User:CoBB - Revision history

CoBB: /* Miscellaneous */

2006-03-07T08:50:20Z

‎Miscellaneous

CoBB: /* Flags */

2006-03-07T08:49:01Z

‎Flags

CoBB: /* Reference */

2006-03-07T08:48:00Z

‎Reference

CoBB: /* Reference */

2006-03-07T08:47:12Z

‎Reference

CoBB: /* Z80 instruction set */

2006-03-07T08:43:44Z

‎Z80 instruction set

CoBB: /* Z80 instruction set */

2006-03-06T21:36:20Z

‎Z80 instruction set

CoBB: /* Z80 instruction set */

2006-03-06T08:07:07Z

‎Z80 instruction set

CoBB: /* Z80 instruction set */

2006-03-05T17:47:24Z

‎Z80 instruction set

CoBB: /* Z80 instruction set */

2006-03-05T10:29:49Z

‎Z80 instruction set

CoBB: /* Z80 instruction set */

2006-03-03T17:26:31Z

‎Z80 instruction set

← Older revision		Revision as of 08:50, 7 March 2006
Line 461:		Line 461:
	* * = any bit value (0 or 1)		* * = any bit value (0 or 1)
	* memptr = an internal 16-bit register connected to 16-bit operations		* memptr = an internal 16-bit register connected to 16-bit operations
		+	* tmp, tmp2 = temporary storage whose value is thrown away after each instruction

@@ Line 437: / Line 437: @@
 === Flags ===
 * - = no change
-* + = change by definition (if noted, by the operation marked with '=> flags'):
+* + = change by definition (if noted, by the operation marked with '=> flags', otherwise by the only non-single-bit operation):
 ** S = sign, bit 7 of the result byte (accumulator or high byte for 16-bit operations)
 ** Z = zero, set if the result is zero (8 or 16-bit value)

@@ Line 55: / Line 55: @@
 | ccf || <tt>00111111</tt> || 4 || - || - || A || X || A || - || 0 || X || hf := cf, cf := ~cf
 |-
-| cp R || <tt>10111rrr</tt> || 4 || + || + || X || + || X || V || 1 || + || tmp := a - R => flags, xf := R.5, yf = R.3
+| cp R || <tt>10111rrr</tt> || 4 || + || + || X || + || X || V || 1 || + || tmp := a - R, xf := R.5, yf = R.3
 |-
 | cp J || <tt>11i11101 1011110b</tt> || 8 || + || + || X || + || X || V || 1 || + || tmp := a - J, xf := J.5, yf = J.3
@@ Line 63: / Line 63: @@
 | cp (hl) || <tt>10111110</tt> || 7 || + || + || X || + || X || V || 1 || + || tmp := a - (hl), xf := (hl).5, yf = (hl).3
 |-
-| cp (I+D) || <tt>11i11101 10111110 dddddddd</tt> || 19 || + || + || X || + || X || V || 1 || + || tmp := a - (I+D),<br>xf := (I+D).5, yf = (I+D).3
+| cp (I+D) || <tt>11i11101 10111110 dddddddd</tt> || 19 || + || + || X || + || X || V || 1 || + || tmp := a - (I+D), xf := (I+D).5, yf = (I+D).3
 |-
 | cpd || <tt>11101101 10101001</tt> || 16 || + || + || X || + || X || C || 1 || - || tmp := a - (hl) => flags, bc -= 1, hl -= 1,<br>xf := [tmp - hf].1, yf = [tmp - hf].3

