Alek Ratzloff
28edfb6933
Number tokens with a dollar sign are kind of cumbersome and don't really serve a purpose, so I'm removing them. Signed-off-by: Alek Ratzloff <alekratz@gmail.com>
115 lines
2.2 KiB
NASM
115 lines
2.2 KiB
NASM
.section data 0x1000 {
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number: .u8 10
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main:
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; Test addition
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mov %status, 1
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add %r0, 1
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cmpeq %r0, 1
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jz end
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; Test addition from a register
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mov %status, 2
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add %r0, %r0
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cmpeq %r0, 2
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jz end
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; Test addition from a u8 location
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mov %status, 3
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add %r0, (number)u8
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cmpeq %r0, 12
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jz end
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; Test addition overflow
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mov %status, 4
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add %r0, 0xFFFFFFFFFFFFFFFF
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cmpeq %r0, 11
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jz end
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; Test subtraction
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mov %status, 5
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mov %r0, (number)u8
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sub %r0, 1
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cmpeq %r0, 9
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jz end
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; Test subtraction from a register
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mov %status, 6
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mov %r1, 2
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sub %r0, %r1
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cmpeq %r0, 7
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jz end
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; Test subtraction overflow
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mov %status, 7
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sub %r0, 8
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cmpeq %r0, 0xFFFFFFFFFFFFFFFF
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jz end
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; Test multiplication
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mov %status, 8
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mov %r0, (number)u8
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mul %r0, 1
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cmpeq %r0, 10
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jz end
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; Test multiplication from a register
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mov %status, 9
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mov %r1, 2
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mul %r0, %r1
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cmpeq %r0, 20
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jz end
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; Test negative multiplication
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mov %status, 10
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mul %r0, 0xFFFFFFFFFFFFFFFF ; -1
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cmpeq %r0, 0xFFFFFFFFFFFFFFEC ; -20
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jz end
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; Test division
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mov %status, 11
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mov %r0, (number)u8
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div %r0, 2
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cmpeq %r0, 5
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jz end
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; Test integer division
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mov %status, 12
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mov %r1, 2
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div %r0, %r1
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cmpeq %r0, 2
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jz end
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; Test negative division with idiv
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mov %status, 13
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idiv %r0, 0xFFFFFFFFFFFFFFFF ; -1
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cmpeq %r0, 0xFFFFFFFFFFFFFFFE ; -2
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jz end
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; Test modulo
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mov %status, 14
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mov %r0, (number)u8
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mod %r0, 4
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cmpeq %r0, 2
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jz end
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; Test mod from a register
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mov %status, 15
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mod %r0, %r0
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cmpeq %r0, 0
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jz end
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; TODO : Test mod and div by zero
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mov %status, 0
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end:
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halt
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.export main
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}
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.meta {
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ip: main
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}
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