np2/i286x/memory.x86 - diff

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Diff for /np2/i286x/memory.x86 between versions 1.5 and 1.8

version 1.5, 2003/12/12 01:04:40	version 1.8, 2004/01/10 17:24:01
Line 264 grcgtdw_end: pop ecx	Line 264 grcgtdw_end: pop ecx
@egc_wt: VRAMTRACE	@egc_wt: VRAMTRACE
pop ebx	pop ebx
%if USE_EGCASM	%if USE_EGCASM
jmp _egca_write ; ver0.26	jmp _egca_write
%else	%else
pushad	pushad
call @egc_write@8	call @egc_write@8
Line 280 grcgtdw_end: pop ecx	Line 280 grcgtdw_end: pop ecx
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, [_extmem + extmem_t.pageptr + ebx]
mov [EXTMEMORY + ecx], dl ; ver0.28	mov [EXTMEMORY + ecx], dl
pop ecx	pop ecx
pop ebx	pop ebx
ret	ret

	@i286_wb: mov [MAINMEMORY + 1c8000h - 0e8000h + ecx], dl
	pop ebx
	ret

; non writable memory	; non writable memory
align 16	align 16
@i286_wn: pop ebx	@i286_wn: pop ebx
Line 381 grcgtcr_end: not al	Line 385 grcgtcr_end: not al
align 16	align 16
@egc_rd: pop ebx	@egc_rd: pop ebx
%if USE_EGCASM	%if USE_EGCASM
jmp _egca_read ; ver0.26	jmp _egca_read
%else	%else
pushad	pushad
call @egc_read@4	call @egc_read@4
Line 399 grcgtcr_end: not al	Line 403 grcgtcr_end: not al
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, [_extmem + extmem_t.pageptr + ebx]
mov al, [EXTMEMORY + ecx] ; ver0.28	mov al, [EXTMEMORY + ecx]
pop ecx	pop ecx
pop ebx	pop ebx
ret	ret

; BIOS or ITF	; BIOS or ITF
align 16	align 16
@i286_itf: cmp byte [_i286core + i286core_t.itfbank], 0	@i286_rb: pop ebx
jne readmem_itr	cmp byte [_i286core + i286core_t.itfbank], 0
	jne readmem_itf
mov al, [MAINMEMORY + ecx]	mov al, [MAINMEMORY + ecx]
pop ebx
ret	ret
align 16	readmem_itf: mov al, [MAINMEMORY + VRAM_STEP + ecx]
readmem_itr: mov ebx, ecx
and ebx, 00007fffh
mov al, [MAINMEMORY + ITF_ADRS + ebx]
pop ebx
ret	ret

; ----------------------------------------------------------------- write word	; ----------------------------------------------------------------- write word
Line 617 grcgwtdw_end: pop ecx	Line 617 grcgwtdw_end: pop ecx
@egcw_wt: VRAMTRACE_W	@egcw_wt: VRAMTRACE_W
pop ebx	pop ebx
%if USE_EGCASM	%if USE_EGCASM
jmp _egca_write_w ; ver0.26	jmp _egca_write_w
%else	%else
test ecx, 1	test ecx, 1
jne short egcw_wtodd	jne short egcw_wtodd
Line 647 egcw_wtodd:	Line 647 egcw_wtodd:
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, [_extmem + extmem_t.pageptr + ebx]
mov [EXTMEMORY + ecx], dx ; ver0.28	mov [EXTMEMORY + ecx], dx
pop ecx	pop ecx
pop ebx	pop ebx
ret	ret

	@i286w_wb: mov [MAINMEMORY + 1c8000h - 0e8000h + ecx], dx
	pop ebx
	ret

; ------------------------------------------------------------------ read word	; ------------------------------------------------------------------ read word

; normal memory	; normal memory
Line 775 grcgwtcr_end: not ax	Line 779 grcgwtcr_end: not ax
test ecx, 1	test ecx, 1
jne short egcw_rdodd	jne short egcw_rdodd
%if USE_EGCASM	%if USE_EGCASM
jmp _egca_read_w ; ver0.26	jmp _egca_read_w
%else	%else
pushad	pushad
call @egc_read_w@4	call @egc_read_w@4
Line 785 grcgwtcr_end: not ax	Line 789 grcgwtcr_end: not ax
%endif	%endif

egcw_rdodd:	egcw_rdodd:
%if USE_EGCASM ; ver0.26	%if USE_EGCASM
inc ecx	inc ecx
call _egca_read	call _egca_read
mov ah, al	mov ah, al
Line 812 egcw_rdodd:	Line 816 egcw_rdodd:
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, [_extmem + extmem_t.pageptr + ebx]
mov ax, [EXTMEMORY + ecx] ; ver0.28	mov ax, [EXTMEMORY + ecx]
pop ecx	pop ecx
pop ebx	pop ebx
ret	ret

