np2/i286x/memory.x86 - diff

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Diff for /np2/i286x/memory.x86 between versions 1.8 and 1.14

version 1.8, 2004/01/10 17:24:01	version 1.14, 2005/03/18 06:49:17
Line 3	Line 3
; ToDo: egc word-boundary	; ToDo: egc word-boundary

%include 'x86/np2asm.inc'	%include 'x86/np2asm.inc'
	%include '../io/x86/iocore.inc'

section .bss	section .bss

global _mem	global _mem
extern _i286core	extern _i286core
extern _grcg
extern _extmem
extern _gdcs
extern _tramupdate	extern _tramupdate
extern _vramupdate	extern _vramupdate
extern _cgwindow
; extern ___font
extern _vramop	extern _vramop

_mem resb 0x200000	_mem resb 0x200000
Line 84 section .text	Line 80 section .text


%if USE_EGCASM	%if USE_EGCASM
extern _egca_read	extern egc_read
extern _egca_read_w	extern egc_read_w
extern _egca_write	extern egc_write
extern _egca_write_w	extern egc_write_w
%else	%else
extern @egc_read@4	extern @memegc_rd8@4
extern @egc_read_w@4	extern @memegc_rd16@4
extern @egc_write@8	extern @memegc_wr8@8
extern @egc_write_w@8	extern @memegc_wr16@8
%endif	%endif

; normal memory	; normal memory
Line 122 wtram_a: cmp ecx, 000a3fe0h	Line 118 wtram_a: cmp ecx, 000a3fe0h
jc short wtram_m	jc short wtram_m
cmp ecx, 000a4000h	cmp ecx, 000a4000h
jnc wcgwindow_s	jnc wcgwindow_s
	test ecx, 2
	je short wtram_m
cmp byte [_gdcs + gdcs_t.msw_accessable], 0	cmp byte [_gdcs + gdcs_t.msw_accessable], 0
je short wtram_e	je short wtram_e
wtram_m: shr ebx, 1	wtram_m: shr ebx, 1
Line 262 grcgtdw_end: pop ecx	Line 260 grcgtdw_end: pop ecx
; EGC bridge	; EGC bridge
align 16	align 16
@egc_wt: VRAMTRACE	@egc_wt: VRAMTRACE
	mov ebx, [_vramop + vramop_t.grcgwait]
	sub [_i286core + i286core_t.remainclock], ebx
pop ebx	pop ebx
%if USE_EGCASM	%if USE_EGCASM
jmp _egca_write	jmp egc_write
%else	%else
pushad	pushad
call @egc_write@8	call @memegc_wr8@8
popad	popad
ret	ret
%endif	%endif
Line 279 grcgtdw_end: pop ecx	Line 279 grcgtdw_end: pop ecx
and ecx, 3fffh	and ecx, 3fffh
shr ebx, 12	shr ebx, 12
and ebx, byte (3*4)	and ebx, byte (3*4)
add ecx, [_extmem + extmem_t.pageptr + ebx]	add ecx, [_i286core + i286core_t.ems + ebx]
mov [EXTMEMORY + ecx], dl	mov [EXTMEMORY + ecx], dl
pop ecx	pop ecx
pop ebx	pop ebx
Line 383 grcgtcr_end: not al	Line 383 grcgtcr_end: not al

; EGC bridge	; EGC bridge
align 16	align 16
@egc_rd: pop ebx	@egc_rd: mov ebx, [_vramop + vramop_t.grcgwait]
	sub [_i286core + i286core_t.remainclock], ebx
	pop ebx
%if USE_EGCASM	%if USE_EGCASM
jmp _egca_read	jmp egc_read
%else	%else
pushad	pushad
call @egc_read@4	call @memegc_rd8@4
mov [esp + 28], al	mov [esp + 28], al
popad	popad
ret	ret
Line 402 grcgtcr_end: not al	Line 404 grcgtcr_end: not al
and ecx, 3fffh	and ecx, 3fffh
shr ebx, 12	shr ebx, 12
and ebx, byte (3*4)	and ebx, byte (3*4)
add ecx, [_extmem + extmem_t.pageptr + ebx]	add ecx, [_i286core + i286core_t.ems + ebx]
mov al, [EXTMEMORY + ecx]	mov al, [EXTMEMORY + ecx]
pop ecx	pop ecx
pop ebx	pop ebx
Line 454 wtramw_a: je short wword_a1fffh	Line 456 wtramw_a: je short wword_a1fffh
jc short wtramw_m	jc short wtramw_m
cmp ecx, 000a3fffh	cmp ecx, 000a3fffh
jnc wcgwindoww_s	jnc wcgwindoww_s
	test ecx, 2
	je short wtramw_m
cmp byte [_gdcs + gdcs_t.msw_accessable], 0	cmp byte [_gdcs + gdcs_t.msw_accessable], 0
je short wtramw_e	je short wtramw_e
wtramw_m: and ebx, 1fffh	wtramw_m: and ebx, 1fffh
Line 615 grcgwtdw_end: pop ecx	Line 619 grcgwtdw_end: pop ecx
; EGC bridge	; EGC bridge
align 16	align 16
@egcw_wt: VRAMTRACE_W	@egcw_wt: VRAMTRACE_W
	mov ebx, [_vramop + vramop_t.grcgwait]
	sub [_i286core + i286core_t.remainclock], ebx
pop ebx	pop ebx
%if USE_EGCASM	%if USE_EGCASM
jmp _egca_write_w	jmp egc_write_w
%else	%else
test ecx, 1
jne short egcw_wtodd
pushad
call @egc_write_w@8
popad
ret
egcw_wtodd:
pushad	pushad
push ecx	call @memegc_wr16@8
push edx
call @egc_write@8
pop edx
pop ecx
inc ecx
shr edx, 8
call @egc_write@8
popad	popad
ret	ret
%endif	%endif
Line 646 egcw_wtodd:	Line 638 egcw_wtodd:
and ecx, 3fffh	and ecx, 3fffh
shr ebx, 12	shr ebx, 12
and ebx, byte (3*4)	and ebx, byte (3*4)
add ecx, [_extmem + extmem_t.pageptr + ebx]	add ecx, [_i286core + i286core_t.ems + ebx]
mov [EXTMEMORY + ecx], dx	mov [EXTMEMORY + ecx], dx
pop ecx	pop ecx
pop ebx	pop ebx
Line 775 grcgwtcr_end: not ax	Line 767 grcgwtcr_end: not ax

