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Refactoring for efficiency on restore from C

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This commit is contained in:
Aaron Culliney 2014-06-07 12:41:47 -07:00
parent 32f53a4e57
commit fa03fb3d48
1 changed files with 5 additions and 10 deletions
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15
src/x86/cpu.S
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@ -106,18 +106,13 @@
* it, else aux-stack using programs will crash when debugged.)
*/
#define RestoreState \
xorl _XAX, _XAX; \
xorl %ebx, %ebx; \
xorl %ecx, %ecx; \
movl $0x0100, SP_Reg_X; \
xorl %esi, %esi; \
xorl %edi, %edi; \
movw DebugCurrEA, EffectiveAddr; \
movw SN(cpu65_current), PC_Reg; \
movb SN(cpu65_current)+2, A_Reg; \
movb SN(cpu65_current)+3, %al; \
movzwl DebugCurrEA, EffectiveAddr_X; \
movzwl SN(cpu65_current), PC_Reg_X; \
movzbl SN(cpu65_current)+2, AF_Reg_X; \
movzbl SN(cpu65_current)+3, _XAX; \
movb SN(cpu65_flags_decode)(,_XAX,1), F_Reg; \
movb SN(cpu65_current)+4, X_Reg; \
movzbl SN(cpu65_current)+4, XY_Reg_X; \
movb SN(cpu65_current)+5, Y_Reg; \
movb SN(cpu65_current)+6, SP_Reg_L; \
movl SN(base_stackzp), _XAX; \