--- xmil/vram/makescrn.c 2004/08/07 07:19:56 1.1 +++ xmil/vram/makescrn.c 2004/08/07 10:53:01 1.2 @@ -10,7 +10,6 @@ MAKESCRN makescrn; - BYTE updatetmp[0x800+0x101]; BYTE scrnallflash; BYTE blinktest = 0; @@ -18,7 +17,7 @@ extern BYTE dispmode; static BYTE lastdisp = 0; - BYTE dispflg = UPDATE_VRAM0; + BYTE dispflg; BYTE *dispp = &GRP_RAM[GRAM_BANK0]; BYTE *dispp2 = &GRP_RAM[GRAM_BANK1]; static BYTE blinktime = 1; @@ -31,22 +30,86 @@ void init_draw(void) { makesub_initialize(); reflesh_palette(); lastdisp = 0; - dispflg = UPDATE_VRAM0; + dispflg = UPDATE_TRAM | UPDATE_VRAM0; dispp = &GRP_RAM[GRAM_BANK0]; } +static void fillupdatetmp(void) { -void fillupdatetmp(void) { + UINT32 *p; + UINT i; - __asm { - mov ebx, offset updatetmp - mov ecx, 0x200 -filludt_lp: or dword ptr [ebx], (UPDATE_TVRAM * 01010101h) - add ebx, 4 - loop filludt_lp - } + p = (UINT32 *)updatetmp; + for (i=0; i<0x200; i++) { + p[i] |= (UPDATE_TVRAM << 24) | (UPDATE_TVRAM << 16) | + (UPDATE_TVRAM << 8) | UPDATE_TVRAM; + } } +#if 1 +static void flashupdatetmp(void) { + + UINT posl; + UINT y; + UINT x; + UINT r; + UINT posr; + BRESULT y2; + REG16 atr; + REG16 udtbase; + REG16 udt; + + posl = crtc.s.TXT_TOP; + y = crtc.s.TXT_YL; + do { + for (x=0; x> 1; + do { + posr = LOW11(posl + 1); + atr = (tram[TRAM_ATR + posl] << 8) | tram[TRAM_ATR + posr]; + udt = udtbase; + if (!y2) { + if (atr & (X1ATR_Yx2 << 8)) { + udt |= (UPDATE_TRAM | 1) << 8; // º¸ÄÙ¤ì½ÄÇÜ³Ñ + } + else { + y2 = TRUE; + } + } + if (!y2) { + if (atr & (X1ATR_Yx2 << 0)) { + udt |= (UPDATE_TRAM | 1) << 0; // ±¦ÄÙ¤ì½ÄÇÜ³Ñ + } + else { + y2 = TRUE; + } + } + if (atr & (X1ATR_Xx2 << 8)) { // º¸Â¦ÇܳÑ? + udt |= 0x0812; + } + if (atr & (X1ATR_Xx2 << 0)) { // ±¦Â¦ÇܳÑ? + udt |= 0x0008; + } + if ((updatetmp[posl] ^ (udt >> 8)) & 0x1f) { + updatetmp[posl] = (UINT8)((udt >> 8) | UPDATE_TVRAM); + } + if ((updatetmp[posr] ^ (udt >> 0)) & 0x1f) { + updatetmp[posr] = (UINT8)((udt >> 0) | UPDATE_TVRAM); + } + posl = LOW11(posl + 2); + } while(--r); + if (crtc.s.TXT_XL & 1) { + posl = LOW11(posl - 1); + } + } while(--y); +} +#else static LABEL void flashupdatetmp(void) { __asm { @@ -145,34 +208,40 @@ nextlinecheck: inc dl ret } } +#endif -void updateblink(void) { +static BRESULT updateblink(void) { - __asm { - dec blinktime - jns blinkupflg_ed - mov blinktime, 30-1 - push edi - movzx edi, crtc.s.TXT_TOP - mov ax, 010h - xor blinktest, al - mov cx, word ptr (makescrn.vramsize) - or cx, cx - je blinkupflg - -blinkup_lp: test tram[TRAM_ATR + edi], al - je short blinknup_ed - mov ah, UPDATE_TVRAM - or updatetmp[edi], ah -blinknup_ed: inc edi - dec cx - jne blinkup_lp - or makescrn.scrnflash, ah - shr ah, 5 -blinkupflg: pop edi - mov makescrn.existblink, ah -blinkupflg_ed: + UINT pos; + REG8 update; + UINT r; + + if (blinktime) { + blinktime--; + return(FALSE); + } + else { + blinktime = 30 - 1; + pos = makescrn.vramtop; + blinktest ^= 0x10; + update = 0; + r = makescrn.vramsize; + while(r) { + r--; + if (tram[TRAM_ATR + pos] & 0x10) { + updatetmp[pos] |= UPDATE_TRAM; + update = UPDATE_TRAM; + } + pos = LOW11(pos + 1); + } + if (update) { + makescrn.existblink = 1; + return(TRUE); + } + else { + return(FALSE); } + } } @@ -187,6 +256,8 @@ static void x1vram_adjust(void) { UINT charcy; UINT surfcy; + makescrn.vramtop = LOW11(crtc.s.TXT_TOP); + if (crtc.s.TXT_XL <= 40) { if (dispmode & SCRN_DRAW4096) { widthmode = SCRNWIDTHMODE_4096; @@ -238,7 +309,7 @@ static void x1vram_adjust(void) { } makescrn.surfcy = surfcy; makescrn.surfstep = (SURFACE_WIDTH * charcy * 2) - (makescrn.surfcx * 8); - makescrn.vramsize = min(0x800, charcy * crtc.s.TXT_XL); + makescrn.vramsize = min(0x800, surfcy * crtc.s.TXT_XL); scrnmng_setheight(0, charcy * surfcy * 2); } @@ -277,12 +348,12 @@ void scrnupdate(void) { if (!(dispmode & SCRN_BANK1)) { dispp = GRP_RAM + GRAM_BANK0; dispp2 = GRP_RAM + GRAM_BANK1; - dispflg = UPDATE_VRAM0; + dispflg = UPDATE_TRAM | UPDATE_VRAM0; } else { dispp = GRP_RAM + GRAM_BANK1; dispp2 = GRP_RAM + GRAM_BANK0; - dispflg = UPDATE_VRAM1; + dispflg = UPDATE_TRAM | UPDATE_VRAM1; } } if (scrnallflash) { @@ -301,7 +372,7 @@ void scrnupdate(void) { ddrawflash = 1; } if (makescrn.existblink) { - updateblink(); + makescrn.scrnflash |= updateblink(); } if (makescrn.scrnflash) {