First develop commit. Adding all existing files.

resources/TOY/multiply-function.toy

@@ -0,0 +1,35 @@
+program Multiply-function
+// Input:    x, y, and z
+// Output:   x * y * z
+// Remarks:  Inefficient for large or negative values of x or y
+// -----------------------------------------------------------------------------
+10: 82FF   read R[2]                     x
+11: 83FF   read R[3]                     y
+12: 84FF   read R[4]                     z
+
+// Multiply x and y
+13: 1A20   R[A] <- R[2]                  x
+14: 1B30   R[B] <- R[3]                  y
+15: FF30   R[F] <- pc; goto 30           x * y
+
+// Multiply (x * y) and z
+16: 1AC0   R[A] <- R[C]                  x * y
+17: 1B40   R[B] <- R[4]                  z
+18: FF30   R[F] <- pc; goto 30           (x * y) * z
+
+19: 9CFF   write R[C]                    
+1A: 0000   halt                          
+
+function multiply
+// Input:                R[A] and R[B] (should be passed by value)
+// Return address:       R[F]
+// Output:               R[C] = R[A] * R[B]
+// Temporary variables:  R[1] = 1
+
+30: 7C00   R[C] <- 0000                  
+31: 7101   R[1] <- 0001                  
+32: CA36   if (R[A] == 0) goto 36        
+33: 1CCB   R[C] <- R[C] + R[B]           
+34: 2AA1   R[A] <- R[A] - R[1]           
+35: C032   goto 32                       
+36: EF00   goto R[F]