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version 1.1, 2006/12/30 16:43:14
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version 1.1.2.1, 2006/12/30 16:43:14
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%include 'pccore.inc' |
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%include 'cpucore.inc' |
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%include 'iocore.inc' |
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%include 'vram.inc' |
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section .bss |
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extern np2cfg |
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extern mem |
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extern np2_vram |
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extern renewal_line |
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extern dsync |
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extern vramupdate |
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global grph_table |
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grph_table resd 4*256*2 |
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GDC_S_SYNC equ gdc + gdc_t.s + gdcd_t.para |
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GDC_S_ZOOM equ (GDC_S_SYNC+8) |
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GDC_S_CSRFORM equ (GDC_S_ZOOM+1) |
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GDC_S_SCROLL equ (GDC_S_CSRFORM+3) |
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GDC_S_TEXTW equ (GDC_S_SCROLL+8) |
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GDC_S_PITCH equ (GDC_S_TEXTW+8) |
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GDC_S_LPEN equ (GDC_S_PITCH+1) |
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GDC_S_VECTW equ (GDC_S_LPEN+3) |
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GDC_S_CSRW equ (GDC_S_VECTW+11) |
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GDC_S_MASK equ (GDC_S_CSRW+3) |
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GDC_S_CSRR equ (GDC_S_MASK+2) |
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GDC_S_WRITE equ (GDC_S_CSRR+5) |
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section .text |
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align 16 |
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global makegrph_initialize |
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makegrph_initialize: |
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xor r8, r8 |
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.0: mov ecx, 4 |
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mov edx, 1 |
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.1: shl eax, 8 |
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test r8d, edx |
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setnz al |
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add edx, edx |
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loop .1 |
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add ecx, byte 4 |
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lea r9, [grph_table + 4] |
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.2: mov [r9 + r8*8], eax |
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add eax, eax |
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add r9, 512*4 |
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loop .2 |
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add ecx, byte 4 |
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.3: shl eax, 8 |
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test r8d, edx |
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setnz al |
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add edx, edx |
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loop .3 |
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add ecx, byte 4 |
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sub r9, 512*4*4+4 |
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.4: mov [r9 + r8*8], eax |
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add eax, eax |
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add r9, 512*4 |
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loop .4 |
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inc r8d |
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cmp r8d, 256 |
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jb short .0 |
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ret |
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align 16 |
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global makegrph |
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GRP_LR equ rsp + 0 |
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LINE_WIDTH equ rsp + 4 |
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makegrph: sub rsp, byte 40 |
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mov [rsp+8], rbx |
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mov [rsp+16], rsi |
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mov [rsp+24], rdi |
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mov [rsp+32], rbp |
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lea r8, [mem] |
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mov eax, [dsync + dsync_t.grphvad] |
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and ecx, byte 1 |
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je short .adjustpage |
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add eax, SCRN_BUFSIZE |
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add r8, VRAM_STEP |
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.adjustpage: lea rdi, [np2_vram] |
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inc ecx |
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add rdi, rax |
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pxor xmm0, xmm0 |
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movd xmm1, ecx |
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punpcklbw xmm1, xmm1 |
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pshuflw xmm1, xmm1, 0 |
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punpcklqdq xmm1, xmm1 |
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mov dh, dl |
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mov dl, cl |
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cmp dh, 0 |
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je short .calcmaxline |
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lea rbx, [vramupdate] |
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mov ecx, 8000h/32 |
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.dirtyfilllp: movapd xmm2, [rbx] |
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movapd xmm3, [rbx+16] |
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por xmm2, xmm1 |
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por xmm3, xmm1 |
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movapd [rbx], xmm2 |
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movapd [rbx+16], xmm3 |
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add rbx, byte 32 |
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loop .dirtyfilllp |
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.calcmaxline: movzx eax, byte [GDC_S_CSRFORM] |
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and eax, byte 01fh |
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mov [GRP_LR], eax |
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mov ebx, [dsync + dsync_t.grph_vbp] |
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.drawlp: movzx esi, word [GDC_S_SCROLL+ 0+0] |
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movzx ecx, word [GDC_S_SCROLL+ 0+2] |
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call .grphputlines |
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movzx esi, word [GDC_S_SCROLL+ 4+0] |
