--- np2/i286a/i286a.inc	2003/12/15 20:58:12	1.1
+++ np2/i286a/i286a.inc	2004/07/17 20:43:02	1.20
@@ -1,64 +1,203 @@
 
-C_FLAG			equ		&0001
-P_FLAG			equ		&0004
-A_FLAG			equ		&0010
-Z_FLAG			equ		&0040
-S_FLAG			equ		&0080
-T_FLAG			equ		&0100
-I_FLAG			equ		&0200
-D_FLAG			equ		&0400
-O_FLAG			equ		&0800
-
-CPU_REG				equ		0 - 112
-CPU_REMAINCLOCK		equ		28 - 112
-; cpu_baseclock		equ		32 - 112
-; cpu_clock			equ		36 - 112
-; cpu_adrsmask		equ		40 - 112
-CPU_ES_BASE			equ		44 - 112
-CPU_CS_BASE			equ		48 - 112
-CPU_SS_BASE			equ		52 - 112
-CPU_DS_BASE			equ		56 - 112
-CPU_SS_FIX			equ		60 - 112
-CPU_DS_FIX			equ		64 - 112
-; cpu_prefix		equ		68 - 112
-; cpu_trap			equ		70 - 112
-; cpu_type			equ		71 - 112
-; cpu_pf_semaphore	equ		72 - 112
-; cpu_repbak		equ		76 - 112
-; cpu_inport		equ		80 - 112
-; cpu_ovflag		equ		84 - 112
-CPU_GDTR			equ		88 - 112
-CPU_IDTR			equ		94 - 112
-; cpu_MSW			equ		100 - 112
-; cpu_resetreq		equ		102 - 112
-; cpu_itfbank		equ		103 - 112
-; cpu_extmem		equ		104 - 112
-; cpu_extmemsize	equ		108 - 112
-; cpu_mainmem		equ		112 - 112
-
-CPU_AL				equ		0 - 112
-CPU_AH				equ		1 - 112
-CPU_CL				equ		2 - 112
-CPU_CH				equ		3 - 112
-CPU_DL				equ		4 - 112
-CPU_DH				equ		5 - 112
-CPU_BL				equ		6 - 112
-CPU_BH				equ		7 - 112
-
-CPU_AX				equ		0 - 112
-CPU_CX				equ		2 - 112
-CPU_DX				equ		4 - 112
-CPU_BX				equ		6 - 112
-CPU_SP				equ		8 - 112
-CPU_BP				equ		10 - 112
-CPU_SI				equ		12 - 112
-CPU_DI				equ		14 - 112
-CPU_ES				equ		16 - 112
-CPU_CS				equ		18 - 112
-CPU_SS				equ		20 - 112
-CPU_DS				equ		22 - 112
-CPU_FLAG			equ		24 - 112
-CPU_IP				equ		26 - 112
+I286_MEMREADMAX		equ		&a4000
+I286_MEMWRITEMAX	equ		&a0000
+
+C_FLAG				equ		&0001
+P_FLAG				equ		&0004
+A_FLAG				equ		&0010
+Z_FLAG				equ		&0040
+S_FLAG				equ		&0080
+T_FLAG				equ		&0100
+I_FLAG				equ		&0200
+D_FLAG				equ		&0400
+O_FLAG				equ		&0800
+
+MSW_PE				equ		&0001
+MSW_MP				equ		&0002
+MSW_EM				equ		&0004
+MSW_TS				equ		&0008
+
+CPU_SIZE			equ		(104 + 32)
+CPU_STAT			equ		(0 - CPU_SIZE)
+CPU_EXT				equ		(104 - CPU_SIZE)
+
+CPU_REG				equ		CPU_STAT + 0
+CPU_SEG				equ		CPU_STAT + 16
+CPU_ES_BASE			equ		CPU_STAT + 28
+CPU_CS_BASE			equ		CPU_STAT + 32
+CPU_SS_BASE			equ		CPU_STAT + 36
+CPU_DS_BASE			equ		CPU_STAT + 40
+CPU_SS_FIX			equ		CPU_STAT + 44
+CPU_DS_FIX			equ		CPU_STAT + 48
+CPU_ADRSMASK		equ		CPU_STAT + 52
+CPU_PREFIX			equ		CPU_STAT + 56
+; cpu_resetreq		equ		CPU_STAT + 57
+CPU_GDTR			equ		CPU_STAT + 58
+CPU_MSW				equ		CPU_STAT + 64
+CPU_IDTR			equ		CPU_STAT + 66
+CPU_LDTR			equ		CPU_STAT + 72
+CPU_LDTRC			equ		CPU_STAT + 74
+CPU_TR				equ		CPU_STAT + 80
+CPU_TRC				equ		CPU_STAT + 82
+; cpu_type			equ		CPU_STAT + 88
+CPU_ITFBANK			equ		CPU_STAT + 89
+; cpu_ram_d0		equ		CPU_STAT + 90
+CPU_REMAINCLOCK		equ		CPU_STAT + 92
+CPU_BASECLOCK		equ		CPU_STAT + 96
+; cpu_clock			equ		CPU_STAT + 100
+; cpu_stat_size		equ		104
+
+CPU_AL				equ		CPU_STAT + 0
+CPU_AH				equ		CPU_STAT + 1
+CPU_CL				equ		CPU_STAT + 2
+CPU_CH				equ		CPU_STAT + 3
+CPU_DL				equ		CPU_STAT + 4
+CPU_DH				equ		CPU_STAT + 5
+CPU_BL				equ		CPU_STAT + 6
+CPU_BH				equ		CPU_STAT + 7
+
+CPU_AX				equ		CPU_STAT + 0
+CPU_CX				equ		CPU_STAT + 2
+CPU_DX				equ		CPU_STAT + 4
+CPU_BX				equ		CPU_STAT + 6
+CPU_SP				equ		CPU_STAT + 8
+CPU_BP				equ		CPU_STAT + 10
+CPU_SI				equ		CPU_STAT + 12
+CPU_DI				equ		CPU_STAT + 14
+CPU_ES				equ		CPU_STAT + 16
+CPU_CS				equ		CPU_STAT + 18
+CPU_SS				equ		CPU_STAT + 20
+CPU_DS				equ		CPU_STAT + 22
+CPU_FLAG			equ		CPU_STAT + 24
+CPU_IP				equ		CPU_STAT + 26
+
+
+CPU_EXTMEM			equ		CPU_EXT + 0
+CPU_EXTMEMSIZE		equ		CPU_EXT + 4
+CPU_EMS				equ		CPU_EXT + 8
+CPU_INPUT			equ		CPU_EXT + 24
+MEMWAIT_TRAM		equ		CPU_EXT + 28
+MEMWAIT_VRAM		equ		CPU_EXT + 29
+MEMWAIT_GRCG		equ		CPU_EXT + 30
+; cpu_ext_size		equ		32
+
+MAX_PREFIX			equ		8
+
+
+
+	MACRO
+$label	CPUDBGS
+$label	;;	str		r7, [r9, #CPU_REMAINCLOCK]
+	MEND
+
+	MACRO
+$label	CPUDBGL
+$label	;;	ldr		r7, [r9, #CPU_REMAINCLOCK]
+	MEND
+
+
+	MACRO
+$label	CPUSVC
+$label		str		r7, [r9, #CPU_REMAINCLOCK]
+	MEND
+
+	MACRO
+$label	CPULDC
+$label		ldr		r7, [r9, #CPU_REMAINCLOCK]
+	MEND
+
+	MACRO
+$label	CPUSVF
+$label		str		r8, [r9, #CPU_FLAG]
+	MEND
+
+	MACRO
+$label	CPULDF
+$label		ldr		r8, [r9, #CPU_FLAG]
+	MEND
+
+	MACRO
+$label	CPUSV
+$label	CPUSVF
+		CPUSVC
+	MEND
+
+	MACRO
+$label	CPULD
+$label	CPULDF
+		CPULDC
+	MEND
+
+
+	MACRO
+$label	CPUWORK	$clock
+$label		CPUDBGL
+			sub		r7, r7, $clock
+			CPUDBGS
+	MEND
+
+	MACRO
+$label	CPUWKS	$clock
+$label		CPUDBGL
+			subs	r7, r7, $clock
+			CPUDBGS
+	MEND
+
+	MACRO
+$label	CREMSET	$clock
+$label		mov		r7, $clock
+			CPUDBGS
+	MEND
+
+	MACRO
+$label	NEXT_OPCODE
+$label		CPUDBGL
+			cmp		r7, #1
+			movge	pc, r11
+			ldr		r0, [r9, #CPU_BASECLOCK]
+			rsb		r1, r7, #1
+			mov		r7, #1
+			add		r0, r0, r1
+			str		r0, [r9, #CPU_BASECLOCK]
+			CPUDBGS
+			mov		pc, r11
+	MEND
+
+	MACRO
+$label	REMAIN_ADJUST	$clk
+$label		CPUDBGL
+			cmp		r7, $clk
+			moveq	pc, r11
+			ldr		r0, [r9, #CPU_BASECLOCK]
+			rsb		r1, r7, $clk
+			mov		r7, $clk
+			add		r0, r0, r1
+			str		r0, [r9, #CPU_BASECLOCK]
+			CPUDBGS
+			mov		pc, r11
+	MEND
+
+	MACRO
+$label	I286IRQCHECKTERM
+$label		CPUDBGL
+			cmp		r7, #0
+			movle	pc, r11
+			ldr		r0, [r9, #CPU_BASECLOCK]
+			mov		r1, r7
+			mov		r7, #0
+			sub		r0, r0, r1
+			str		r0, [r9, #CPU_BASECLOCK]
+			CPUDBGS
+			mov		pc, r11
+	MEND
+
+	MACRO
+$label	ACCWORD	$r, $l
+$label		tst		$r, #1
+			bne		$l
+			cmp		$r, #I286_MEMWRITEMAX
+			bcs		$l
+	MEND
 
 	END