--- np2/i286c/i286c_mn.c 2003/11/29 03:38:26 1.15 +++ np2/i286c/i286c_mn.c 2003/12/11 21:57:38 1.23 @@ -1,5 +1,5 @@ #include "compiler.h" -#include "i286.h" +#include "cpucore.h" #include "i286c.h" #include "memory.h" #include "pccore.h" @@ -10,6 +10,7 @@ #define MAX_PREFIX 8 + #define NEXT_OPCODE \ if (I286_REMCLOCK < 1) { \ I286_BASECLOCK += (1 - I286_REMCLOCK); \ @@ -622,13 +623,13 @@ I286FN _segprefix_es(void) { // 26: SS_FIX = ES_BASE; DS_FIX = ES_BASE; - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op[op](); REMOVE_PREFIX - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -768,13 +769,13 @@ I286FN _segprefix_cs(void) { // 2e: SS_FIX = CS_BASE; DS_FIX = CS_BASE; - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op[op](); REMOVE_PREFIX - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -909,13 +910,13 @@ I286FN _segprefix_ss(void) { // 36: SS_FIX = SS_BASE; DS_FIX = SS_BASE; - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op[op](); REMOVE_PREFIX - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -933,6 +934,7 @@ I286FN _aaa(void) { // 37: aaa else { I286_FLAGL &= ~(A_FLAG | C_FLAG); } + I286_AL &= 0x0f; } I286FN _cmp_ea_r8(void) { // 38: cmp EA, REG8 @@ -1025,13 +1027,13 @@ I286FN _segprefix_ds(void) { // 3e: SS_FIX = DS_BASE; DS_FIX = DS_BASE; - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op[op](); REMOVE_PREFIX - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -1085,9 +1087,74 @@ I286FN _pop_bp(void) REGPOP(I286_BP, 5) I286FN _pop_si(void) REGPOP(I286_SI, 5) // 5E: pop si I286FN _pop_di(void) REGPOP(I286_DI, 5) // 5F: pop di +#if (defined(ARM) || defined(X11)) && defined(BYTESEX_LITTLE) + I286FN _pusha(void) { // 60: pusha - UINT16 tmp; + REG16 tmp; + UINT32 addr; + + I286_WORKCLOCK(17); + tmp = I286_SP; + addr = tmp + SS_BASE; + if ((tmp < 16) || (INHIBIT_WORDP(addr))) { + REGPUSH0(I286_AX) + REGPUSH0(I286_CX) + REGPUSH0(I286_DX) + REGPUSH0(I286_BX) + REGPUSH0(tmp) + REGPUSH0(I286_BP) + REGPUSH0(I286_SI) + REGPUSH0(I286_DI) + } + else { + *(UINT16 *)(mem + addr - 2) = I286_AX; + *(UINT16 *)(mem + addr - 4) = I286_CX; + *(UINT16 *)(mem + addr - 6) = I286_DX; + *(UINT16 *)(mem + addr - 8) = I286_BX; + *(UINT16 *)(mem + addr - 10) = tmp; + *(UINT16 *)(mem + addr - 12) = I286_BP; + *(UINT16 *)(mem + addr - 14) = I286_SI; + *(UINT16 *)(mem + addr - 16) = I286_DI; + I286_SP -= 16; + } +} + +I286FN _popa(void) { // 61: popa + + UINT tmp; + UINT32 addr; + + I286_WORKCLOCK(19); + tmp = I286_SP + 16; + addr = tmp + SS_BASE; + if ((tmp >= 0x10000) || (INHIBIT_WORDP(addr))) { + REGPOP0(I286_DI); + REGPOP0(I286_SI); + REGPOP0(I286_BP); + I286_SP += 2; + REGPOP0(I286_BX); + REGPOP0(I286_DX); + REGPOP0(I286_CX); + REGPOP0(I286_AX); + } + else { + I286_DI = *(UINT16 *)(mem + addr - 16); + I286_SI = *(UINT16 *)(mem + addr - 14); + I286_BP = *(UINT16 *)(mem + addr - 12); + I286_BX = *(UINT16 *)(mem + addr - 8); + I286_DX = *(UINT16 *)(mem + addr - 6); + I286_CX = *(UINT16 *)(mem + addr - 4); + I286_AX = *(UINT16 *)(mem + addr - 2); + I286_SP = tmp; + } +} + +#else + +I286FN _pusha(void) { // 60: pusha + + REG16 tmp; tmp = I286_SP; REGPUSH0(I286_AX) @@ -1114,6 +1181,8 @@ I286FN _popa(void) { // 61: popa I286_WORKCLOCK(19); } +#endif + I286FN _bound(void) { // 62: bound UINT vect = 0; @@ -1743,12 +1812,20 @@ I286FN _pushf(void) { // 9C: pushf I286FN _popf(void) { // 9D: popf + UINT flag; + + REGPOP0(flag) + I286_OV = flag & O_FLAG; + I286_FLAG = flag & (0xfff ^ O_FLAG); + I286_TRAP = ((flag & 0x300) == 0x300); I286_WORKCLOCK(5); - REGPOP0(I286_FLAG) - I286_OV = I286_FLAG & O_FLAG; - I286_FLAG &= (0xfff ^ O_FLAG); - I286_TRAP = ((I286_FLAG & 0x300) == 0x300); +#if defined(INTR_FAST) + if ((I286_TRAP) || ((flag & I_FLAG) && (PICEXISTINTR))) { + I286IRQCHECKTERM + } +#else I286IRQCHECKTERM +#endif } I286FN _sahf(void) { // 9E: sahf @@ -2193,16 +2270,24 @@ I286FN _into(void) { // CE: into I286FN _iret(void) { // CF: iret + UINT flag; + extirq_pop(); - I286_WORKCLOCK(31); REGPOP0(I286_IP) REGPOP0(I286_CS) - REGPOP0(I286_FLAG) - I286_OV = I286_FLAG & O_FLAG; - I286_FLAG &= 0x7ff; - I286_TRAP = ((I286_FLAG & 0x300) == 0x300); + REGPOP0(flag) + I286_OV = flag & O_FLAG; + I286_FLAG = flag & (0xfff ^ O_FLAG); + I286_TRAP = ((flag & 0x300) == 0x300); CS_BASE = I286_CS << 4; + I286_WORKCLOCK(31); +#if defined(INTR_FAST) + if ((I286_TRAP) || ((flag & I_FLAG) && (PICEXISTINTR))) { + I286IRQCHECKTERM + } +#else I286IRQCHECKTERM +#endif } I286FN _shift_ea8_1(void) { // D0: shift EA8, 1 @@ -2256,7 +2341,7 @@ I286FN _shift_ea8_cl(void) { // D2: sh BYTE *out; UINT op; UINT32 madr; - BYTE cl; + REG8 cl; GET_PCBYTE(op) if (op >= 0xc0) { @@ -2284,7 +2369,7 @@ I286FN _shift_ea16_cl(void) { // D3: s UINT16 *out; UINT op; UINT32 madr; - BYTE cl; + REG8 cl; GET_PCBYTE(op) if (op >= 0xc0) { @@ -2390,9 +2475,9 @@ I286FN _in_al_data8(void) { // E4: i I286_WORKCLOCK(5); GET_PCBYTE(port) - i286reg.inport = CS_BASE + I286_IP; + I286_INPADRS = CS_BASE + I286_IP; I286_AL = iocore_inp8(port); - i286reg.inport = 0; + I286_INPADRS = 0; } I286FN _in_ax_data8(void) { // E5: in ax, DATA8 @@ -2492,12 +2577,12 @@ I286FN _lock(void) { // F0: lock I286FN _repne(void) { // F2: repne - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op_repne[op](); - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -2506,12 +2591,12 @@ I286FN _repne(void) { // F2: repne I286FN _repe(void) { // F3: repe - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op_repe[op](); - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -2568,10 +2653,24 @@ I286FN _cli(void) { // FA: cli I286FN _sti(void) { // FB: sti I286_WORKCLOCK(2); +#if defined(INTR_FAST) + if (I286_FLAG & I_FLAG) { + NEXT_OPCODE; + return; // 更新の意味なし + } +#endif I286_FLAG |= I_FLAG; - I286_TRAP = (I286_FLAG & T_FLAG) >> 8; // ToDo - + I286_TRAP = (I286_FLAG & T_FLAG) >> 8; +#if defined(INTR_FAST) + if ((I286_TRAP) || (PICEXISTINTR)) { + REMAIN_ADJUST(1) + } + else { + NEXT_OPCODE; + } +#else REMAIN_ADJUST(1) +#endif } I286FN _cld(void) { // FC: cld @@ -2886,13 +2985,13 @@ I286FN _repe_segprefix_es(void) { DS_FIX = ES_BASE; SS_FIX = ES_BASE; - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op_repe[op](); REMOVE_PREFIX - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -2903,13 +3002,13 @@ I286FN _repe_segprefix_cs(void) { DS_FIX = CS_BASE; SS_FIX = CS_BASE; - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op_repe[op](); REMOVE_PREFIX - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -2920,13 +3019,13 @@ I286FN _repe_segprefix_ss(void) { DS_FIX = SS_BASE; SS_FIX = SS_BASE; - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op_repe[op](); REMOVE_PREFIX - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -2937,13 +3036,13 @@ I286FN _repe_segprefix_ds(void) { DS_FIX = DS_BASE; SS_FIX = DS_BASE; - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op_repe[op](); REMOVE_PREFIX - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -3231,13 +3330,13 @@ I286FN _repne_segprefix_es(void) { DS_FIX = ES_BASE; SS_FIX = ES_BASE; - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op_repne[op](); REMOVE_PREFIX - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -3248,13 +3347,13 @@ I286FN _repne_segprefix_cs(void) { DS_FIX = CS_BASE; SS_FIX = CS_BASE; - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op_repne[op](); REMOVE_PREFIX - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -3265,13 +3364,13 @@ I286FN _repne_segprefix_ss(void) { DS_FIX = SS_BASE; SS_FIX = SS_BASE; - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op_repne[op](); REMOVE_PREFIX - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP); @@ -3282,13 +3381,13 @@ I286FN _repne_segprefix_ds(void) { DS_FIX = DS_BASE; SS_FIX = DS_BASE; - i286reg.prefix++; - if (i286reg.prefix < MAX_PREFIX) { + I286_PREFIX++; + if (I286_PREFIX < MAX_PREFIX) { UINT op; GET_PCBYTE(op); i286op_repne[op](); REMOVE_PREFIX - i286reg.prefix = 0; + I286_PREFIX = 0; } else { INT_NUM(6, I286_IP);