@@ Line 43: / Line 43: @@
 | and (I+D) || <tt>11i11101 10100110 dddddddd</tt> || 19 || + || + || + || 1 || + || P || 0 || 0 || a := a AND (I+D)
 |-
-| bit B,R || <tt>11001011 01bbbrrr</tt> || 8 || + || + || + || 1 || + || P || 0 || - || tmp := R AND [1 << B] => flags
+| bit B,R || <tt>11001011 01bbbrrr</tt> || 8 || + || + || + || 1 || + || P || 0 || - || tmp := R AND [1 << B]
 |-
-| bit B,(hl) || <tt>11001011 01bbb110</tt> || 12 || + || + || X || 1 || X || P || 0 || - || tmp := (hl) AND [1 << B] => flags,<br>xf := memptr.13, yf := memptr.11
+| bit B,(hl) || <tt>11001011 01bbb110</tt> || 12 || + || + || X || 1 || X || P || 0 || - || tmp := (hl) AND [1 << B],<br>xf := memptr.13, yf := memptr.11
 |-
-| bit B,(I+D) || <tt>11i11101 11001011 dddddddd 01bbb***</tt> || 20 || + || + || X || 1 || X || P || 0 || - || tmp := (I+D) AND [1 << B] => flags,<br>xf := [I+D].13, yf := [I+D].11
+| bit B,(I+D) || <tt>11i11101 11001011 dddddddd 01bbb***</tt> || 20 || + || + || X || 1 || X || P || 0 || - || tmp := (I+D) AND [1 << B],<br>xf := [I+D].13, yf := [I+D].11
 |-
 | call A || <tt>11001101 alalalal ahahahah</tt> || 17 || - || - || - || - || - || - || - || - || sp -= 2, (sp) := pc, pc := A
@@ Line 57: / Line 57: @@
 | cp R || <tt>10111rrr</tt> || 4 || + || + || X || + || X || V || 1 || + || tmp := a - R => flags, xf := R.5, yf = R.3
 |-
-| cp J || <tt>11i11101 1011110b</tt> || 8 || + || + || X || + || X || V || 1 || + || tmp := a - J => flags, xf := J.5, yf = J.3
+| cp J || <tt>11i11101 1011110b</tt> || 8 || + || + || X || + || X || V || 1 || + || tmp := a - J, xf := J.5, yf = J.3
 |-
-| cp N || <tt>11111110 nnnnnnnn</tt> || 7 || + || + || X || + || X || V || 1 || + || tmp := a - N => flags, xf := N.5, yf = N.3
+| cp N || <tt>11111110 nnnnnnnn</tt> || 7 || + || + || X || + || X || V || 1 || + || tmp := a - N, xf := N.5, yf = N.3
 |-
-| cp (hl) || <tt>10111110</tt> || 7 || + || + || X || + || X || V || 1 || + || tmp := a - (hl) => flags, xf := (hl).5, yf = (hl).3
+| cp (hl) || <tt>10111110</tt> || 7 || + || + || X || + || X || V || 1 || + || tmp := a - (hl), xf := (hl).5, yf = (hl).3
 |-
-| cp (I+D) || <tt>11i11101 10111110 dddddddd</tt> || 19 || + || + || X || + || X || V || 1 || + || tmp := a - (I+D) => flags,<br>xf := (I+D).5, yf = (I+D).3
+| cp (I+D) || <tt>11i11101 10111110 dddddddd</tt> || 19 || + || + || X || + || X || V || 1 || + || tmp := a - (I+D),<br>xf := (I+D).5, yf = (I+D).3
 |-
 | cpd || <tt>11101101 10101001</tt> || 16 || + || + || X || + || X || C || 1 || - || tmp := a - (hl) => flags, bc -= 1, hl -= 1,<br>xf := [tmp - hf].1, yf = [tmp - hf].3
@@ Line 117: / Line 117: @@
 | in R,(c) || <tt>11101101 01rrr000</tt> || 12 || + || + || + || 0 || + || P || 0 || - || R := ((c))
 |-
-| in f,(c) || <tt>11101101 01110000</tt> || 12 || + || + || + || 0 || + || P || 0 || - || ((c)) => flags
+| in f,(c) || <tt>11101101 01110000</tt> || 12 || + || + || + || 0 || + || P || 0 || - || tmp := ((c))
 |-
 | inc R || <tt>00rrr100</tt> || 4 || + || + || + || + || + || V || 0 || - || R += 1

