Merge pull request #25 from dhwanish-3/working

Final submission to the laboratory
dhwanish-3 · Dec 6, 2023 · a046a9c · a046a9c
2 parents 1852d31 + e437310
commit a046a9c
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Showing 2 changed files with 68 additions and 15 deletions.
diff --git a/Stage26/int12.xsm b/Stage26/int12.xsm
@@ -39,18 +39,12 @@ SUB R17, 1
 MOD R17, 512
 ADD R16, R17
 MOV R1, R16
-MOV R16, "logout"
-PORT P1, R16
-OUT
 MOV R16, 29560
 ADD R16, 1
 MOV R16, [R16]
 MOV R17, 2
 NE R16, R17
 JZ R16, _L1
-MOV R16, "-1"
-PORT P1, R16
-OUT
 MOV [R1], -1
 JMP _L2
 _L1:
@@ -64,9 +58,6 @@ MOV R2, R16
 CALL 21504
 POP R1
 POP R0
-MOV R16, "killed"
-PORT P1, R16
-OUT
 MOV R16, 28672
 ADD R16, 32
 ADD R16, 4

diff --git a/expl/assemblycode.xsm b/expl/assemblycode.xsm
@@ -14,9 +14,12 @@ INT 10
 PUSH BP
 MOV BP,SP
 PUSH R0
-MOV R0,"Fork"
 PUSH R0
+MOV R0,"Write"
 PUSH R0
+MOV R0,-2
+PUSH R0
+MOV R0,"Enter file name"
 PUSH R0
 PUSH R0
 PUSH R0
@@ -30,9 +33,16 @@ MOV R2,BP
 MOV R1,1
 ADD R2,R1
 MOV [R2],R0
-MOV R0,"Fork"
+MOV R0,"Read"
 PUSH R0
+MOV R0,-1
 PUSH R0
+MOV R1,BP
+MOV R0,2
+ADD R1,R0
+MOV R0,[R1]
+MOV R0,R1
+MOV R0,R0
 PUSH R0
 PUSH R0
 PUSH R0
@@ -46,8 +56,13 @@ MOV R2,BP
 MOV R1,1
 ADD R2,R1
 MOV [R2],R0
-MOV R0,"Fork"
+MOV R0,"Delete"
 PUSH R0
+MOV R1,BP
+MOV R0,2
+ADD R1,R0
+MOV R0,[R1]
+MOV R0,R0
 PUSH R0
 PUSH R0
 PUSH R0
@@ -62,9 +77,18 @@ MOV R2,BP
 MOV R1,1
 ADD R2,R1
 MOV [R2],R0
-MOV R0,"Fork"
+MOV R1,BP
+MOV R0,1
+ADD R1,R0
+MOV R0,[R1]
+MOV R1,0
+EQ R0,R1
+JZ R0,2250
+MOV R0,"Write"
 PUSH R0
+MOV R0,-2
 PUSH R0
+MOV R0,"Deleted"
 PUSH R0
 PUSH R0
 PUSH R0
@@ -78,10 +102,19 @@ MOV R2,BP
 MOV R1,1
 ADD R2,R1
 MOV [R2],R0
-MOV R0,"Exec"
+JMP 2356
+MOV R1,BP
+MOV R0,1
+ADD R1,R0
+MOV R0,[R1]
+MOV R1,-1
+EQ R0,R1
+JZ R0,2302
+MOV R0,"Write"
 PUSH R0
-MOV R0,"pid.xsm"
+MOV R0,-2
 PUSH R0
+MOV R0,"No permission"
 PUSH R0
 PUSH R0
 PUSH R0
@@ -95,12 +128,41 @@ MOV R2,BP
 MOV R1,1
 ADD R2,R1
 MOV [R2],R0
+JMP 2356
+MOV R1,BP
+MOV R0,1
+ADD R1,R0
+MOV R0,[R1]
+MOV R1,-2
+EQ R0,R1
+JZ R0,2356
+PUSH R0
+MOV R0,"Write"
+PUSH R0
+MOV R0,-2
+PUSH R0
+MOV R0,"File is open"
+PUSH R0
+PUSH R0
+PUSH R0
+CALL 0
+SUB SP,5
+POP R0
+MOV R1,6
+MOV R2,SP
+ADD R2,R1
+MOV R1,[R2]
+MOV R3,BP
+MOV R2,1
+ADD R3,R2
+MOV [R3],R1
 MOV R0,0
 MOV R1,BP
 MOV R2,2
 SUB R1,R2
 MOV [R1],R0
 POP R0
+POP R0
 MOV BP,[SP]
 POP R0
 RET