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movzx ecx, word [GDC_S_SCROLL+ 4+2] |
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call .grphputlines |
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cmp byte [np2cfg + np2cfg_t.uPD72020], 0 |
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jne short .drawlp |
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movzx esi, word [GDC_S_SCROLL+ 8+0] |
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movzx ecx, word [GDC_S_SCROLL+ 8+2] |
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call .grphputlines |
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movzx esi, word [GDC_S_SCROLL+12+0] |
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movzx ecx, word [GDC_S_SCROLL+12+2] |
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call .grphputlines |
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jmp short .drawlp |
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.grphputlines: movzx eax, byte [GDC_S_PITCH] |
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test ecx, 4000h |
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jne short .storewidth |
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add eax, eax |
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.storewidth: and eax, 0000feh ; uPD72020¤Ç³Îǧ¡Ä |
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mov [LINE_WIDTH+8], eax |
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and esi, 3fffh |
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add esi, esi |
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shr ecx, 4 |
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and ecx, 03ffh |
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jne short .grphlineputst |
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mov ecx, 0400h |
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.grphlineputst: push rcx |
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.grphlineput_lp: mov ecx, [GRP_LR+16] |
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.grphline1_lp: mov ebp, 79*2 |
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test bl, 1 |
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je short .putline |
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test byte [gdc + gdc_t.mode1], 10h |
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je short .putline |
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add edi, 640 |
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cmp dh, 0 ; ALL_DRAWFLAG |
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je short .putlineskip |
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jmp near .linedirtyon |
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.putline: push rsi |
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.linelp: test [vramupdate + rsi], dl |
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je short .nodirty |
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movzx eax, byte [r8 + rsi + VRAM0_B] |
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movq mm0, [grph_table + rax*8 + 0*0x800] |
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movzx eax, byte [r8 + rsi + VRAM0_R] |
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por mm0, [grph_table + rax*8 + 1*0x800] |
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movzx eax, byte [r8 + rsi + VRAM0_G] |
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por mm0, [grph_table + rax*8 + 2*0x800] |
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movzx eax, byte [r8 + rsi + VRAM0_E] |
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por mm0, [grph_table + rax*8 + 3*0x800] |
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or ebp, byte 1 |
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movq [rdi], mm0 |
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.nodirty: inc esi |
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and esi, 07fffh |
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add rdi, byte 8 |
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sub ebp, byte 2 |
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jns short .linelp |
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pop rsi |
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test ebp, 1 |
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je short .putlineskip |
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.linedirtyon: or [renewal_line + rbx], dl |
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.putlineskip: inc ebx |
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cmp ebx, [dsync + dsync_t.grphymax] |
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jnc short .grphbreak |
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dec dword [rsp] |
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je short .grphline1ed |
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dec ecx |
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jns near .grphline1_lp |
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add esi, [LINE_WIDTH+16] |
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and esi, 7fffh |
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jmp near .grphlineput_lp |
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.grphline1ed: add rsp, byte 8 |
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ret |
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.grphbreak: add rsp, byte 16 |
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cmp dh, 0 ; ALL_DRAWFLAG |
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je short .deldirty |
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cmp ebx, [dsync + dsync_t.scrnymax] |
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jae short .deldirty |
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.bottomfill0: or [renewal_line + rbx], dl |
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mov ecx, 640/32 |
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.bottomfill1: movapd [rdi], xmm0 |
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movapd [rdi+16], xmm0 |
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add rdi, byte 32 |
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loop .bottomfill1 |
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inc ebx |
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cmp ebx, [dsync + dsync_t.scrnymax] |
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jb short .bottomfill0 |
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.deldirty: pcmpeqd xmm2, xmm2 |
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lea rbx, [vramupdate] |
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pandn xmm1, xmm2 |
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mov ecx, 8000h/32 |
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.deldirtylp: movapd xmm2, [rbx] |
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movapd xmm3, [rbx+16] |
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pand xmm2, xmm1 |
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pand xmm3, xmm1 |
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movapd [rbx], xmm2 |
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movapd [rbx+16], xmm3 |
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add rbx, byte 32 |
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loop .deldirtylp |
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mov rbx, [rsp+8] |
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mov rsi, [rsp+16] |
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mov rdi, [rsp+24] |
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mov rbp, [rsp+32] |
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add rsp, byte 40 |
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emms |
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ret |
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ends |
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