@@ Line 285: / Line 285: @@
 | retn || <tt>11101101 01**0101</tt> || 14 || - || - || - || - || - || - || - || - || pc := (sp), sp += 2, iff1 := iff2
 |-
-| rla || <tt>00010111</tt> || 4 || - || - || + || 0 || + || - || 0 || X || ocf := cf, cf := a.7,<br>a := [a << 1] + ocf => flags
+| rla || <tt>00010111</tt> || 4 || - || - || + || 0 || + || - || 0 || X || ocf := cf, cf := a.7, a := [a << 1] + ocf
 |-
-| rl R || <tt>11001011 00010rrr</tt> || 8 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := R.7,<br>R := [R << 1] + ocf => flags
+| rl R || <tt>11001011 00010rrr</tt> || 8 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := R.7, R := [R << 1] + ocf
 |-
-| rl (hl) || <tt>11001011 00010110</tt> || 15 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (hl).7,<br>(hl) := [(hl) << 1] + ocf => flags
+| rl (hl) || <tt>11001011 00010110</tt> || 15 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (hl).7, (hl) := [(hl) << 1] + ocf
 |-
-| rl (I+D) || <tt>11i11101 11001011 dddddddd 00010110</tt> || 23 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (I+D).7,<br>(I+D) := [(I+D) << 1] + ocf => flags
+| rl (I+D) || <tt>11i11101 11001011 dddddddd 00010110</tt> || 23 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (I+D).7,<br>(I+D) := [(I+D) << 1] + ocf
 |-
-| rl (I+D)->R || <tt>11i11101 11001011 dddddddd 00010rrr</tt> || 23 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (I+D).7,<br>(I+D) := R := [(I+D) << 1] + ocf => flags
+| rl (I+D)->R || <tt>11i11101 11001011 dddddddd 00010rrr</tt> || 23 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (I+D).7,<br>(I+D) := R := [(I+D) << 1] + ocf
 |-
-| rlca || <tt>00000111</tt> || 4 || - || - || + || 0 || + || - || 0 || X || cf := a.7, a := [a << 1] + cf => flags
+| rlca || <tt>00000111</tt> || 4 || - || - || + || 0 || + || - || 0 || X || cf := a.7, a := [a << 1] + cf
 |-
-| rlc R || <tt>11001011 00000rrr</tt> || 8 || + || + || + || 0 || + || P || 0 || X || cf := R.7, R := [R << 1] + cf => flags
+| rlc R || <tt>11001011 00000rrr</tt> || 8 || + || + || + || 0 || + || P || 0 || X || cf := R.7, R := [R << 1] + cf
 |-
-| rlc (hl) || <tt>11001011 00000110</tt> || 15 || + || + || + || 0 || + || P || 0 || X || cf := (hl).7, (hl) := [(hl) << 1] + cf => flags
+| rlc (hl) || <tt>11001011 00000110</tt> || 15 || + || + || + || 0 || + || P || 0 || X || cf := (hl).7, (hl) := [(hl) << 1] + cf
 |-
-| rlc (I+D) || <tt>11i11101 11001011 dddddddd 00000110</tt> || 23 || + || + || + || 0 || + || P || 0 || X || cf := (I+D).7,<br>(I+D) := [(I+D) << 1] + cf => flags
+| rlc (I+D) || <tt>11i11101 11001011 dddddddd 00000110</tt> || 23 || + || + || + || 0 || + || P || 0 || X || cf := (I+D).7, (I+D) := [(I+D) << 1] + cf
 |-
-| rlc (I+D)->R || <tt>11i11101 11001011 dddddddd 00000rrr</tt> || 23 || + || + || + || 0 || + || P || 0 || X || cf := (I+D).7,<br>(I+D) := R := [(I+D) << 1] + cf => flags
+| rlc (I+D)->R || <tt>11i11101 11001011 dddddddd 00000rrr</tt> || 23 || + || + || + || 0 || + || P || 0 || X || cf := (I+D).7, (I+D) := R := [(I+D) << 1] + cf
 |-
 | rld || <tt>11101101 01101111</tt> || 18 || + || + || + || 0 || + || P || 0 || - || tmp := [(hl) << 4] + [a AND 0x0f], (hl) := tmp,<br>a := [a AND 0xf0] + [tmp >> 8] => flags
 |-
-| rra || <tt>00011111</tt> || 4 || - || - || + || 0 || + || - || 0 || X || ocf := cf, cf := a.0,<br>a := [a >> 1] + [ocf << 7] => flags
+| rra || <tt>00011111</tt> || 4 || - || - || + || 0 || + || - || 0 || X || ocf := cf, cf := a.0, a := [a >> 1] + [ocf << 7]
 |-
-| rr R || <tt>11001011 00011rrr</tt> || 8 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := R.0,<br>R := [R >> 1] + [ocf << 7] => flags