; BIOS or ITF	; BIOS or ITF
align 16	align 16
@i286w_itf: cmp byte [_i286core + i286core_t.itfbank], 0	@i286w_rb: pop ebx
jne readwmem_itr	cmp byte [_i286core + i286core_t.itfbank], 0
	jne readwmem_itf
mov ax, [MAINMEMORY + ecx]	mov ax, [MAINMEMORY + ecx]
pop ebx
ret	ret
align 16	readwmem_itf: mov ax, [MAINMEMORY + VRAM_STEP + ecx]
readwmem_itr: mov ebx, ecx
and ebx, 00007fffh
mov ax, [MAINMEMORY + ITF_ADRS + ebx]
pop ebx
ret	ret


section .data	section .data

; ---------------------------------------------------------------------- table	; ---------------------------------------------------------------------- table

global _memory_write
global _memory_read	global _memory_read
	global _memory_write

	_memory_read dd @i286_rd, @i286_rd ; 00
	dd @i286_rd, @i286_rd ; 10
	dd @i286_rd, @i286_rd ; 20
	dd @i286_rd, @i286_rd ; 30
	dd @i286_rd, @i286_rd ; 40
	dd @i286_rd, @i286_rd ; 50
	dd @i286_rd, @i286_rd ; 60
	dd @i286_rd, @i286_rd ; 70
	dd @i286_rd, @i286_rd ; 80
	dd @i286_rd, @i286_rd ; 90
	dd @tram_rd, @vram_r0 ; a0
	dd @vram_r0, @vram_r0 ; b0
	dd @emmc_rd, @emmc_rd ; c0
	dd @i286_rd, @i286_rd ; d0
	dd @vram_r0, @i286_rd ; e0
	dd @i286_rd, @i286_rb ; f0

_memory_write dd @i286_wt, @i286_wt ; 00	_memory_write dd @i286_wt, @i286_wt ; 00
dd @i286_wt, @i286_wt ; 10	dd @i286_wt, @i286_wt ; 10
Line 855 _memory_write dd @i286_wt, @i286_wt ;	Line 873 _memory_write dd @i286_wt, @i286_wt ;
dd @vram_w0, @i286_wn ; e0	dd @vram_w0, @i286_wn ; e0
dd @i286_wn, @i286_wn ; f0	dd @i286_wn, @i286_wn ; f0

_memory_read dd @i286_rd, @i286_rd ; 00	_memword_read dd @i286w_rd, @i286w_rd ; 00
dd @i286_rd, @i286_rd ; 10	dd @i286w_rd, @i286w_rd ; 10
dd @i286_rd, @i286_rd ; 20	dd @i286w_rd, @i286w_rd ; 20
dd @i286_rd, @i286_rd ; 30	dd @i286w_rd, @i286w_rd ; 30
dd @i286_rd, @i286_rd ; 40	dd @i286w_rd, @i286w_rd ; 40
dd @i286_rd, @i286_rd ; 50	dd @i286w_rd, @i286w_rd ; 50
dd @i286_rd, @i286_rd ; 60	dd @i286w_rd, @i286w_rd ; 60
dd @i286_rd, @i286_rd ; 70	dd @i286w_rd, @i286w_rd ; 70
dd @i286_rd, @i286_rd ; 80	dd @i286w_rd, @i286w_rd ; 80
dd @i286_rd, @i286_rd ; 90	dd @i286w_rd, @i286w_rd ; 90
dd @tram_rd, @vram_r0 ; a0	dd @tramw_rd, @vramw_r0 ; a0
dd @vram_r0, @vram_r0 ; b0	dd @vramw_r0, @vramw_r0 ; b0
dd @emmc_rd, @emmc_rd ; c0	dd @emmcw_rd, @emmcw_rd ; c0
dd @i286_rd, @i286_rd ; d0	dd @i286w_rd, @i286w_rd ; d0
dd @vram_r0, @i286_rd ; e0	dd @vramw_r0, @i286w_rd ; e0
dd @i286_rd, @i286_itf ; f0	dd @i286w_rd, @i286w_rb ; f0

_memword_write dd @i286w_wt, @i286w_wt ; 00	_memword_write dd @i286w_wt, @i286w_wt ; 00
dd @i286w_wt, @i286w_wt ; 10	dd @i286w_wt, @i286w_wt ; 10
Line 889 _memword_write dd @i286w_wt, @i286w_wt	Line 907 _memword_write dd @i286w_wt, @i286w_wt
dd @vramw_w0, @i286_wn ; e0	dd @vramw_w0, @i286_wn ; e0
dd @i286_wn, @i286_wn ; f0	dd @i286_wn, @i286_wn ; f0

