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push

Operands

push rr

SP is decremented and B is stored into the memory location pointed to by SP. SP is decremented again and C is stored into the memory location pointed to by SP.

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Variants

Every form of push the assembler accepts. The cycles column counts clock cycles, written as taken/not taken for the conditional forms.

InstructionDescriptionFlagsBytesCycles
push bc

SP is decremented and B is stored into the memory location pointed to by SP. SP is decremented again and C is stored into the memory location pointed to by SP.

—111
push de

SP is decremented and D is stored into the memory location pointed to by SP. SP is decremented again and E is stored into the memory location pointed to by SP.

—111
push ix

SP is decremented and IXH is stored into the memory location pointed to by SP. SP is decremented again and IXL is stored into the memory location pointed to by SP.

—215
push hl

SP is decremented and H is stored into the memory location pointed to by SP. SP is decremented again and L is stored into the memory location pointed to by SP.

—111
push af

SP is decremented and A is stored into the memory location pointed to by SP. SP is decremented again and F is stored into the memory location pointed to by SP.

—111
push iy

SP is decremented and IYH is stored into the memory location pointed to by SP. SP is decremented again and IYL is stored into the memory location pointed to by SP.

—215