np2/i286x/i286xadr.cpp - view

File: [RetroPC.NET] / np2 / i286x / i286xadr.cpp
Revision 1.4: download - view: text, annotated - select for diffs
Tue Aug 3 19:11:37 2004 JST (21 years, 2 months ago) by yui
Branches: MAIN
CVS tags: VER_0_82_x64, VER_0_82, VER_0_81A, VER_0_81, VER_0_80, HEAD

fix i286x div (T.Yui)

#include "compiler.h" #include "cpucore.h" #include "i286x.h" #include "i286x.mcr" #include "i286xea.mcr" LABEL static void p2ea_nop(void) { __asm { ret } } LABEL static void p2ea_bx_si(void) { __asm { GET_NEXTPRE2 movzx ecx, I286_BX add cx, I286_SI add ecx, DS_FIX ret } } LABEL static void p2ea_bx_si_disp8(void) { __asm { mov eax, ebx shr eax, 16 cbw add ax, I286_BX add ax, I286_SI add eax, DS_FIX push eax GET_NEXTPRE3 pop ecx ret } } LABEL static void p2ea_bx_si_disp16(void) { __asm { shr ebx, 16 add bx, I286_BX add bx, I286_SI add ebx, DS_FIX push ebx GET_NEXTPRE4 pop ecx ret } } LABEL static void p2ea_bx_di(void) { __asm { GET_NEXTPRE2 movzx ecx, I286_BX add cx, I286_DI add ecx, DS_FIX ret } } LABEL static void p2ea_bx_di_disp8(void) { __asm { mov eax, ebx shr eax, 16 cbw add ax, I286_BX add ax, I286_DI add eax, DS_FIX push eax GET_NEXTPRE3 pop ecx ret } } LABEL static void p2ea_bx_di_disp16(void) { __asm { shr ebx, 16 add bx, I286_BX add bx, I286_DI add ebx, DS_FIX push ebx GET_NEXTPRE4 pop ecx ret } } LABEL static void p2ea_bp_si(void) { __asm { GET_NEXTPRE2 movzx ecx, I286_BP add cx, I286_SI add ecx, SS_FIX ret } } LABEL static void p2ea_bp_si_disp8(void) { __asm { mov eax, ebx shr eax, 16 cbw add ax, I286_BP add ax, I286_SI add eax, SS_FIX push eax GET_NEXTPRE3 pop ecx ret } } LABEL static void p2ea_bp_si_disp16(void) { __asm { shr ebx, 16 add bx, I286_BP add bx, I286_SI add ebx, SS_FIX push ebx GET_NEXTPRE4 pop ecx ret } } LABEL static void p2ea_bp_di(void) { __asm { GET_NEXTPRE2 movzx ecx, I286_BP add cx, I286_DI add ecx, SS_FIX ret } } LABEL static void p2ea_bp_di_disp8(void) { __asm { mov eax, ebx shr eax, 16 cbw add ax, I286_BP add ax, I286_DI add eax, SS_FIX push eax GET_NEXTPRE3 pop ecx ret } } LABEL static void p2ea_bp_di_disp16(void) { __asm { shr ebx, 16 add bx, I286_BP add bx, I286_DI add ebx, SS_FIX push ebx GET_NEXTPRE4 pop ecx ret } } LABEL static void p2ea_si(void) { __asm { GET_NEXTPRE2 movzx ecx, I286_SI add ecx, DS_FIX ret } } LABEL static void p2ea_si_disp8(void) { __asm { mov eax, ebx shr eax, 16 cbw add ax, I286_SI add eax, DS_FIX push eax GET_NEXTPRE3 pop ecx ret } } LABEL static void p2ea_si_disp16(void) { __asm { shr ebx, 16 add bx, I286_SI add ebx, DS_FIX push ebx GET_NEXTPRE4 pop ecx ret } } LABEL static void p2ea_di(void) { __asm { GET_NEXTPRE2 movzx ecx, I286_DI add ecx, DS_FIX ret } } LABEL static void p2ea_di_disp8(void) { __asm { mov eax, ebx shr eax, 16 cbw add ax, I286_DI add eax, DS_FIX push eax GET_NEXTPRE3 pop ecx ret } } LABEL static void p2ea_di_disp16(void) { __asm { shr ebx, 16 add bx, I286_DI add ebx, DS_FIX push ebx GET_NEXTPRE4 pop ecx ret } } LABEL static void p2ea_disp16(void) { __asm { shr ebx, 16 add ebx, DS_FIX push ebx GET_NEXTPRE4 pop ecx ret } } LABEL static void p2ea_bp_disp8(void) { __asm { mov eax, ebx shr eax, 16 cbw add ax, I286_BP add eax, SS_FIX push eax GET_NEXTPRE3 pop ecx ret } } LABEL static void p2ea_bp_disp16(void) { __asm { shr ebx, 16 add bx, I286_BP add ebx, SS_FIX push ebx GET_NEXTPRE4 pop ecx ret } } LABEL static void p2ea_bx(void) { __asm { GET_NEXTPRE2 movzx ecx, I286_BX add ecx, DS_FIX ret } } LABEL static void p2ea_bx_disp8(void) { __asm { mov eax, ebx shr eax, 16 cbw add ax, I286_BX add eax, DS_FIX push eax GET_NEXTPRE3 pop ecx ret } } LABEL static void p2ea_bx_disp16(void) { __asm { shr ebx, 16 add bx, I286_BX add ebx, DS_FIX push ebx GET_NEXTPRE4 pop ecx ret } } static const I286TBL peadst_tbl[] = { p2ea_bx_si, p2ea_bx_di, p2ea_bp_si, p2ea_bp_di, p2ea_si, p2ea_di, p2ea_disp16, p2ea_bx, p2ea_bx_si_disp8, p2ea_bx_di_disp8, p2ea_bp_si_disp8, p2ea_bp_di_disp8, p2ea_si_disp8, p2ea_di_disp8, p2ea_bp_disp8, p2ea_bx_disp8, p2ea_bx_si_disp16, p2ea_bx_di_disp16, p2ea_bp_si_disp16, p2ea_bp_di_disp16, p2ea_si_disp16, p2ea_di_disp16, p2ea_bp_disp16, p2ea_bx_disp16}; // -------------------------------------------------------------------------- LABEL static void p2lea_bx_si(void) { __asm { GET_NEXTPRE2 mov ax, I286_BX add ax, I286_SI ret } } LABEL static void p2lea_bx_si_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 cbw add ax, I286_BX add ax, I286_SI ret } } LABEL static void p2lea_bx_si_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 add ax, I286_BX add ax, I286_SI ret } } LABEL static void p2lea_bx_di(void) { __asm { GET_NEXTPRE2 mov ax, I286_BX add ax, I286_DI ret } } LABEL static void p2lea_bx_di_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 cbw add ax, I286_BX add ax, I286_DI ret } } LABEL static void p2lea_bx_di_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 add ax, I286_BX add ax, I286_DI ret } } LABEL static void p2lea_bp_si(void) { __asm { GET_NEXTPRE2 mov ax, I286_BP add ax, I286_SI ret } } LABEL static void p2lea_bp_si_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 cbw add ax, I286_BP add ax, I286_SI ret } } LABEL static void p2lea_bp_si_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 add ax, I286_BP add ax, I286_SI ret } } LABEL static void p2lea_bp_di(void) { __asm { GET_NEXTPRE2 mov ax, I286_BP add ax, I286_DI ret } } LABEL static void p2lea_bp_di_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 cbw add ax, I286_BP add ax, I286_DI ret } } LABEL static void p2lea_bp_di_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 add ax, I286_BP add ax, I286_DI ret } } LABEL static void p2lea_si(void) { __asm { GET_NEXTPRE2 mov ax, I286_SI ret } } LABEL static void p2lea_si_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 cbw add ax, I286_SI ret } } LABEL static void p2lea_si_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 add ax, I286_SI ret } } LABEL static void p2lea_di(void) { __asm { GET_NEXTPRE2 mov ax, I286_DI ret } } LABEL static void p2lea_di_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 cbw add ax, I286_DI ret } } LABEL static void p2lea_di_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 add ax, I286_DI ret } } LABEL static void p2lea_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 ret } } LABEL static void p2lea_bp_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 cbw add ax, I286_BP ret } } LABEL static void p2lea_bp_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 add ax, I286_BP ret } } LABEL static void p2lea_bx(void) { __asm { GET_NEXTPRE2 mov ax, I286_BX ret } } LABEL static void p2lea_bx_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 cbw add ax, I286_BX ret } } LABEL static void p2lea_bx_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 add ax, I286_BX ret } } static const I286TBL plea_tbl[] = { p2lea_bx_si, p2lea_bx_di, p2lea_bp_si, p2lea_bp_di, p2lea_si, p2lea_di, p2lea_disp16, p2lea_bx, p2lea_bx_si_disp8, p2lea_bx_di_disp8, p2lea_bp_si_disp8, p2lea_bp_di_disp8, p2lea_si_disp8, p2lea_di_disp8, p2lea_bp_disp8, p2lea_bx_disp8, p2lea_bx_si_disp16, p2lea_bx_di_disp16, p2lea_bp_si_disp16, p2lea_bp_di_disp16, p2lea_si_disp16, p2lea_di_disp16, p2lea_bp_disp16, p2lea_bx_disp16}; // -------------------------------------------------------------------------- LABEL static void a_bx_si(void) { __asm { GET_NEXTPRE2 movzx ebp, I286_BX add bp, I286_SI GET_PREFIX_DS ret } } LABEL static void