Add solutions for part 1

2020-11-15 13:57:48 -05:00
parent e4f9fd2682
commit 742db6d102
479 changed files with 202980 additions and 13 deletions
--- a/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeries.asm
+++ b/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeries.asm
@@ -0,0 +1,350 @@
+// push argument 1
+@1
+D = A
+@ARG
+A = M
+A = D + A
+D = M
+// ^ D = *(LCL + index)
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// ^ push D
+
+// pop pointer THAT
+@SP
+A = M
+A = A - 1
+D = M
+@SP
+M = M - 1
+@THAT
+M = D
+// ^ pop into THAT
+
+// push constant 0
+@0
+D = A
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+
+// pop that 0
+@0
+D = A
+@THAT
+A = M
+D = D + A
+@R13
+M = D
+// ^ R13 = that + index
+@SP
+A = M
+A = A - 1
+D = M
+@SP
+M = M - 1
+// ^ pop into D
+@R13
+A = M
+M = D
+// ^ *R13 = D
+
+// push constant 1
+@1
+D = A
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+
+// pop that 1
+@1
+D = A
+@THAT
+A = M
+D = D + A
+@R13
+M = D
+// ^ R13 = that + index
+@SP
+A = M
+A = A - 1
+D = M
+@SP
+M = M - 1
+// ^ pop into D
+@R13
+A = M
+M = D
+// ^ *R13 = D
+
+// push argument 0
+@0
+D = A
+@ARG
+A = M
+A = D + A
+D = M
+// ^ D = *(LCL + index)
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// ^ push D
+
+// push constant 2
+@2
+D = A
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+
+// sub
+@SP
+A = M
+A = A - 1
+A = A - 1
+D = M
+A = A + 1
+D = D - M
+A = A - 1
+M = D
+@SP
+M = M - 1
+
+// pop argument 0
+@0
+D = A
+@ARG
+A = M
+D = D + A
+@R13
+M = D
+// ^ R13 = argument + index
+@SP
+A = M
+A = A - 1
+D = M
+@SP
+M = M - 1
+// ^ pop into D
+@R13
+A = M
+M = D
+// ^ *R13 = D
+
+// label MAIN_LOOP_START
+(MAIN_LOOP_START)
+
+// push argument 0
+@0
+D = A
+@ARG
+A = M
+A = D + A
+D = M
+// ^ D = *(LCL + index)
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// ^ push D
+
+// if-goto COMPUTE_ELEMENT
+@SP
+A = M
+A = A - 1
+D = M
+@SP
+M = M - 1
+@COMPUTE_ELEMENT
+D;JNE
+// goto END_PROGRAM
+@END_PROGRAM
+0;JMP
+
+// label COMPUTE_ELEMENT
+(COMPUTE_ELEMENT)
+
+// push that 0
+@0
+D = A
+@THAT
+A = M
+A = D + A
+D = M
+// ^ D = *(LCL + index)
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// ^ push D
+
+// push that 1
+@1
+D = A
+@THAT
+A = M
+A = D + A
+D = M
+// ^ D = *(LCL + index)
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// ^ push D
+
+// add
+@SP
+A = M
+A = A - 1
+A = A - 1
+D = M
+A = A + 1
+D = D + M
+A = A - 1
+M = D
+@SP
+M = M - 1
+
+// pop that 2
+@2
+D = A
+@THAT
+A = M
+D = D + A
+@R13
+M = D
+// ^ R13 = that + index
+@SP
+A = M
+A = A - 1
+D = M
+@SP
+M = M - 1
+// ^ pop into D
+@R13
+A = M
+M = D
+// ^ *R13 = D
+
+// push pointer THAT
+@THAT
+D = M
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// ^ push THAT
+
+// push constant 1
+@1
+D = A
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+
+// add
+@SP
+A = M
+A = A - 1
+A = A - 1
+D = M
+A = A + 1
+D = D + M
+A = A - 1
+M = D
+@SP
+M = M - 1
+
+// pop pointer THAT
+@SP
+A = M
+A = A - 1
+D = M
+@SP
+M = M - 1
+@THAT
+M = D
+// ^ pop into THAT
+
+// push argument 0
+@0
+D = A
+@ARG
+A = M
+A = D + A
+D = M
+// ^ D = *(LCL + index)
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// ^ push D
+
+// push constant 1
+@1
+D = A
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+
+// sub
+@SP
+A = M
+A = A - 1
+A = A - 1
+D = M
+A = A + 1
+D = D - M
+A = A - 1
+M = D
+@SP
+M = M - 1
+
+// pop argument 0
+@0
+D = A
+@ARG
+A = M
+D = D + A
+@R13
+M = D
+// ^ R13 = argument + index
+@SP
+A = M
+A = A - 1
+D = M
+@SP
+M = M - 1
+// ^ pop into D
+@R13
+A = M
+M = D
+// ^ *R13 = D
+
+// goto MAIN_LOOP_START
+@MAIN_LOOP_START
+0;JMP
+
+// label END_PROGRAM
+(END_PROGRAM)
+