UPD78320 Datasheet, PDF (55/88 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLER

µPD78320, 78322
Mnemonic
Operand
ADDW
SUBW
CMPW
MULU
DIVUW
MULUW
AX, #word
saddrp, #word
sfrp, #word
rp, rp1
AX, saddrp
AX, sfrp
saddrp, saddrp
AX, #word
saddrp, #word
sfrp, #word
rp, rp1
AX, saddrp
AX, sfrp
saddrp, saddrp
AX, #word
saddrp, #word
sfrp, #word
rp, rp1
AX, saddrp
AX, sfrp
saddrp, saddrp
r1
r1
rp1
DIVUX
rp1
MULW
rp1
Operation
3 AX, CY ← AX + word
4 (saddrp), CY ← (saddrp) + word
5 sfrp, CY ← sfrp + word
2 rp, CY ← rp + rp1
2 AX, CY ← AX + (saddrp)
3 AX, CY ← AX + sfrp
3 (saddrp), CY ← (saddrp) + (saddrp)
3 AX, CY ← AX – word
4 (saddrp), CY ← (saddrp) – word
5 sfrp, CY ← sfrp – word
2 rp, CY ← rp – rp1
2 AX, CY ← AX – (saddrp)
3 AX, CY ← AX – sfrp
3 (saddrp), CY ← (saddrp) – (saddrp)
3 AX – word
4 (saddrp) – word
5 sfrp – word
2 rp – rp1
2 AX – (saddrp)
3 AX – sfrp
3 (saddrp) – (saddrp)
2 AX ← A × r1
2 AX(quotient), r1(remainder) ← AX ÷ r1
AX(higher 16 bits), rp1(lower 16 bits)
2
← AX × rp1
AXDE(quotient), rp1(remainder) ← AXDE
2 _{÷ rp1}
Flags
S Z AC P/V CY
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
×××V×
AX(higher 16 bits), rp1(lower 16 bits)
2
← AX × rp1
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