)
                     result = (result & ~0xff00) | (value1 & 0xff00);
-                if ((value1 & 0xff) != 0xff0000)
+                if (value1 & 0xff0000)
                     result = (result & ~0xff0000) | (value1 & 0xff0000);
-                if ((value1 & 0xff) != 0xff000000)
+                if (value1 & 0xff000000)
                     result = (result & ~0xff000000) | (value1 & 0xff000000);
 	        write_unaligned_long(value2, result);
                 if (pasmvars->printflag > 1)
@@ -3618,7 +3618,7 @@ int32_t ExecutePasmInstruction2(PasmVarsT *pasmvars)
 
                 case 43: // pop
 		pasmvars->retptr = (pasmvars->retptr - 1) & 7;
-		pasmvars->retstack[pasmvars->retptr] = value1;
+		result = pasmvars->retstack[pasmvars->retptr];
 		if (pasmvars->retptr == 7)
 		    printf("return stack underflow%s", NEW_LINE);
                 break;

spininterp.c

@@ -14,7 +14,7 @@
 #include "spinsim.h"
 
 extern int32_t printflag;
-extern PasmVarsT PasmVars[8];
+extern PasmVarsT PasmVars[16];
 extern char *hubram;
 extern int32_t memsize;
 extern int32_t loopcount;
@@ -37,21 +37,10 @@ int32_t MAP_ADDR(int32_t addr)
 {
     if ((addr & 0xfffffff0) == 0x12340000)
     {
-	addr = memsize + (addr & 15);
-    }
-    else if (memsize == 65536)
-    {
-        addr &= 0xffff;
-    }
-    else if (((uint32_t)addr) >= memsize)
-    {
-#if 0
-        fprintf(tracefile, "MAP_ADDR(%d): address out of bounds %8.8x\n", loopcount, addr);
-	addr = memsize + 12;
-#else
-        addr &= memsize - 1;
-#endif
-    }
+		addr = memsize + (addr & 15);
+    } else {
+    	addr &= memsize - 1;
+	}
     //fprintf(tracefile, "MAP_ADDR: %8.8x %8.8x\n", addr, ((uint32_t *)hubram)[addr>>2]);
 
     return addr;

spinsim.c

@@ -525,6 +525,7 @@ int CheckSerialIn(SerialT *serial)
         value = getch();
 //printf("CheckSerialIn: value = %x\n", value);
         if (value == 0x1d) return 1;
+        if (value == EOF) return 0;
         serial->flag = 1;
         serial->value = value;
     }