35.3.1.6. INTEGER ARITHMETICAL ON 68K
Code Size Mnemonic Description
1101nnn0ss<-EA-> B,W,L ADD Dn, Dn + ->
1101nnn1ss<-EA-> B,W,L ADD ,Dn + Dn -> Dn
1101nnns11<-EA-> W,L ADDA ,An + An -> An
00000110ss<-EA-> B,W,L ADDI #Im, + #Im ->
0101xxx0xx<-EA-> B,W,L ADDQ #x, + #x ->
#x=1..8
1101yyy1ss000xxx B,W,L ADDX Dy,Dx Dx + Dy + X -> Dx
1101yyy1ss001xxx B,W,L ADDX -(Ay),-(Ax) + + X
->
- - - - - - - - -
1000nnn111<-EA-> 32->16 DIVS ,Dn Dn/ -> Dn
[signed]
1000nnn011<-EA-> 32->16 DIVU ,Dn Dn/ -> Dn
[unsigned]
1100nnn111<-EA-> 16->32 MULS ,Dn Dn * -> Dn
[signed]
1100nnn011<-EA-> 16->32 MULU ,Dn Dn * -> Dn
[unsigned]
- - - - - - - - -
01000100ss<-EA-> B,W,L NEG 0 - ->
01000000ss<-EA-> B,W,L NEGX 0 - - X ->
1001nnn0ss<-EA-> B,W,L SUB ,Dn Dn - -> Dn
1001nnn1ss<-EA-> B,W,L SUB Dn, - Dn ->
1001nnns11<-EA-> W,L SUBA ,An An - -> An
00000100ss<-EA-> B,W,L SUBI #Im, - #Im ->
0101xxx1ss<-EA-> B,W,L SUBQ #x, - #x ->
#x = 1..8
1001yyy1ss000xxx B,W,L SUBX Dy,Dx Dx - Dy - X -> Dy
1001yyy1ss001xxx B,W,L SUBX -(Ay), -(Ax) -(Ax) - -(Ay) -X -> (Ay)
=============== Since MC68020: ======================
0100110000<-EA-> L MULS.L ,Dn Dn * -> Dn
0lll10000000hhhh (32x32->32) Signed
0100110000<-EA-> L MULS.L ,Dn:Dh Dn * -> Dn:Dh
0lll11000000hhhh (32x32->64) Signed
0100110000<-EA-> L MULU.L ,Dn Dn * -> Dn
0lll00000000hhhh (32x32->32) Unsigned
0100110000<-EA-> L MULU.L ,Dn:Dh Dn * -> Dn:Dh
0lll01000000hhhh (32x32->64) Unsigned
0100110001<-EA-> L DIVS.L ,Dq Dq / -> Dq
0qqq100000000rrr
0100110001<-EA-> L DIVS.L ,Dr:Dq Dr:Dq / -> Dr:Dq
0qqq110000000rrr
0100110001<-EA-> L DIVU.L ,Dq Dq / -> Dq
0qqq000000000rrr
0100110001<-EA-> L DIVU.L ,Dr:Dq Dr:Dq / -> Dr:Dq
0qqq010000000rrr
@
35.3.1.7. INTEGER ARITHMETICAL ON Z80
Operation Description Code
ADC A,r A <- A + r + Cy 88+r
ADC A,n A <- A + n + Cy CE n
ADD A,(ii+n) A <- A + (ii+n) + Cy ii 8E
ADC HL,rr HL <- HL + rr + Cy ED 01xx1010
ADD A,r A <- A + r 80+r
ADD A,n A <- A + n C6 n
ADD A,(ii+n) A <- A + (ii+n) ii 86 n
ADD HL,rr HL <- HL + rr 00xx1001
ADD IX,ry IX <- IX + ry ii 00xx1001
ADD IY,rx IY <- IY + ry ii 00xx1001
DEC r r -- 00xxx101
DEC (ii+n) (ii+n) -- ii 35 n
DEC rr rr -- 00xx1011
DEC ii ii -- ii 2B
INC r r ++ 00xxx100
INC (ii+n) (ii+n) ++ ii 34 n
INC rr rr ++ 00xx0011
INC ii ii ++ ii 23
NEG A <- 0 - A ED 44
SBC A,r A <- A - r - Cy 98+r
SBC A,n A <- A - n - Cy DE n
SBC A,(ii+n) A <- A - (ii+n) - Cy ii 9E n
SBC HL,rr HL <- HL - rr - Cy ED 01xx0010
SUB r A <- A - r 90+r
SUB n A <- A - n D6 n
SUB (ii+n) A <- A - (ii+n) ii 96 n
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