PHD: Difference between revisions

Latest revision as of 12:04, 14 December 2023


Basic Info
Addressing Mode	Opcode	Length	Speed
Stack	0B	1 byte	4 cycles


Flags Affected
N	V	M	X	D	I	Z	C
.	.	.	.	.	.	.	.

PHD (PusH Direct Page) is a 65c816 instruction that pushes the value of the direct page register onto the stack. The high byte is pushed before the low byte. The stack pointer is decremented by two.

External Links

Eyes & Lichty page 478, on PHD: https://archive.org/details/0893037893ProgrammingThe65816/page/n504
Labiak page 162 on PHD: https://archive.org/details/Programming_the_65816/page/n172
snes9x implementation of PHD: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1786

@@ Line 1: / Line 1: @@
-'''PHD''' is a [[65c816]] instruction that pushes the value of the [[direct page register]] onto the [[stack]].
+{| class="wikitable" style="float:right;clear:right;width:40%"
+!colspan="8"|Basic Info
+|+
+|'''Addressing Mode'''
+|'''Opcode'''
+|'''Length'''
+|'''Speed'''
+|+
+|[[Stack Addressing|Stack]]
+|0B
+|1 byte
+|4 cycles
+|}
 {| class="wikitable" style="float:right;clear:right;width:30%"
-!colspan="9"|Flags Clobbered
+!colspan="9"|Flags Affected
 |+
-|N
+|[[Negative Flag|N]]
-|V
+|[[Overflow Flag|V]]
-|M
+|[[M Flag|M]]
-|X
+|[[X Flag|X]]
-|D
+|[[Decimal Flag|D]]
-|I
+|[[I Flag|I]]
-|Z
+|[[Zero Flag|Z]]
-|C
+|[[Carry Flag|C]]
 |+
 |.
@@ Line 22: / Line 34: @@
 |.
 |}
+'''PHD''' (PusH Direct Page) is a [[65c816]] instruction that pushes the value of the [[direct page register]] onto the [[stack]].  The high byte is pushed before the low byte.  The [[stack pointer]] is decremented by two.
+=== See Also ===
+* [[PLD]]
+* [[PHB]]
+* [[TDC]]
+* [[PHK]]
+=== External Links ===
+* [[Eyes & Lichty]] page 478, on PHD: https://archive.org/details/0893037893ProgrammingThe65816/page/n504
+* [[Labiak]] page 162 on PHD: https://archive.org/details/Programming_the_65816/page/n172
+* snes9x implementation of PHD: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1786
 [[Category:ASM]]
+[[Category:65c816 additions]]
+[[Category:One-byte Instructions]]
+[[Category:Four-cycle Instructions]]