a_bx_si_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 movzx ebp, I286_BX add bp, I286_SI cbw add bp, ax GET_PREFIX_DS ret } } LABEL static void a_bx_si_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 movzx ebp, I286_BX add bp, I286_SI add bp, ax GET_PREFIX_DS ret } } LABEL static void a_bx_di(void) { __asm { GET_NEXTPRE2 movzx ebp, I286_BX add bp, I286_DI GET_PREFIX_DS ret } } LABEL static void a_bx_di_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 movzx ebp, I286_BX add bp, I286_DI cbw add bp, ax GET_PREFIX_DS ret } } LABEL static void a_bx_di_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 movzx ebp, I286_BX add bp, I286_DI add bp, ax GET_PREFIX_DS ret } } LABEL static void a_bp_si(void) { __asm { GET_NEXTPRE2 movzx ebp, I286_BP add bp, I286_SI GET_PREFIX_SS ret } } LABEL static void a_bp_si_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 movzx ebp, I286_BP add bp, I286_SI cbw add bp, ax GET_PREFIX_SS ret } } LABEL static void a_bp_si_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 movzx ebp, I286_BP add bp, I286_SI add bp, ax GET_PREFIX_SS ret } } LABEL static void a_bp_di(void) { __asm { GET_NEXTPRE2 movzx ebp, I286_BP add bp, I286_DI GET_PREFIX_SS ret } } LABEL static void a_bp_di_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 movzx ebp, I286_BP add bp, I286_DI cbw add bp, ax GET_PREFIX_SS ret } } LABEL static void a_bp_di_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 movzx ebp, I286_BP add bp, I286_DI add bp, ax GET_PREFIX_SS ret } } LABEL static void a_si(void) { __asm { GET_NEXTPRE2 movzx ebp, I286_SI GET_PREFIX_DS ret } } LABEL static void a_si_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 movzx ebp, I286_SI cbw add bp, ax GET_PREFIX_DS ret } } LABEL static void a_si_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 movzx ebp, I286_SI add bp, ax GET_PREFIX_DS ret } } LABEL static void a_di(void) { __asm { GET_NEXTPRE2 movzx ebp, I286_DI GET_PREFIX_DS ret } } LABEL static void a_di_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 movzx ebp, I286_DI cbw add bp, ax GET_PREFIX_DS ret } } LABEL static void a_di_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 movzx ebp, I286_DI add bp, ax GET_PREFIX_DS ret } } LABEL static void a_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop ebp shr ebp, 16 GET_PREFIX_DS ret } } LABEL static void a_bp_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 movzx ebp, I286_BP cbw add bp, ax GET_PREFIX_SS ret } } LABEL static void a_bp_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 movzx ebp, I286_BP add bp, ax GET_PREFIX_SS ret } } LABEL static void a_bx(void) { __asm { GET_NEXTPRE2 movzx ebp, I286_BX GET_PREFIX_DS ret } } LABEL static void a_bx_disp8(void) { __asm { push ebx GET_NEXTPRE3 pop eax shr eax, 16 movzx ebp, I286_BX cbw add bp, ax GET_PREFIX_DS ret } } LABEL static void a_bx_disp16(void) { __asm { push ebx GET_NEXTPRE4 pop eax shr eax, 16 movzx ebp, I286_BX add bp, ax GET_PREFIX_DS ret } } static const I286TBL pgetea_tbl[] = { a_bx_si, a_bx_di, a_bp_si, a_bp_di, a_si, a_di, a_disp16, a_bx, a_bx_si_disp8, a_bx_di_disp8, a_bp_si_disp8, a_bp_di_disp8, a_si_disp8, a_di_disp8, a_bp_disp8, a_bx_disp8, a_bx_si_disp16, a_bx_di_disp16, a_bp_si_disp16, a_bp_di_disp16, a_si_disp16, a_di_disp16, a_bp_disp16, a_bx_disp16}; // -------------------------------------------------------------------------- I286TBL p_ea_dst[256]; I286TBL p_lea[256]; I286TBL p_get_ea[256]; void i286xadr_init(void) { int i; int j; for (i=0; i<0x100; i++) { if (i < 0xc0) { j = ((i >> 3) & 0x18) | (i & 7); p_ea_dst[i] = peadst_tbl[j]; p_lea[i] = plea_tbl[j]; p_get_ea[i] = pgetea_tbl[j]; } else { // ��鎖�͂Ȃ��c p_ea_dst[i] = p2ea_nop; p_lea[i] = p2ea_nop; p_get_ea[i] = p2ea_nop; } } }