7 files changed, 102 insertions, 5 deletions
diff --git a/projects/04/fill/Fill.asm b/projects/04/fill/Fill.asm
index 8f24a95..16d63e2 100644
--- a/projects/04/fill/Fill.asm
+++ b/projects/04/fill/Fill.asm
@@ -11,4 +11,66 @@
 // "white" in every pixel;
 // the screen should remain fully clear as long as no key is pressed.
 
-// Put your code here.
-\ No newline at end of file
+// Put your code here.
+
+(BEGIN)
+@KBD
+D=M
+
+@BLACK
+D;JNE
+
+@WHITE
+0;JMP
+
+(BLACK)
+@8191
+D=A
+@i
+M=D
+
+(LOOPB)
+@i
+D=M
+@j
+M=D
+@SCREEN
+D=A
+@j
+M=M+D
+A=M
+M=-1
+@i
+M=M-1
+D=M
+@LOOPB
+D+1;JGT
+
+@BEGIN
+0;JMP
+
+(WHITE)
+@8191
+D=A
+@i
+M=D
+
+(LOOPW)
+@i
+D=M
+@j
+M=D
+@SCREEN
+D=A
+@j
+M=M+D
+A=M
+M=0
+@i
+M=M-1
+D=M
+@LOOPW
+D+1;JGT
+
+@BEGIN
+0;JMP
diff --git a/projects/04/fill/Fill.tst b/projects/04/fill/Fill.tst
index 149bfee..e8bb385 100644
--- a/projects/04/fill/Fill.tst
+++ b/projects/04/fill/Fill.tst
@@ -3,7 +3,7 @@
 // by Nisan and Schocken, MIT Press.
 // File name: projects/04/fill/Fill.tst
 
-load Fill.hack;
+load Fill.asm;
 echo "Make sure that 'No Animation' is selected. Then, select the keyboard, press any key for some time, and inspect the screen.";
 
 repeat {
diff --git a/projects/04/fill/FillAutomatic.out b/projects/04/fill/FillAutomatic.out
new file mode 100644
index 0000000..a71db27
--- /dev/null
+++ b/projects/04/fill/FillAutomatic.out
@@ -0,0 +1,4 @@
+|RAM[16384]|RAM[17648]|RAM[18349]|RAM[19444]|RAM[20771]|RAM[21031]|RAM[22596]|RAM[23754]|RAM[24575]|
+|       0  |       0  |       0  |       0  |       0  |       0  |       0  |       0  |       0  |
+|      -1  |      -1  |      -1  |      -1  |      -1  |      -1  |      -1  |      -1  |      -1  |
+|       0  |       0  |       0  |       0  |       0  |       0  |       0  |       0  |       0  |
diff --git a/projects/04/fill/FillAutomatic.tst b/projects/04/fill/FillAutomatic.tst
index 90bfef9..fbc29a0 100644
--- a/projects/04/fill/FillAutomatic.tst
+++ b/projects/04/fill/FillAutomatic.tst
@@ -12,7 +12,7 @@
 // This is done in order to test that these registers are set to 000...0 or 111....1, 
 // as mandated by how the Fill program should react to the keyboard events.
 
-load Fill.hack,
+load Fill.asm,
 output-file FillAutomatic.out,
 compare-to FillAutomatic.cmp,
 output-list RAM[16384]%D2.6.2 RAM[17648]%D2.6.2 RAM[18349]%D2.6.2 RAM[19444]%D2.6.2 RAM[20771]%D2.6.2 RAM[21031]%D2.6.2 RAM[22596]%D2.6.2 RAM[23754]%D2.6.2 RAM[24575]%D2.6.2;
diff --git a/projects/04/mult/mult.asm b/projects/04/mult/Mult.asm
index b44440a..50bbba0 100644
--- a/projects/04/mult/mult.asm
+++ b/projects/04/mult/Mult.asm
@@ -6,4 +6,28 @@
 // Multiplies R0 and R1 and stores the result in R2.
 // (R0, R1, R2 refer to RAM[0], RAM[1], and RAM[2], respectively.)
 
-// Put your code here.
-\ No newline at end of file
+// Put your code here.
+
+@i
+M=0
+@R2
+M=0
+
+(LOOP)
+@i
+M=M+1
+D=M
+@R0
+D=D-M
+@END
+D;JGT
+@R1
+D=M
+@R2
+M=M+D
+@LOOP
+0;JMP
+
+(END)
+@END
+0;JMP
diff --git a/projects/04/mult/Mult.out b/projects/04/mult/Mult.out
new file mode 100644
index 0000000..e31b5df
--- /dev/null
+++ b/projects/04/mult/Mult.out
@@ -0,0 +1,7 @@
+|  RAM[0]  |  RAM[1]  |  RAM[2]  |
+|       0  |       0  |       0  |
+|       1  |       0  |       0  |
+|       0  |       2  |       0  |
+|       3  |       1  |       3  |
+|       2  |       4  |       8  |
+|       6  |       7  |      42  |
diff --git a/projects/04/mult/Mult.tst b/projects/04/mult/Mult.tst
index f877664..9bf4fa8 100644
--- a/projects/04/mult/Mult.tst
+++ b/projects/04/mult/Mult.tst
@@ -3,7 +3,7 @@
 // by Nisan and Schocken, MIT Press.
 // File name: projects/04/mult/Mult.tst
 
-load Mult.hack,
+load Mult.asm,
 output-file Mult.out,
 compare-to Mult.cmp,
 output-list RAM[0]%D2.6.2 RAM[1]%D2.6.2 RAM[2]%D2.6.2;