_memword_read dd @i286w_rd, @i286w_rd ; 00	section .rdata
dd @i286w_rd, @i286w_rd ; 10
dd @i286w_rd, @i286w_rd ; 20
dd @i286w_rd, @i286w_rd ; 30
dd @i286w_rd, @i286w_rd ; 40
dd @i286w_rd, @i286w_rd ; 50
dd @i286w_rd, @i286w_rd ; 60
dd @i286w_rd, @i286w_rd ; 70
dd @i286w_rd, @i286w_rd ; 80
dd @i286w_rd, @i286w_rd ; 90
dd @tramw_rd, @vramw_r0 ; a0
dd @vramw_r0, @vramw_r0 ; b0
dd @emmcw_rd, @emmcw_rd ; c0
dd @i286w_rd, @i286w_rd ; d0
dd @vramw_r0, @i286w_rd ; e0
dd @i286w_rd, @i286w_itf ; f0

_vram_write dd @vram_w0, @vram_w1 ; 00	memmap dd @i286_rd, @i286_rb ; NEC
dd @vram_w0, @vram_w1	dd @i286_wn, @i286_wn
dd @vram_w0, @vram_w1 ; 40	dd @i286w_rd, @i286w_rb
dd @vram_w0, @vram_w1	dd @i286_wn, @i286_wn
dd @grcg_tdw0, @grcg_tdw1 ; 80 tdw/tcr
dd @egc_wt, @egc_wt	dd @i286_rb, @i286_rb ; EPSON
dd @grcg_rmw0, @grcg_rmw1 ; c0 rmw	dd @i286_wt, @i286_wb
dd @egc_wt, @egc_wt	dd @i286w_rb, @i286w_rb
	dd @i286w_wt, @i286w_wb

_vram_read dd @vram_r0, @vram_r1 ; 00
	vram_read dd @vram_r0, @vram_r1 ; 00
dd @vram_r0, @vram_r1	dd @vram_r0, @vram_r1
dd @vram_r0, @vram_r1 ; 40	dd @vram_r0, @vram_r1 ; 40
dd @vram_r0, @vram_r1	dd @vram_r0, @vram_r1
Line 924 _vram_read dd @vram_r0, @vram_r1 ; 00	Line 929 _vram_read dd @vram_r0, @vram_r1 ; 00
dd @vram_r0, @vram_r1 ; c0 rmw	dd @vram_r0, @vram_r1 ; c0 rmw
dd @egc_rd, @egc_rd	dd @egc_rd, @egc_rd

_vramw_write dd @vramw_w0, @vramw_w1 ; 00	vram_write dd @vram_w0, @vram_w1 ; 00
dd @vramw_w0, @vramw_w1	dd @vram_w0, @vram_w1
dd @vramw_w0, @vramw_w1 ; 40	dd @vram_w0, @vram_w1 ; 40
dd @vramw_w0, @vramw_w1	dd @vram_w0, @vram_w1
dd @grcgw_tdw0, @grcgw_tdw1 ; 80 tdw/tcr	dd @grcg_tdw0, @grcg_tdw1 ; 80 tdw/tcr
dd @egcw_wt, @egcw_wt	dd @egc_wt, @egc_wt
dd @grcgw_rmw0, @grcgw_rmw1 ; c0 rmw	dd @grcg_rmw0, @grcg_rmw1 ; c0 rmw
dd @egcw_wt, @egcw_wt	dd @egc_wt, @egc_wt

_vramw_read dd @vramw_r0, @vramw_r1 ; 00	vramw_read dd @vramw_r0, @vramw_r1 ; 00
dd @vramw_r0, @vramw_r1	dd @vramw_r0, @vramw_r1
dd @vramw_r0, @vramw_r1 ; 40	dd @vramw_r0, @vramw_r1 ; 40
dd @vramw_r0, @vramw_r1	dd @vramw_r0, @vramw_r1
Line 942 _vramw_read dd @vramw_r0, @vramw_r1 ;	Line 947 _vramw_read dd @vramw_r0, @vramw_r1 ;
dd @vramw_r0, @vramw_r1 ; c0 rmw	dd @vramw_r0, @vramw_r1 ; c0 rmw
dd @egcw_rd, @egcw_rd	dd @egcw_rd, @egcw_rd

