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Set video mode, allocate buffers, and enable new Milan video xbios support, need a tester now :).

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--HG--
branch : SDL-1.2
This commit is contained in:
Patrice Mandin
2009-09-20 12:46:46 +00:00
parent 022c4d0ab0
commit db71a6e7f3
1 changed files with 21 additions and 6 deletions
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27
src/video/xbios/SDL_xbios.c
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@@ -143,7 +143,7 @@ static int XBIOS_Available(void)
const char *envr = SDL_getenv("SDL_VIDEODRIVER");
/* Milan/Hades Atari clones do not have an Atari video chip */
if ( (Getcookie(C__MIL, &cookie_mil) == C_FOUND) ||
if ( /*(Getcookie(C__MIL, &cookie_mil) == C_FOUND) ||*/
(Getcookie(C_hade, &cookie_hade) == C_FOUND) ) {
return 0;
}
@@ -387,6 +387,7 @@ static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat)
/* Initialize video mode list */
/* and save current screen status (palette, screen address, video mode) */
XBIOS_centscreen = SDL_FALSE;
XBIOS_oldvbase = Physbase();
/* Determine the current screen size */
this->info.current_w = 0;
@@ -402,7 +403,6 @@ static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
short *oldpalette;
XBIOS_oldvbase=Physbase();
XBIOS_oldvmode=Getrez();
switch(XBIOS_oldvmode << 8) {
case ST_LOW:
@@ -425,7 +425,6 @@ static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat)
}
break;
case VDO_TT:
XBIOS_oldvbase=Logbase();
XBIOS_oldvmode=EgetShift();
switch(XBIOS_oldvmode & ES_MODE) {
@@ -451,7 +450,6 @@ static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat)
XBIOS_ListTTModes(this, 0);
break;
case VDO_F30:
XBIOS_oldvbase=Logbase();
XBIOS_oldvmode=VsetMode(-1);
XBIOS_oldnumcol= 1<< (1 << (XBIOS_oldvmode & NUMCOLS));
@@ -622,7 +620,13 @@ static void XBIOS_FreeBuffers(_THIS)
for (i=0;i<2;i++) {
if (XBIOS_screensmem[i]!=NULL) {
Mfree(XBIOS_screensmem[i]);
if ((XBIOS_cvdo>>16) == VDO_MILAN)) {
if (i==1) {
VsetScreen(-1, -1, MI_MAGIC, CMD_FREEPAGE);
}
} else {
Mfree(XBIOS_screensmem[i]);
}
XBIOS_screensmem[i]=NULL;
}
}
@@ -709,7 +713,15 @@ static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current,
/* Allocate buffers */
for (i=0; i<num_buffers; i++) {
XBIOS_screensmem[i] = Atari_SysMalloc(new_screen_size, MX_STRAM);
if ((XBIOS_cvdo>>16) == VDO_MILAN) {
if (i==0) {
XBIOS_screensmem[i] = XBIOS_oldvbase;
} else {
XBIOS_screensmem[i] = VsetScreen(-1, new_video_mode->number, MI_MAGIC, CMD_ALLOCPAGE);
}
} else {
XBIOS_screensmem[i] = Atari_SysMalloc(new_screen_size, MX_STRAM);
}
if (XBIOS_screensmem[i]==NULL) {
XBIOS_FreeBuffers(this);
@@ -805,6 +817,8 @@ static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current,
}
break;
case VDO_MILAN:
VsetScreen(-1, new_video_mode->number, MI_MAGIC, CMD_SETMODE);
/* Set hardware palette to black in True Colour */
if (new_depth > 8) {
SDL_memset(F30_palette, 0, sizeof(F30_palette));
@@ -1033,6 +1047,7 @@ static void XBIOS_VideoQuit(_THIS)
}
break;
case VDO_MILAN:
VsetScreen(-1, &XBIOS_oldvbase, MI_MAGIC, CMD_SETADR);
VsetScreen(-1, &XBIOS_oldvmode, MI_MAGIC, CMD_SETMODE);
if (XBIOS_oldnumcol) {
VsetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette);