--- np2/bios/bios.c 2004/02/20 16:20:41 1.44 +++ np2/bios/bios.c 2004/02/26 09:08:29 1.47 @@ -282,6 +282,42 @@ static void bios_boot(void) { } } +// テスト(こんなんじゃだめぽ +static void bios0x1f(void) { + + BYTE work[256]; + UINT32 src; + UINT32 dst; + UINT leng; + UINT l; + + if (CPU_AH == 0x90) { + i286_memstr_read(CPU_ES, CPU_BX + 0x10, work, 0x10); + src = work[2] + (work[3] << 8) + (work[4] << 16) + CPU_SI; + dst = work[10] + (work[11] << 8) + (work[12] << 16) + CPU_DI; + leng = LOW16(CPU_CX - 1) + 1; + TRACEOUT(("protect bios: memmove")); + TRACEOUT(("%.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x", + work[0], work[1], work[2], work[3], + work[4], work[5], work[6], work[7])); + TRACEOUT(("%.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x", + work[8], work[9], work[10], work[11], + work[12], work[13], work[14], work[15])); + TRACEOUT(("SI=%.4x DI=%.4x CX=%.4x", CPU_SI, CPU_DI, CPU_CX)); + TRACEOUT(("src:%08x dst:%08x leng:%08x", src, dst, leng)); + do { + l = min(leng, 256); + i286_memx_read(src, work, l); + i286_memx_write(dst, work, l); + src += l; + dst += l; + leng -= l; + } while(leng); + } + else { + TRACEOUT(("unsupport protect bios AH=%.2x", CPU_AH)); + } +} UINT MEMCALL biosfunc(UINT32 adrs) { @@ -363,7 +399,7 @@ UINT MEMCALL biosfunc(UINT32 adrs) { case BIOS_BASE + BIOSOFST_1f: CPU_REMCLOCK -= 200; - TRACEOUT(("unsupport protect bios")); + bios0x1f(); return(1); case BIOS_BASE + BIOSOFST_WAIT: @@ -439,6 +475,7 @@ UINT MEMCALL biosfunc(UINT32 adrs) { if ((adrs >= 0xf9a00) && (adrs < 0x0f9a44)) { if (!(adrs & 3)) { + CPU_REMCLOCK -= 500; bios_lio((REG8)((adrs - 0xf9a00) >> 2)); } else {