	vramw_write dd @vramw_w0, @vramw_w1 ; 00
	dd @vramw_w0, @vramw_w1
	dd @vramw_w0, @vramw_w1 ; 40
	dd @vramw_w0, @vramw_w1
	dd @grcgw_tdw0, @grcgw_tdw1 ; 80 tdw/tcr
	dd @egcw_wt, @egcw_wt
	dd @grcgw_rmw0, @grcgw_rmw1 ; c0 rmw
	dd @egcw_wt, @egcw_wt



section .text	section .text

	global @i286_memorymap@4
global @i286_vram_dispatch@4	global @i286_vram_dispatch@4

global @i286_memorywrite@8	global @i286_memorywrite@8
Line 1083 readmemory_b:	Line 1099 readmemory_b:
mov ax, 0ffffh	mov ax, 0ffffh
ret	ret


	align 16
	@i286_memorymap@4: and ecx, 1
	shl ecx, 5
	lea ecx, [memmap + ecx]
	mov edx, _memory_read
	mov eax, [ecx]
	mov [edx + 74h], eax
	mov [edx + 78h], eax
	mov eax, [ecx+4]
	mov [edx + 7ch], eax
	mov eax, [ecx+8]
	mov edx, _memory_write
	mov [edx + 68h], eax
	mov [edx + 6ch], eax
	mov eax, [ecx+12]
	mov [edx + 74h], eax
	mov [edx + 78h], eax
	mov [edx + 7ch], eax
	mov eax, [ecx+16]
	mov edx, _memword_read
	mov [edx + 74h], eax
	mov [edx + 78h], eax
	mov eax, [ecx+20]
	mov [edx + 7ch], eax
	mov eax, [ecx+24]
	mov edx, _memword_write
	mov [edx + 68h], eax
	mov [edx + 6ch], eax
	mov eax, [ecx+28]
	mov [edx + 74h], eax
	mov [edx + 78h], eax
	mov [edx + 7ch], eax
	ret

align 16	align 16
@i286_vram_dispatch@4:	@i286_vram_dispatch@4:
mov edx, ecx	mov edx, ecx
and edx, byte 15	and edx, byte 15
mov eax, [_vram_write + edx*4]	mov eax, [vram_read + edx*4]
mov [_memory_write + 54h], eax ; VRAM_B
mov [_memory_write + 58h], eax ; VRAM_R
mov [_memory_write + 5ch], eax ; VRAM_G
mov [_memory_write + 70h], eax ; VRAM_E
mov eax, [_vram_read + edx*4]
mov [_memory_read + 54h], eax ; VRAM_B	mov [_memory_read + 54h], eax ; VRAM_B
mov [_memory_read + 58h], eax ; VRAM_R	mov [_memory_read + 58h], eax ; VRAM_R
mov [_memory_read + 5ch], eax ; VRAM_G	mov [_memory_read + 5ch], eax ; VRAM_G
mov [_memory_read + 70h], eax ; VRAM_E	mov [_memory_read + 70h], eax ; VRAM_E
mov eax, [_vramw_write + edx*4]	mov eax, [vram_write + edx*4]
mov [_memword_write + 54h], eax ; VRAM_B	mov [_memory_write + 54h], eax ; VRAM_B
mov [_memword_write + 58h], eax ; VRAM_R	mov [_memory_write + 58h], eax ; VRAM_R
mov [_memword_write + 5ch], eax ; VRAM_G	mov [_memory_write + 5ch], eax ; VRAM_G
mov [_memword_write + 70h], eax ; VRAM_E	mov [_memory_write + 70h], eax ; VRAM_E
mov eax, [_vramw_read + edx*4]	mov eax, [vramw_read + edx*4]
mov [_memword_read + 54h], eax ; VRAM_B	mov [_memword_read + 54h], eax ; VRAM_B
mov [_memword_read + 58h], eax ; VRAM_R	mov [_memword_read + 58h], eax ; VRAM_R
mov [_memword_read + 5ch], eax ; VRAM_G	mov [_memword_read + 5ch], eax ; VRAM_G
mov [_memword_read + 70h], eax ; VRAM_E	mov [_memword_read + 70h], eax ; VRAM_E
	mov eax, [vramw_write + edx*4]
	mov [_memword_write + 54h], eax ; VRAM_B
	mov [_memword_write + 58h], eax ; VRAM_R
	mov [_memword_write + 5ch], eax ; VRAM_G
	mov [_memword_write + 70h], eax ; VRAM_E
test ecx, 10h	test ecx, 10h
jne short degtaldispatch_e	jne short degtaldispatch_e
mov eax, @i286_nonram_w@8	mov eax, @i286_nonram_w@8

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

Removed from v.1.5
changed lines
	Added in v.1.8