; EGC bridge	; EGC bridge
align 16	align 16
@egcw_rd: pop ebx	@egcw_rd: mov ebx, [_vramop + vramop_t.grcgwait]
test ecx, 1	sub [_i286core + i286core_t.remainclock], ebx
jne short egcw_rdodd	pop ebx
%if USE_EGCASM	%if USE_EGCASM
jmp _egca_read_w	jmp egc_read_w
%else	%else
pushad	pushad
call @egc_read_w@4	call @memegc_rd16@4
mov [esp + 28], ax	mov [esp + 28], ax
popad	popad
ret	ret
%endif	%endif

egcw_rdodd:
%if USE_EGCASM
inc ecx
call _egca_read
mov ah, al
dec ecx
jmp _egca_read
%else
pushad
push ecx
call @egc_read@4
pop ecx
mov [esp+28], al
inc ecx
call @egc_read@4
mov [esp+29], al
popad
%endif
ret

; EMM read	; EMM read
align 16	align 16
Line 815 egcw_rdodd:	Line 788 egcw_rdodd:
and ecx, 3fffh	and ecx, 3fffh
shr ebx, 12	shr ebx, 12
and ebx, byte (3*4)	and ebx, byte (3*4)
add ecx, [_extmem + extmem_t.pageptr + ebx]	add ecx, [_i286core + i286core_t.ems + ebx]
mov ax, [EXTMEMORY + ecx]	mov ax, [EXTMEMORY + ecx]
pop ecx	pop ecx
pop ebx	pop ebx
Line 986 section .text	Line 959 section .text
align 16	align 16
writeextmem_w:	writeextmem_w:
%if USE_HIMEM	%if USE_HIMEM
cmp ecx, 10ffefh ; HIMEM	cmp ecx, (USE_HIMEM - 1)
jae near writehimem_w	jae near writehimem_w
%endif	%endif
push ebx	push ebx
Line 1024 writemain_b: mov [MAINMEMORY + ecx], d	Line 997 writemain_b: mov [MAINMEMORY + ecx], d
align 16	align 16
writeextmem_b:	writeextmem_b:
%if USE_HIMEM	%if USE_HIMEM
cmp ecx, 10fff0h ; HIMEM	cmp ecx, USE_HIMEM
jae near writehimem	jae near writehimem
%endif	%endif
push ebx	push ebx
Line 1041 writeextmem_b:	Line 1014 writeextmem_b:
align 16	align 16
readmemory_w:	readmemory_w:
%if USE_HIMEM	%if USE_HIMEM
cmp ecx, 10ffefh ; HIMEM	cmp ecx, (USE_HIMEM - 1)
jae near readhimem_w	jae near readhimem_w
%endif	%endif
push ebx	push ebx
Line 1076 readmain_b: mov al, [MAINMEMORY + ecx	Line 1049 readmain_b: mov al, [MAINMEMORY + ecx
align 16	align 16
readmemory_b:	readmemory_b:
%if USE_HIMEM	%if USE_HIMEM
cmp ecx, 10fff0h ; HIMEM	cmp ecx, USE_HIMEM
jae near readhimem	jae near readhimem
%endif	%endif
push ebx	push ebx

RetroPC.NET-CVS <cvs@retropc.net>

Removed from v.1.8
changed lines
	Added in v.1.14