Improved code quality

src/asmc/call.go

@@ -24,7 +24,7 @@ func (c *compiler) call(x asm.Instruction) {
 		}
 
 		distance := destination - (pointer.Position + Address(pointer.Size))
-		return Address(distance)
+		return distance
 	}
 
 	c.codePointers = append(c.codePointers, pointer)

src/asmc/jump.go

@@ -40,7 +40,7 @@ func (c *compiler) jump(x asm.Instruction) {
 		}
 
 		distance := destination - (pointer.Position + Address(pointer.Size))
-		return Address(distance)
+		return distance
 	}
 
 	c.codePointers = append(c.codePointers, pointer)

src/asmc/resolvePointers.go

@@ -40,7 +40,7 @@ restart:
 			case 0xEB: // JMP
 				jump = []byte{0xE9}
 			default:
-				panic(fmt.Errorf("failed to increase pointer size for instruction 0x%x", opCode))
+				panic(fmt.Sprintf("failed to increase pointer size for instruction 0x%x", opCode))
 			}
 
 			pointer.Position += Address(len(jump) - int(pointer.OpSize))
@@ -90,9 +90,10 @@ restart:
 
 		for _, pointer := range c.dllPointers {
 			destination := importsStart + pointer.Resolve()
-			delta := destination - Address(c.codeStart+pointer.Position+Address(pointer.Size))
+			from := c.codeStart + pointer.Position + Address(pointer.Size)
+			offset := destination - from
 			slice := c.code[pointer.Position : pointer.Position+4]
-			binary.LittleEndian.PutUint32(slice, uint32(delta))
+			binary.LittleEndian.PutUint32(slice, uint32(offset))
 		}
 	}
 }