ORG 100 /Start Here
INPUT
Store X /Store 1st input value in X
INPUT
Store Y / Store 2nd input value in Y
choice, INPUT
Store C /Store choice in C
if, Load C
Subt A
Skipcond 400
Jump elseif1
JnS ADDITION /Call subroutine
Jump end
elseif1, Load C
Subt S
Skipcond 400
Jump elseif2
JnS SUBTRACT /Call subroutine
Jump end
elseif2, Load C
Subt M
Skipcond 400
Jump elseif3
JnS MULTIPLY /Call subroutine
Jump end
elseif3, Load C
Subt D
Skipcond 400
Jump elseif4
JnS DIVISION /Call subroutine
Jump end
elseif4, Load C
Subt Q
Skipcond 400
Jump choice /re-enter choice
Halt /stop the program
end, Output /Display the value
Halt /Stop
X, DEC 0
Y, DEC 0
C, DEC 0
/add two numbers
ADDITION Load X
Add Y
JumpI ADDITION / Indirect jump to return.
/subtract two numbers
SUBTRACT Load X
Subt Y
JumpI SUBTRACT / Indirect jump to return.
/multiply two numbers using continuous add loop
MULTIPLY loop, Load num
Add X
Store num
Load Y
Subt one
Store Y
Skipcond 400
Jump loop
Load num
JumpI MULTIPLY / Indirect jump to return.
/divide two numbers and return the quotient
DIVIDE If, Load X
Subt Y
Skipcond 800
Jump EndIf
Store X
Load quo
Add one
Store quo
Jump If
EndIf, Load quo
JumpI DIVIDE / Indirect jump to return.
/constants values
one, DEC 1
num, DEC 0
rem, DEC 0
quo, DEC 0
A, DEC 97 /a
M, DEC 109 /m
S, DEC 115 /s
D, DEC 100 /d
Q, DEC 113 /q
这是一个可以加减乘除的计算器。一旦用户完成了一个操作数，它也应该直接转到下一个，但它给了我错误，我似乎无法修复它们。在我看来一切都很好，但它一直说“操作数未定义”。我确定这对其他人来说是一个明显的错误，但我似乎无法修复它。希望有人可以帮助我解决这个问题！谢谢！