+| rr R || <tt>11001011 00011rrr</tt> || 8 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := R.0, R := [R >> 1] + [ocf << 7]
 |-
-| rr (hl) || <tt>11001011 00011110</tt> || 15 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (hl).0,<br>(hl) := [(hl) >> 1] + [ocf << 7] => flags
+| rr (hl) || <tt>11001011 00011110</tt> || 15 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (hl).0,<br>(hl) := [(hl) >> 1] + [ocf << 7]
 |-
-| rr (I+D) || <tt>11i11101 11001011 dddddddd 00011110</tt> || 23 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (I+D).0,<br>(I+D) := [(I+D) >> 1] + [ocf << 7] => flags
+| rr (I+D) || <tt>11i11101 11001011 dddddddd 00011110</tt> || 23 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (I+D).0,<br>(I+D) := [(I+D) >> 1] + [ocf << 7]
 |-
-| rr (I+D)->R || <tt>11i11101 11001011 dddddddd 00011rrr</tt> || 23 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (I+D).0,<br>(I+D) := R := [(I+D) >> 1] + [ocf << 7] => flags
+| rr (I+D)->R || <tt>11i11101 11001011 dddddddd 00011rrr</tt> || 23 || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (I+D).0,<br>(I+D) := R := [(I+D) >> 1] + [ocf << 7]
 |-
-| rrca || <tt>00001111</tt> || 4 || - || - || + || 0 || + || - || 0 || X || cf := a.0, a := [a >> 1] + [cf << 7] => flags
+| rrca || <tt>00001111</tt> || 4 || - || - || + || 0 || + || - || 0 || X || cf := a.0, a := [a >> 1] + [cf << 7]
 |-
-| rrc R || <tt>11001011 00001rrr</tt> || 8 || + || + || + || 0 || + || P || 0 || X || cf := R.0, R := [R >> 1] + [cf << 7] => flags
+| rrc R || <tt>11001011 00001rrr</tt> || 8 || + || + || + || 0 || + || P || 0 || X || cf := R.0, R := [R >> 1] + [cf << 7]
 |-
-| rrc (hl) || <tt>11001011 00001110</tt> || 15 || + || + || + || 0 || + || P || 0 || X || cf := (hl).0,<br>(hl) := [(hl) >> 1] + [cf << 7] => flags
+| rrc (hl) || <tt>11001011 00001110</tt> || 15 || + || + || + || 0 || + || P || 0 || X || cf := (hl).0, (hl) := [(hl) >> 1] + [cf << 7]
 |-
-| rrc (I+D) || <tt>11i11101 11001011 dddddddd 00001110</tt> || 23 || + || + || + || 0 || + || P || 0 || X || cf := (I+D).0,<br>(I+D) := [(I+D) >> 1] + [cf << 7] => flags
+| rrc (I+D) || <tt>11i11101 11001011 dddddddd 00001110</tt> || 23 || + || + || + || 0 || + || P || 0 || X || cf := (I+D).0, (I+D) := [(I+D) >> 1] + [cf << 7]
 |-
-| rrc (I+D)->R || <tt>11i11101 11001011 dddddddd 00001rrr</tt> || 23 || + || + || + || 0 || + || P || 0 || X || cf := (I+D).0,<br>(I+D) := R := [(I+D) >> 1] + [cf << 7] => flags
+| rrc (I+D)->R || <tt>11i11101 11001011 dddddddd 00001rrr</tt> || 23 || + || + || + || 0 || + || P || 0 || X || cf := (I+D).0,<br>(I+D) := R := [(I+D) >> 1] + [cf << 7]
 |-
 | rrd || <tt>11101101 01100111</tt> || 18 || + || + || + || 0 || + || P || 0 || - || tmp := (hl),<br>(hl) := [tmp >> 4] + [[a AND 0x0f] << 4],<br>a := [a AND 0xf0] + [tmp AND 0x0f] => flags
@@ Line 339: / Line 339: @@
 | sbc a,(hl) || <tt>10011110</tt> || 7 || + || + || + || + || + || V || 1 || + || a -= (hl) + cf
 |-
-| sbc a,(I+D) || <tt>11i11101 10011110 dddddddd</tt> || 15 || + || + || + || + || + || V || 1 || + || a -= (I+D) + cf
+| sbc a,(I+D) || <tt>11i11101 10011110 dddddddd</tt> || 19 || + || + || + || + || + || V || 1 || + || a -= (I+D) + cf
 |-
 | scf || <tt>00110111</tt> || 4 || - || - || A || 0 || A || - || 0 || 1 || nothing else
@@ Line 350: / Line 352: @@
 |-
 | set B,(I+D)->R || <tt>11i11101 11001011 dddddddd 11bbbrrr</tt> || 23 || - || - || - || - || - || - || - || - || (I+D) := R := (I+D) OR [1 << B]
 |}
@@ Line 406: / Line 460: @@
 * E.B = the Bth bit of the value of expression E
 * &#42; = any bit value (0 or 1)

