--- np2/i286a/i286a_fe.s	2003/12/17 03:46:27	1.1
+++ np2/i286a/i286a_fe.s	2003/12/19 00:25:49	1.6
@@ -1,133 +1,142 @@
 
 	INCLUDE		i286a.inc
+	INCLUDE		i286aea.inc
 	INCLUDE		i286aalu.inc
+	INCLUDE		i286aop.inc
 
-	IMPORT		_szpcflag8
 	IMPORT		i286a_ea
-	IMPORT		i286_memoryread
-	IMPORT		i286_memoryread_w
-	IMPORT		i286_memorywrite
-	IMPORT		i286_memorywrite_w
+	IMPORT		i286a_a
+	IMPORT		i286a_memoryread
+	IMPORT		i286a_memoryread_w
+	IMPORT		i286a_memorywrite
+	IMPORT		i286a_memorywrite_w
+	IMPORT		i286a_localint
 
-	EXPORT		i286a_0xfe
-	EXPORT		i286a_0xff
+	EXPORT		i286aopfe
+	EXPORT		i286aopff
 
 	AREA	.text, CODE, READONLY
 
-
-i286a_0xfe		GETPC8
+i286aopfe		GETPC8
 				tst		r0, #(1 << 3)
 				bne		decea8
-
-				cmp		r0, #&c0
-				bcc		inc8m
-				CPUWORK	#2
-				R8SRC	r0, r5
-				ldrb	r4, [r5, #CPU_REG]
-				INC8	r4
-				strb	r1, [r5, #CPU_REG]
-				mov		pc, r11
-inc8m			CPUWORK	#7
-				bl		i286a_ea
-				cmp		r0, #I286_MEMWRITEMAX
-				bcs		inc8e
-				ldrb	r4, [r9, r0]
-				INC8	r4
-				strb	r1, [r9, r0]
-				mov		pc, r11
-inc8e			mov		r5, r0
-				bl		i286_memoryread
-				INC8	r0
-				mov		r0, r5
-				mov		lr, r11
-				b		i286_memorywrite
-
-decea8			cmp		r0, #&c0
-				bcc		dec8m
-				CPUWORK	#2
-				R8SRC	r0, r5
-				ldrb	r4, [r5, #CPU_REG]
-				DEC8	r4
-				strb	r1, [r5, #CPU_REG]
-				mov		pc, r11
-dec8m			CPUWORK	#7
-				bl		i286a_ea
-				cmp		r0, #I286_MEMWRITEMAX
-				bcs		dec8e
-				ldrb	r4, [r9, r0]
-				DEC8	r4
-				strb	r1, [r9, r0]
-				mov		pc, r11
-dec8e			mov		r5, r0
-				bl		i286_memoryread
-				DEC8	r0
-				mov		r0, r5
-				mov		lr, r11
-				b		i286_memorywrite
+incea8			OP_EA8	INC8, #2, #7
+decea8			OP_EA8	DEC8, #2, #7
 
 
 ; ----
 
-i286a_0xff		GETPC8
+i286aopff		GETPC8
 				and		r12, r0, #(7 << 3)
 				adr		r1, opefftbl
 				ldr		pc, [r1, r12 lsr #1]
-
 opefftbl		dcd		incea16
 				dcd		decea16
-
+				dcd		callea16
+				dcd		callfarea16
+				dcd		jmpea16
+				dcd		jmpfarea16
 				dcd		pushea16
 				dcd		popea16
 
-incea16			cmp		r0, #&c0
-				bcc		inc16m
-				CPUWORK	#2
+incea16			OP_EA16	INC16, #2, #7
+decea16			OP_EA16	DEC16, #2, #7
+
+callea16		cmp		r0, #&c0
+				bcc		call16m
+				CPUWORK	#7
 				R16SRC	r0, r5
-				ldrh	r4, [r5, #CPU_REG]
-				INC16	r4
-				strh	r1, [r5, #CPU_REG]
-				mov		pc, r11
-inc16m			CPUWORK	#7
-				bl		i286a_ea
-				tst		r0, #1
-				bne		inc16e
-				cmp		r0, #I286_MEMWRITEMAX
-				bcs		inc16e
-				ldrh	r4, [r9, r0]
-				INC16	r4
-				strh	r1, [r9, r0]
-				mov		pc, r11
-inc16e			mov		r5, r0
-				bl		i286_memoryread_w
-				INC16	r0
-				mov		r0, r5
+				ldrh	r0, [r5, #CPU_REG]
+				mov		r1, r8 lsr #16
+				sub		r8, r8, r1 lsl #16
+				orr		r8, r8, r0 lsl #16
+				b		call16e
+call16m			CPUWORK	#11
+				bl		i286a_ea
+				bl		i286a_memoryread_w
+				mov		r1, r8 lsr #16
+				sub		r8, r8, r1 lsl #16
+				orr		r8, r8, r0 lsl #16
+call16e			ldrh	r2, [r9, #CPU_SP]
+				ldr		r3, [r9, #CPU_SS_BASE]
+				subs	r2, r2, #2
+				addcc	r2, r2, #&10000
+				strh	r2, [r9, #CPU_SP]
+				add		r0, r2, r3
 				mov		lr, r11
-				b		i286_memorywrite_w
+				b		i286a_memorywrite_w
 
-decea16			cmp		r0, #&c0
-				bcc		dec16m
-				CPUWORK	#2
-				R16SRC	r0, r5
-				ldrh	r4, [r5, #CPU_REG]
-				DEC16	r4
-				strh	r1, [r5, #CPU_REG]
-				mov		pc, r11
-dec16m			CPUWORK	#7
-				bl		i286a_ea
-				tst		r0, #1
-				bne		dec16e
-				cmp		r0, #I286_MEMWRITEMAX
-				bcs		dec16e
-				ldrh	r4, [r9, r0]
-				DEC16	r4
-				strh	r1, [r9, r0]
-				mov		pc, r11
-dec16e			mov		r5, r0
-				bl		i286_memoryread_w
-				DEC16	r0
-				mov		r0, r5
+callfarea16		cmp		r0, #&c0
+				bcs		callfar16r
+				CPUWORK	#16
+				bl		i286a_a
+				add		r4, r0, #2
+				add		r0, r0, r6
+				bic		r4, r4, #(1 << 16)
+				bl		i286a_memoryread_w			; ip
+				mov		r5, r8 lsr #16
+				add		r8, r8, r0 lsl #16
+				sub		r8, r8, r5 lsl #16
+				add		r0, r4, r6
+				bl		i286a_memoryread_w			; cs
+				mov		r2, r0 lsl #4
+				ldrh	r1, [r9, #CPU_CS]
+				strh	r0, [r9, #CPU_CS]
+				ldrh	r4, [r9, #CPU_SP]
+				ldr		r6, [r9, #CPU_SS_BASE]
+				str		r2, [r9, #CPU_CS_BASE]
+				subs	r4, r4, #2
+				addcc	r4, r4, #&10000
+				add		r0, r4, r6
+				bl		i286a_memorywrite_w			; cs
+				subs	r4, r4, #2
+				addcc	r4, r4, #&10000
+				mov		r1, r5
+				strh	r4, [r9, #CPU_SP]
+				add		r0, r4, r6
 				mov		lr, r11
-				b		i286_memorywrite_w
+				b		i286a_memorywrite_w			; ip
+callfar16r		mov		r6, #6
+				sub		r8, r8, #(2 << 16)
+				b		i286a_localint
+
+jmpea16			cmp		r0, #&c0
+				bcc		jmp16m
+				CPUWORK	#7
+				R16SRC	r0, r5
+				ldrh	r0, [r5, #CPU_REG]
+				mov		r8, r8 lsl #16
+				mov		r8, r8 lsr #16
+				orr		r8, r8, r0 lsl #16
+				mov		pc, r11
+jmp16m			CPUWORK	#11
+				bl		i286a_ea
+				bl		i286a_memoryread_w
+				mov		r8, r8 lsl #16
+				mov		r8, r8 lsr #16
+				orr		r8, r8, r0 lsl #16
+				mov		pc, r11
+
+jmpfarea16		cmp		r0, #&c0
+				bcs		jmpfar16r
+				CPUWORK	#11
+				bl		i286a_a
+				add		r4, r0, #2
+				add		r0, r0, r6
+				bic		r4, r4, #(1 << 16)
+				bl		i286a_memoryread_w
+				mov		r8, r8 lsl #16
+				mov		r8, r8 lsr #16
+				orr		r8, r8, r0 lsl #16
+				add		r0, r4, r6
+				bl		i286a_memoryread_w
+				mov		r1, r0 lsl #4
+				strh	r0, [r9, #CPU_CS]
+				str		r1, [r9, #CPU_CS_BASE]
+				mov		pc, r11
+jmpfar16r		mov		r6, #6
+				sub		r8, r8, #(2 << 16)
+				b		i286a_localint
 
 pushea16		cmp		r0, #&c0
 				bcc		push16m
@@ -137,7 +146,7 @@ pushea16		cmp		r0, #&c0
 				b		push16e
 push16m			CPUWORK	#5
 				bl		i286a_ea
-				bl		i286_memoryread_w
+				bl		i286a_memoryread_w
 				mov		r1, r0
 push16e			ldrh	r2, [r9, #CPU_SP]
 				ldr		r3, [r9, #CPU_SS_BASE]
@@ -146,7 +155,7 @@ push16e			ldrh	r2, [r9, #CPU_SP]
 				strh	r2, [r9, #CPU_SP]
 				add		r0, r2, r3
 				mov		lr, r11
-				b		i286_memorywrite_w
+				b		i286a_memorywrite_w
 
 popea16			CPUWORK	#5
 				ldrh	r2, [r9, #CPU_SP]
@@ -156,18 +165,18 @@ popea16			CPUWORK	#5
 				add		r2, r2, #2
 				bic		r2, r2, #&10000
 				strh	r2, [r9, #CPU_SP]
-				bl		i286_memoryread_w
+				bl		i286a_memoryread_w
 				cmp		r6, #&c0
 				bcc		pop16m
 				R16SRC	r6, r1
-				ldrh	r0, [r1, #CPU_REG]
+				strh	r0, [r1, #CPU_REG]
 				mov		pc, r11
 pop16m			mov		r5, r0
 				mov		r0, r6
 				bl		i286a_ea
 				mov		r1, r5
 				mov		lr, r11
-				b		i286_memoryread_w
+				b		i286a_memoryread_w
 
 	END