Memory contention

Assembly	T-states	prefix M1	M1	M2	M3	M4	M5
ld J,K	4		opcode(pc)
ld O,P	44	prefix(pc)	opcode(pc+1)
ld J,BYTE	43		opcode(pc)	arg(pc+1)
ld O,BYTE	443	prefix(pc)	opcode(pc+1)	arg(pc+2)
ld J,(hl)	43		opcode(pc)	read(hl)
ld J,(XY+OFFSET)	44353	prefix(pc)	opcode(pc+1)	arg(pc+2)	%:5	read(EA)
ld (hl),K	43		opcode(pc)	write(hl)
ld (XY+OFFSET),K	44353	prefix(pc)	opcode(pc+1)	arg(pc+2)	%:5	write(EA)
ld (hl),BYTE	433		opcode(pc)	arg(pc+1)	write(hl)
ld (XY+OFFSET),BYTE	44353	prefix(pc)	opcode(pc+1)	arg(pc+2)	arg(pc+3):2	write(EA)
ld a,(bc)	3		opcode(pc)	read(bc)
ld a,(de)	3		opcode(pc)	read(de)
ld a,(WORD)	4333		opcode(pc)	arg(pc+1)	arg(pc+2)	read(WORD)
ld (bc),a	43		opcode(pc)	write(bc)
ld (de),a	43		opcode(pc)	write(de)
ld (WORD),a	4333		opcode(pc)	arg(pc+1)	arg(pc+2)	write(WORD)
ld a,i	45	perfix(pc)	opcode(pc):1
ld a,r	45	perfix(pc)	opcode(pc):1
ld i,a	45	perfix(pc)	opcode(pc):1
ld r,a	45	perfix(pc)	opcode(pc):1
ld SS,WORD	433		opcode(pc)	arg(pc+1)	arg(pc+2)
ld XY,WORD	4433	prefix(pc)	opcode(pc+1)	arg(pc+2)	arg(pc+3)
ld hl,(WORD)	43333		opcode(pc)	arg(pc+1)	arg(pc+2)	read(WORD)	read(WORD+1)
ld SS,(WORD)	443333	prefix(pc)	opcode(pc+1)	arg(pc+2)	arg(pc+3)	read(WORD)	read(WORD+1)
ld XY,(WORD)	443333	prefix(pc)	opcode(pc+1)	arg(pc+2)	arg(pc+3)	read(WORD)	read(WORD+1)
ld (WORD),hl	43333		opcode(pc)	arg(pc+1)	arg(pc+2)	write(WORD)	write(WORD+1)
ld (WORD),SS	443333	prefix(pc)	opcode(pc+1)	arg(pc+2)	arg(pc+3)	write(WORD)	write(WORD+1)
ld (WORD),XY	443333	prefix(pc)	opcode(pc+1)	arg(pc+2)	arg(pc+3)	write(WORD)	write(WORD+1)
ld sp,hl	6		opcode(pc):2
ld sp,XY	46	prefix(pc)	opcode(pc+1):2
push TT	533		opcode(pc):1	write(sp-1)	write(sp-2)
push XY	4533	prefix(pc)	opcode(pc+1):1	write(sp-1)	write(sp-2)
pop TT	433		opcode(pc)	read(sp)	read(sp+1)
pop XY	4433	prefix(pc)	opcode(pc+1)	read(sp)	read(sp+1)