@@ Line 328: / Line 328: @@
 |-
 | rrd || <tt>11101101 01100111</tt> || 18 || + || + || + || 0 || + || P || 0 || - || tmp := (hl),<br>(hl) := [tmp >> 4] + [[a AND 0x0f] << 4],<br>a := [a AND 0xf0] + [tmp AND 0x0f] => flags
 |}
@@ Line 355: / Line 377: @@
 |-
 | R || 8-bit general purpose register: a, b, c, d, e, h, l || rrr (or sss) = 111, 000, 001, 010, 011, 100, 101
 |}

@@ Line 55: / Line 55: @@
 | ccf || <tt>00111111</tt> || 4 || - || - || A || X || A || - || 0 || X || hf := cf, cf := ~cf
 |-
-| cp R || <tt>10111rrr</tt> || 4 || + || + || X || + || X || V || 1 || + || tmp := a - R => flags,<br>xf := R.5, yf = R.3
+| cp R || <tt>10111rrr</tt> || 4 || + || + || X || + || X || V || 1 || + || tmp := a - R => flags, xf := R.5, yf = R.3
 |-
-| cp J || <tt>11i11101 1011110b</tt> || 8 || + || + || X || + || X || V || 1 || + || tmp := a - J => flags,<br>xf := J.5, yf = J.3
+| cp J || <tt>11i11101 1011110b</tt> || 8 || + || + || X || + || X || V || 1 || + || tmp := a - J => flags, xf := J.5, yf = J.3
 |-
-| cp N || <tt>11111110 nnnnnnnn</tt> || 7 || + || + || X || + || X || V || 1 || + || tmp := a - N => flags,<br>xf := N.5, yf = N.3
+| cp N || <tt>11111110 nnnnnnnn</tt> || 7 || + || + || X || + || X || V || 1 || + || tmp := a - N => flags, xf := N.5, yf = N.3
 |-
-| cp (hl) || <tt>10111110</tt> || 7 || + || + || X || + || X || V || 1 || + || tmp := a - (hl) => flags,<br>xf := (hl).5, yf = (hl).3
+| cp (hl) || <tt>10111110</tt> || 7 || + || + || X || + || X || V || 1 || + || tmp := a - (hl) => flags, xf := (hl).5, yf = (hl).3
 |-
 | cp (I+D) || <tt>11i11101 10111110 dddddddd</tt> || 19 || + || + || X || + || X || V || 1 || + || tmp := a - (I+D) => flags,<br>xf := (I+D).5, yf = (I+D).3
@@ Line 275: / Line 275: @@
 | res B,(I+D) || <tt>11i11101 11001011 dddddddd 10bbb110</tt> || 23 || - || - || - || - || - || - || - || - || (I+D) := (I+D) AND ~[1 << B]
 |-
-| res B,(I+D)->R || <tt>11i11101 11001011 dddddddd 10bbbrrr</tt> || 23 || - || - || - || - || - || - || - || - || R := (I+D) := (I+D) AND ~[1 << B]
+| res B,(I+D)->R || <tt>11i11101 11001011 dddddddd 10bbbrrr</tt> || 23 || - || - || - || - || - || - || - || - || (I+D) := R := (I+D) AND ~[1 << B]
 |-
 | ret || <tt>11001001</tt> || 10 || - || - || - || - || - || - || - || - || pc := (sp), sp += 2
@@ Line 284: / Line 284: @@
 |-
 | retn || <tt>11101101 01**0101</tt> || 14 || - || - || - || - || - || - || - || - || pc := (sp), sp += 2, iff1 := iff2
 |}

