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Some 8-bit register reference macro changes to produce more effective code

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(SF patch #532 by Yeong-uk Jo).
This commit is contained in:
Volker Ruppert 2016-03-17 17:14:27 +00:00
parent cbe50a9539
commit e7587d25a4
1 changed files with 13 additions and 13 deletions
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26
bochs/bios/rombios.c
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@ -971,26 +971,26 @@ static char bios_cvs_version_string[] = "$Revision$ $Date$";
# define BX_DEBUG_INT74(a...)
#endif
#define SET_AL(val8) AX = ((AX & 0xff00) | (val8))
#define SET_BL(val8) BX = ((BX & 0xff00) | (val8))
#define SET_CL(val8) CX = ((CX & 0xff00) | (val8))
#define SET_DL(val8) DX = ((DX & 0xff00) | (val8))
#define SET_AH(val8) AX = ((AX & 0x00ff) | ((val8) << 8))
#define SET_BH(val8) BX = ((BX & 0x00ff) | ((val8) << 8))
#define SET_CH(val8) CX = ((CX & 0x00ff) | ((val8) << 8))
#define SET_DH(val8) DX = ((DX & 0x00ff) | ((val8) << 8))
#define SET_AL(val8) *((Bit8u *)&AX) = (val8)
#define SET_BL(val8) *((Bit8u *)&BX) = (val8)
#define SET_CL(val8) *((Bit8u *)&CX) = (val8)
#define SET_DL(val8) *((Bit8u *)&DX) = (val8)
#define SET_AH(val8) *(((Bit8u *)&AX)+1) = (val8)
#define SET_BH(val8) *(((Bit8u *)&BX)+1) = (val8)
#define SET_CH(val8) *(((Bit8u *)&CX)+1) = (val8)
#define SET_DH(val8) *(((Bit8u *)&DX)+1) = (val8)
#define GET_AL() ( AX & 0x00ff )
#define GET_BL() ( BX & 0x00ff )
#define GET_CL() ( CX & 0x00ff )
#define GET_DL() ( DX & 0x00ff )
#define GET_AH() ( AX >> 8 )
#define GET_BH() ( BX >> 8 )
#define GET_CH() ( CX >> 8 )
#define GET_DH() ( DX >> 8 )
#define GET_AH() *(((Bit8u *)&AX)+1)
#define GET_BH() *(((Bit8u *)&BX)+1)
#define GET_CH() *(((Bit8u *)&CX)+1)
#define GET_DH() *(((Bit8u *)&DX)+1)
#define GET_ELDL() ( ELDX & 0x00ff )
#define GET_ELDH() ( ELDX >> 8 )
#define GET_ELDH() *(((Bit8u *)&ELDX)+1)
#define SET_CF() FLAGS |= 0x0001
#define CLEAR_CF() FLAGS &= 0xfffe