Z86C9116VSC Datasheet, PDF (41/56 Pages) Zilog, Inc. – COMS Z8 ROMLess Microcontrollers

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R253 RP
D7 D6 D5 D4 D3 D2 D1 D0
0 Reserved (Must be 0)
r4
r5 ^Working
Register
r6 ^Pointer
r7
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6WDFN 3RLQWHU +LJK 5HJLVWHU
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R254 SPH
D7 D6 D5 D4 D3 D2 D1 D0
Stack Pointer Upper
Byte (SP15 - SP8)
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6WDFN 3RLQWHU /RZ 5HJLVWHU
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R255 SPL
D7 D6 D5 D4 D3 D2 D1 D0
Stack Pointer Lower
Byte (SP7 - SP0)
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