@@ Line 45: / Line 45: @@
 | bit B,R || <tt>11001011 01bbbrrr</tt> || 8 || + || + || + || 1 || + || P || 0 || - || tmp := R AND [1 << B] => flags
 |-
-| bit B,(hl) || <tt>11001011 01bbb110</tt> || 12 || + || + || ? || 1 || ? || P || 0 || - || tmp := (hl) AND [1 << B] => flags
+| bit B,(hl) || <tt>11001011 01bbb110</tt> || 12 || + || + || X || 1 || X || P || 0 || - || tmp := (hl) AND [1 << B] => flags,<br>xf := memptr.13, yf := memptr.11
 |-
 | bit B,(I+D) || <tt>11i11101 11001011 dddddddd 01bbb***</tt> || 20 || + || + || X || 1 || X || P || 0 || - || tmp := (I+D) AND [1 << B] => flags,<br>xf := [I+D].13, yf := [I+D].11
@@ Line 107: / Line 107: @@
 | halt || <tt>01110110</tt> || 4 || - || - || - || - || - || - || - || - || wait for interrupt
 |-
-| im 0 || <tt>11101101 01000110</tt> || 8 || - || - || - || - || - || - || - || - || mode 0: execute instruction on bus
+| im 0 || <tt>11101101 01*0*110</tt> || 8 || - || - || - || - || - || - || - || - || mode 0: execute instruction on bus
 |-
-| im 1 || <tt>11101101 01010110</tt> || 8 || - || - || - || - || - || - || - || - || mode 1: execute rst $38
+| im 1 || <tt>11101101 01*10110</tt> || 8 || - || - || - || - || - || - || - || - || mode 1: execute rst $38
 |-
-| im 2 || <tt>11101101 01011110</tt> || 8 || - || - || - || - || - || - || - || - || mode 2: call (i * 256 + byte on bus)
+| im 2 || <tt>11101101 01*11110</tt> || 8 || - || - || - || - || - || - || - || - || mode 2: call (i * 256 + byte on bus)
 |-
 | in a,(N) || <tt>11011011 nnnnnnnn</tt> || 11 || - || - || - || - || - || - || - || - || a := ((N))
@@ Line 252: / Line 252: @@
 |-
 | out (c),0 || <tt>11101101 01110001</tt> || 12 || - || - || - || - || - || - || - || - || ((c)) := ? (seems to vary with CPU)
 |-
 | pop P || <tt>11pp0001</tt> || 10 || - || - || - || - || - || - || - || - || P := (sp), sp += 2
 |-
 | push P || <tt>11pp0101</tt> || 11 || - || - || - || - || - || - || - || - || sp -= 2, (sp) := P
 |-
 | ret || <tt>11001001</tt> || 10 || - || - || - || - || - || - || - || - || pc := (sp), sp += 2
 |}

