VSU performance tweak, add immediate notation setting

util/disassembler.c

@@ -253,18 +253,24 @@ static void dasmOpDisp26(char*dest, VBU_DasmConfig*config, VBU_DasmLine*line) {
 }
 
 /* Format a 5-bit sign-extended immediate operand */
-static void dasmOpImm5S(char *dest, VBU_DasmLine *line) {
+static void dasmOpImm5S(char *dest, VBU_DasmConfig*config, VBU_DasmLine *line){
+    if (config->immediateNotation == VBU_NUMBER)
+        *dest++ = '#';
     sprintf(dest, "%d", SignExtend(line->code[0], 5));
 }
 
 /* Format a 5-bit zero-filled immediate operand */
-static void dasmOpImm5U(char *dest, VBU_DasmLine *line) {
+static void dasmOpImm5U(char *dest, VBU_DasmConfig*config, VBU_DasmLine *line){
+    if (config->immediateNotation == VBU_NUMBER)
+        *dest++ = '#';
     sprintf(dest, "%d", line->code[0] & 31);
 }
 
 /* Format a 16-bit sign-extended immediate operand */
 static void dasmOpImm16S(char*dest, VBU_DasmConfig*config, VBU_DasmLine*line) {
-    int32_t imm = (int16_t) ((int16_t) line->code[3] << 8 | line->code[2]);
+    int32_t imm    = (int16_t) ((int16_t) line->code[3] << 8 | line->code[2]);
+    if (config->immediateNotation == VBU_NUMBER)
+        *dest++ = '#';
     if (imm >= -256 && imm <= 256) {
         sprintf(dest, "%d", imm);
         return;
@@ -279,6 +285,8 @@ static void dasmOpImm16S(char*dest, VBU_DasmConfig*config, VBU_DasmLine*line) {
 /* Format a 16-bit zero-filled immediate operand */
 static void dasmOpImm16U(char*dest, VBU_DasmConfig*config, VBU_DasmLine*line) {
     uint16_t imm = (uint16_t) line->code[3] << 8 | line->code[2];
+    if (config->immediateNotation == VBU_NUMBER)
+        *dest++ = '#';
     dasmToHex(dest, config, 4, imm);
 }
 
@@ -454,8 +462,8 @@ static void dasmOperand(char *dest, VBU_DasmConfig *config,
         case DASM_BCOND : dasmOpBCOND (dest, config, line); break;
         case DASM_DISP9 : dasmOpDisp9 (dest, config, line); break;
         case DASM_DISP26: dasmOpDisp26(dest, config, line); break;
-        case DASM_IMM5S : dasmOpImm5S (dest,         line); break;
-        case DASM_IMM5U : dasmOpImm5U (dest,         line); break;
+        case DASM_IMM5S : dasmOpImm5S (dest, config, line); break;
+        case DASM_IMM5U : dasmOpImm5U (dest, config, line); break;
         case DASM_IMM16S: dasmOpImm16S(dest, config, line); break;
         case DASM_IMM16U: dasmOpImm16U(dest, config, line); break;
         case DASM_JMP   : dasmOpJMP   (dest, config, line); break;
@@ -680,7 +688,7 @@ static VBU_DasmLine* dasmDisassemble(VB *sim, uint32_t address,
         if (dasmLine(sim, &addr, pc, config, &lines, &size, &offset, x))
             goto catch;
     }
-    return lines;
+    return VBU_REALLOC(lines, offset);
 
     /* Exception handler */
     catch:

util/vbu.c

@@ -47,6 +47,7 @@ VBUAPI VBU_DasmConfig* vbuDasmInit(VBU_DasmConfig *config) {
     config->conditionNotation = VBU_NAMES;
     config->hexCase           = VBU_UPPER;
     config->hexNotation       = VBU_0X;
+    config->immediateNotation = VBU_NONE;
     config->memoryNotation    = VBU_OUTSIDE;
     config->mnemonicCase      = VBU_UPPER;
     config->operandOrder      = VBU_DEST_LAST;

util/vbu.h

@@ -29,6 +29,8 @@ extern "C" {
 #define VBU_L          0
 #define VBU_LOWER      1
 #define VBU_NAMES      1
+#define VBU_NONE       0
+#define VBU_NUMBER     1
 #define VBU_NUMBERS    0
 #define VBU_OUTSIDE    0
 #define VBU_SPLIT      1
@@ -48,6 +50,7 @@ typedef struct {               /* Defaults listed first */
     uint8_t conditionNotation; /* NAMES, NUMBERS */
     uint8_t hexCase;           /* UPPER, LOWER */
     uint8_t hexNotation;       /* 0X, H, DOLLAR */
+    uint8_t immediateNotation; /* NONE, NUMBER */
     uint8_t memoryNotation;    /* OUTSIDE, INSIDE */
     uint8_t mnemonicCase;      /* UPPER, LOWER */
     uint8_t operandOrder;      /* DEST_LAST, DEST_FIRST */