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| Rev 15 |
Rev 21 |
* The "alpha channel" exercise in section 7.1.3
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* The "alpha channel" exercise in section 7.1.3
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x GREG
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x GREG
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y GREG
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y GREG
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z GREG
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z GREG
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m GREG
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m GREG
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alpha GREG
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alpha GREG
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t IS $255
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t IS $255
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l GREG #0101010101010101
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l GREG #0101010101010101
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h GREG #8080808080808080
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h GREG #8080808080808080
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mone GREG -1
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mone GREG -1
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rodd GREG #4020100804020101
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rodd GREG #4020100804020101
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lsh GREG #0080402010080402
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lsh GREG #0080402010080402
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LOC #100
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LOC #100
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Main XOR t,x,y
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Main XOR t,x,y
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MOR z,rodd,t
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MOR z,rodd,t
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AND t,x,y
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AND t,x,y
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ADDU z,z,t
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ADDU z,z,t
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AND t,alpha,h
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AND t,alpha,h
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MOR m,mone,t
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MOR m,mone,t
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PUT rM,m
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PUT rM,m
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MUX x,z,x
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MUX x,z,x
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MUX y,y,z
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MUX y,y,z
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MOR alpha,lsh,alpha
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MOR alpha,lsh,alpha
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XOR t,x,y
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XOR t,x,y
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MOR z,t,rodd
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MOR z,t,rodd
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AND t,x,y
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AND t,x,y
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ADDU z,z,t
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ADDU z,z,t
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AND t,alpha,h
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AND t,alpha,h
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MOR m,t,mone
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MOR m,t,mone
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PUT rM,m
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PUT rM,m
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MUX x,z,x
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MUX x,z,x
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MUX y,y,z
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MUX y,y,z
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MOR alpha,alpha,lsh
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MOR alpha,alpha,lsh
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XOR t,x,y
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XOR t,x,y
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MOR z,t,rodd
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MOR z,t,rodd
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AND t,x,y
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AND t,x,y
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ADDU z,z,t
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ADDU z,z,t
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AND t,alpha,h
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AND t,alpha,h
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MOR m,t,mone
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MOR m,t,mone
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PUT rM,m
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PUT rM,m
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MUX x,z,x
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MUX x,z,x
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MUX y,y,z
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MUX y,y,z
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MOR alpha,alpha,lsh
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MOR alpha,alpha,lsh
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XOR t,x,y
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XOR t,x,y
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MOR z,t,rodd
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MOR z,t,rodd
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AND t,x,y
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AND t,x,y
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ADDU z,z,t
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ADDU z,z,t
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AND t,alpha,h
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AND t,alpha,h
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MOR m,t,mone
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MOR m,t,mone
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PUT rM,m
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PUT rM,m
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MUX x,z,x
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MUX x,z,x
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MUX y,y,z
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MUX y,y,z
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MOR alpha,alpha,lsh
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MOR alpha,alpha,lsh
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XOR t,x,y
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XOR t,x,y
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MOR z,t,rodd
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MOR z,t,rodd
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AND t,x,y
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AND t,x,y
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ADDU z,z,t
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ADDU z,z,t
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AND t,alpha,h
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AND t,alpha,h
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MOR m,t,mone
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MOR m,t,mone
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PUT rM,m
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PUT rM,m
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MUX x,z,x
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MUX x,z,x
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MUX y,y,z
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MUX y,y,z
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MOR alpha,alpha,lsh
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MOR alpha,alpha,lsh
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XOR t,x,y
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XOR t,x,y
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MOR z,t,rodd
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MOR z,t,rodd
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AND t,x,y
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AND t,x,y
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ADDU z,z,t
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ADDU z,z,t
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AND t,alpha,h
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AND t,alpha,h
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MOR m,t,mone
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MOR m,t,mone
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PUT rM,m
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PUT rM,m
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MUX x,z,x
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MUX x,z,x
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MUX y,y,z
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MUX y,y,z
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MOR alpha,alpha,lsh
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MOR alpha,alpha,lsh
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XOR t,x,y
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XOR t,x,y
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MOR z,t,rodd
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MOR z,t,rodd
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AND t,x,y
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AND t,x,y
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ADDU z,z,t
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ADDU z,z,t
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AND t,alpha,h
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AND t,alpha,h
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MOR m,t,mone
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MOR m,t,mone
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PUT rM,m
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PUT rM,m
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MUX x,z,x
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MUX x,z,x
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MUX y,y,z
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MUX y,y,z
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MOR alpha,alpha,lsh
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MOR alpha,alpha,lsh
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XOR t,x,y
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XOR t,x,y
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MOR z,t,rodd
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MOR z,t,rodd
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AND t,x,y
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AND t,x,y
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ADDU z,z,t
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ADDU z,z,t
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TRAP 0,Halt,0
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TRAP 0,Halt,0
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