@@ Line 65: / Line 65: @@
 | cp (I+D) || <tt>11i11101 10111110 dddddddd</tt> || 19 || + || + || X || + || X || V || 1 || + || tmp := a - (I+D) => flags,<br>xf := (I+D).5, yf = (I+D).3
 |-
-| cpd || <tt>11101101 10101001</tt> || 16 || + || + || X || + || X || X || 1 || - || tmp := a - (hl) => flags,<br>bc -= 1, hl -= 1, pf := bc <> 0,<br>xf := [tmp - hf].1, yf = [tmp - hf].3
+| cpd || <tt>11101101 10101001</tt> || 16 || + || + || X || + || X || C || 1 || - || tmp := a - (hl) => flags, bc -= 1, hl -= 1,<br>xf := [tmp - hf].1, yf = [tmp - hf].3
 |-
-| cpdr || <tt>11101101 10111001</tt> || 21/16 || + || + || X || + || X || X || 1 || - || cpd, if bc > 0 and nz then pc -= 2
+| cpdr || <tt>11101101 10111001</tt> || 21/16 || + || + || X || + || X || C || 1 || - || cpd, if bc <> 0 and nz then pc -= 2
 |-
-| cpi || <tt>11101101 10100001</tt> || 16 || + || + || X || + || X || X || 1 || - || tmp := a - (hl) => flags,<br>bc -= 1, hl += 1, pf := bc <> 0,<br>xf := [tmp - hf].1, yf = [tmp - hf].3
+| cpi || <tt>11101101 10100001</tt> || 16 || + || + || X || + || X || C || 1 || - || tmp := a - (hl) => flags, bc -= 1, hl += 1,<br>xf := [tmp - hf].1, yf = [tmp - hf].3
 |-
-| cpir || <tt>11101101 10110001</tt> || 21/16 || + || + || X || + || X || X || 1 || - || cpi, if bc > 0 and nz then pc -= 2
+| cpir || <tt>11101101 10110001</tt> || 21/16 || + || + || X || + || X || C || 1 || - || cpi, if bc <> 0 and nz then pc -= 2
 |-
 | cpl || <tt>00101111</tt> || 4 || - || - || + || 1 || + || - || 1 || - || a := ~a
@@ Line 224: / Line 224: @@
 |-
 | ld sp,I || <tt>11i11101 11111001</tt> || 10 || - || - || - || - || - || - || - || - || sp := I
 |-
 | pop P || <tt>11pp0001</tt> || 10 || - || - || - || - || - || - || - || - || P := (sp), sp += 2
@@ Line 276: / Line 304: @@
 * V = overflow (only for the parity flag)
 * A = OR with the respective bit of the accumulator
 === Miscellaneous ===
@@ Line 282: / Line 311: @@
 * [] = operator precedence (to avoid confusion with indirection)
 * E.B = the Bth bit of the value of expression E

@@ Line 188: / Line 188: @@
 |-
 | ld a,(de) || <tt>00011010</tt> || 7 || - || - || - || - || - || - || - || - || a := (de)
 |-
 | ld i,a || <tt>11101101 01000111</tt> || 9 || - || - || - || - || - || - || - || - || i := a
@@ Line 196: / Line 204: @@
 |-
 | ld a,r || <tt>11101101 01011111</tt> || 9 || + || + || + || 0 || + || X || 0 || - || a := r, pf := iff2
 |-
 | pop P || <tt>11pp0001</tt> || 10 || - || - || - || - || - || - || - || - || P := (sp), sp += 2
@@ Line 208: / Line 236: @@
 ! Notation !! Meaning !! Respective opcode bits
 |-
-| A || 16-bit address || alalalal ahahahah
+| A || 16-bit address or immediate || alalalal ahahahah
 |-
 | B || Bit number: 0..7 || bbb = 000..111