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Implmenet op -0x3f

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This commit is contained in:
Takashi Toyoshima 2014-12-06 22:50:50 +09:00
parent 124bfa1941
commit fb81353de3
1 changed files with 49 additions and 30 deletions
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79
6502.S
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@ -388,6 +388,14 @@ op23:
op27: op27:
op2b: op2b:
op2f: op2f:
op32:
op33:
op34:
op37:
op3a:
op3b:
op3c:
op3f:
_nop _nop
_decode _decode
@ -551,39 +559,50 @@ op2e: // ROL - Absolute
_toAddr _toAddr
_decode _decode
op30: op30: // BMI (N==1)
b quit movs r0, #FLAG_N
op31: tst SR, r0
b quit beq 1f
op32: _bxx
b quit 1:
op33: _decode
b quit
op34: op31: // AND - (Indirect), Y
b quit _fromIndirectIndex
op35: _lop ands
b quit _decode
op36:
b quit op35: // AND - Zero Page, X
op37: _fromZeroIndex RX
b quit _lop ands
_decode
op36: // ROL - Zero Page, X
_fromZeroIndex RX
_rol
_toAddr
_decode
op38: // SEC op38: // SEC
_sex FLAG_C _sex FLAG_C
_decode _decode
op39:
b quit op39: // AND - Absolute, Y
op3a: _fromAbsoluteIndexed RY
b quit _lop ands
op3b: _decode
b quit
op3c: op3d: // AND - Absolute, X
b quit _fromAbsoluteIndexed RX
op3d: _lop ands
b quit _decode
op3e:
b quit op3e: // ROL - Absolute, X
op3f: _fromAbsoluteIndexed RX
b quit _rol
_toAddr
_decode
op40: op40:
b quit b quit
op41: op41: