--- np2/i286x/memory.x86	2003/12/28 08:05:19	1.7
+++ np2/i286x/memory.x86	2004/01/28 23:36:13	1.10
@@ -9,12 +9,10 @@ section .bss
 	global	_mem
 	extern	_i286core
 	extern	_grcg
-	extern	_extmem
 	extern	_gdcs
 	extern	_tramupdate
 	extern	_vramupdate
 	extern	_cgwindow
-;	extern	___font
 	extern	_vramop
 
 _mem	resb	0x200000
@@ -122,6 +120,8 @@ wtram_a:			cmp		ecx, 000a3fe0h
 					jc		short wtram_m
 					cmp		ecx, 000a4000h
 					jnc		wcgwindow_s
+					test	ecx, 2
+					je		short wtram_m
 					cmp		byte [_gdcs + gdcs_t.msw_accessable], 0
 					je		short wtram_e
 wtram_m:			shr		ebx, 1
@@ -279,14 +279,13 @@ grcgtdw_end:		pop		ecx
 					and		ecx, 3fffh
 					shr		ebx, 12
 					and		ebx, byte (3*4)
-					add		ecx, [_extmem + extmem_t.pageptr + ebx]
+					add		ecx, [_i286core + i286core_t.ems + ebx]
 					mov		[EXTMEMORY + ecx], dl
 					pop		ecx
 					pop		ebx
 					ret
 
 @i286_wb:			mov		[MAINMEMORY + 1c8000h - 0e8000h + ecx], dl
-					pop		ecx
 					pop		ebx
 					ret
 
@@ -403,7 +402,7 @@ grcgtcr_end:		not		al
 					and		ecx, 3fffh
 					shr		ebx, 12
 					and		ebx, byte (3*4)
-					add		ecx, [_extmem + extmem_t.pageptr + ebx]
+					add		ecx, [_i286core + i286core_t.ems + ebx]
 					mov		al, [EXTMEMORY + ecx]
 					pop		ecx
 					pop		ebx
@@ -455,6 +454,8 @@ wtramw_a:			je		short wword_a1fffh
 					jc		short wtramw_m
 					cmp		ecx, 000a3fffh
 					jnc		wcgwindoww_s
+					test	ecx, 2
+					je		short wtramw_m
 					cmp		byte [_gdcs + gdcs_t.msw_accessable], 0
 					je		short wtramw_e
 wtramw_m:			and		ebx, 1fffh
@@ -647,14 +648,13 @@ egcw_wtodd:
 					and		ecx, 3fffh
 					shr		ebx, 12
 					and		ebx, byte (3*4)
-					add		ecx, [_extmem + extmem_t.pageptr + ebx]
+					add		ecx, [_i286core + i286core_t.ems + ebx]
 					mov		[EXTMEMORY + ecx], dx
 					pop		ecx
 					pop		ebx
 					ret
 
 @i286w_wb:			mov		[MAINMEMORY + 1c8000h - 0e8000h + ecx], dx
-					pop		ecx
 					pop		ebx
 					ret
 
@@ -817,7 +817,7 @@ egcw_rdodd:
 					and		ecx, 3fffh
 					shr		ebx, 12
 					and		ebx, byte (3*4)
-					add		ecx, [_extmem + extmem_t.pageptr + ebx]
+					add		ecx, [_i286core + i286core_t.ems + ebx]
 					mov		ax, [EXTMEMORY + ecx]
 					pop		ecx
 					pop		ebx
@@ -988,7 +988,7 @@ section .text
 					align	16
 writeextmem_w:
 %if USE_HIMEM
-					cmp		ecx, 10ffefh				; HIMEM
+					cmp		ecx, (USE_HIMEM - 1)
 					jae		near writehimem_w
 %endif
 					push	ebx
@@ -1026,7 +1026,7 @@ writemain_b:		mov		[MAINMEMORY + ecx], d
 					align	16
 writeextmem_b:
 %if USE_HIMEM
-					cmp		ecx, 10fff0h				; HIMEM
+					cmp		ecx, USE_HIMEM
 					jae		near writehimem
 %endif
 					push	ebx
@@ -1043,7 +1043,7 @@ writeextmem_b:
 					align	16
 readmemory_w:
 %if USE_HIMEM
-					cmp		ecx, 10ffefh				; HIMEM
+					cmp		ecx, (USE_HIMEM - 1)
 					jae		near readhimem_w
 %endif
 					push	ebx
@@ -1078,7 +1078,7 @@ readmain_b:			mov		al, [MAINMEMORY + ecx
 					align	16
 readmemory_b:
 %if USE_HIMEM
-					cmp		ecx, 10fff0h				; HIMEM
+					cmp		ecx, USE_HIMEM
 					jae		near readhimem
 %endif
 					push	ebx