Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-06-05 20:33:45 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

allow wraparound to be turned off (sarukani..)

Browse Source
This commit is contained in:
davidhay 2008-06-07 15:16:11 +00:00
parent d478cd3b1a
commit 817d64eede
1 changed files with 50 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
src/mame/video/suprnova.c
View File

@ -35,8 +35,8 @@ static void suprnova_draw_roz(bitmap_t* bitmap, bitmap_t* bitmapflags, const rec
bitmap_t *srcbitmapflags = tilemap_get_flagsmap(tmap); bitmap_t *srcbitmapflags = tilemap_get_flagsmap(tmap);
const int xmask = srcbitmap->width-1; const int xmask = srcbitmap->width-1;
const int ymask = srcbitmap->height-1; const int ymask = srcbitmap->height-1;
//const int widthshifted = srcbitmap->width << 16; const int widthshifted = srcbitmap->width << 16;
//const int heightshifted = srcbitmap->height << 16; const int heightshifted = srcbitmap->height << 16;
UINT32 cx; UINT32 cx;
UINT32 cy; UINT32 cy;
int x; int x;
@ -61,7 +61,6 @@ static void suprnova_draw_roz(bitmap_t* bitmap, bitmap_t* bitmapflags, const rec
ex = cliprect->max_x; ex = cliprect->max_x;
ey = cliprect->max_y; ey = cliprect->max_y;
/* wraparound case */
{ {
/* loop over rows */ /* loop over rows */
while (sy <= ey) while (sy <= ey)
@ -78,6 +77,8 @@ static void suprnova_draw_roz(bitmap_t* bitmap, bitmap_t* bitmapflags, const rec
/* loop over columns */ /* loop over columns */
while (x <= ex) while (x <= ex)
{
if ((wraparound) || (cx < widthshifted && cy < heightshifted)) // not sure how this will cope with no wraparound, but row/col scroll..
{ {
if (columnscroll) if (columnscroll)
{ {
@ -89,6 +90,7 @@ static void suprnova_draw_roz(bitmap_t* bitmap, bitmap_t* bitmapflags, const rec
dest[0] = BITMAP_ADDR16(srcbitmap, (cy >> 16) & ymask, ((cx >> 16) - scrollram[(cy>>16)&0x3ff]) & xmask)[0]; dest[0] = BITMAP_ADDR16(srcbitmap, (cy >> 16) & ymask, ((cx >> 16) - scrollram[(cy>>16)&0x3ff]) & xmask)[0];
destflags[0] = BITMAP_ADDR8(srcbitmapflags, (cy >> 16) & ymask, ((cx >> 16) - scrollram[(cy>>16)&0x3ff]) & xmask)[0]; destflags[0] = BITMAP_ADDR8(srcbitmapflags, (cy >> 16) & ymask, ((cx >> 16) - scrollram[(cy>>16)&0x3ff]) & xmask)[0];
} }
}
/* advance in X */ /* advance in X */
cx += incxx; cx += incxx;
@ -122,17 +124,18 @@ static int old_depthA=0, depthA=0;
static int old_depthB=0, depthB=0; static int old_depthB=0, depthB=0;
static int sprite_kludge_x=0, sprite_kludge_y=0; static int sprite_kludge_x=0, sprite_kludge_y=0;
static int use_spc_bright, use_v3_bright; static int use_spc_bright = 1, use_v3_bright = 1; // makes sarukani rather dark, but should be default..
static UINT8 bright_spc_b=0x00, bright_spc_g=0x00, bright_spc_r=0x00; static UINT8 bright_spc_b=0x00, bright_spc_g=0x00, bright_spc_r=0x00;
static UINT8 bright_spc_b_trans=0x00, bright_spc_g_trans=0x00, bright_spc_r_trans=0x00; static UINT8 bright_spc_b_trans=0x00, bright_spc_g_trans=0x00, bright_spc_r_trans=0x00;
static UINT8 bright_v3_b=0x00, bright_v3_g=0x00, bright_v3_r=0x00; static UINT8 bright_v3_b=0x00, bright_v3_g=0x00, bright_v3_r=0x00;
static UINT8 bright_v3_b_trans = 0x00, bright_v3_g_trans = 0x00, bright_v3_r_trans = 0x00;
// This ignores the alpha values atm. // This ignores the alpha values atm.
static int spc_changed=0, v3_changed=0, palette_updated=0; static int spc_changed=0, v3_changed=0, palette_updated=0;
int suprnova_alt_enable_background = 1, suprnova_alt_enable_sprites = 1;
WRITE32_HANDLER ( skns_pal_regs_w ) WRITE32_HANDLER ( skns_pal_regs_w )
{ {
@ -141,11 +144,16 @@ WRITE32_HANDLER ( skns_pal_regs_w )
switch ( offset ) switch ( offset )
{ {
/* RWRA regs are for SPRITES */
case (0x00/4): // RWRA0 case (0x00/4): // RWRA0
if( use_spc_bright != (data&1) ) { if( use_spc_bright != (data&1) ) {
use_spc_bright = data&1; use_spc_bright = data&1;
spc_changed = 1; spc_changed = 1;
} }
suprnova_alt_enable_sprites = (data>>8)&1;
break; break;
case (0x04/4): // RWRA1 case (0x04/4): // RWRA1
if( bright_spc_g != (data&0xff) ) { if( bright_spc_g != (data&0xff) ) {
@ -174,29 +182,43 @@ WRITE32_HANDLER ( skns_pal_regs_w )
break; break;
/* RWRB regs are for BACKGROUND */
case (0x10/4): // RWRB0 case (0x10/4): // RWRB0
if( use_v3_bright != (data&1) ) { if( use_v3_bright != (data&1) ) {
use_v3_bright = data&1; use_v3_bright = data&1;
v3_changed = 1; v3_changed = 1;
} }
suprnova_alt_enable_background = (data>>8)&1;
break; break;
case (0x14/4): // RWRB1 case (0x14/4): // RWRB1
if( bright_v3_g != (data&0xff) ) { if( bright_v3_g != (data&0xff) ) {
bright_v3_g = data&0xff; bright_v3_g = data&0xff;
v3_changed = 1; v3_changed = 1;
} }
bright_v3_g_trans = (data>>8)&0xff;
break; break;
case (0x18/4): // RWRB2 case (0x18/4): // RWRB2
if( bright_v3_r != (data&0xff) ) { if( bright_v3_r != (data&0xff) ) {
bright_v3_r = data&0xff; bright_v3_r = data&0xff;
v3_changed = 1; v3_changed = 1;
} }
bright_v3_r_trans = (data>>8)&0xff;
break; break;
case (0x1C/4): // RWRB3 case (0x1C/4): // RWRB3
if( bright_v3_b != (data&0xff) ) { if( bright_v3_b != (data&0xff) ) {
bright_v3_b = data&0xff; bright_v3_b = data&0xff;
v3_changed = 1; v3_changed = 1;
} }
bright_v3_b_trans = (data>>8)&0xff;
break; break;
} }
} }
@ -548,7 +570,7 @@ void skns_draw_sprites(running_machine *machine, bitmap_t *bitmap, const rectang
UINT16 zoomx, zoomy; UINT16 zoomx, zoomy;
if (!disabled){ if ((!disabled) && suprnova_alt_enable_sprites){
group_enable = (skns_spc_regs[0x00/4] & 0x0040) >> 6; // RWR0 group_enable = (skns_spc_regs[0x00/4] & 0x0040) >> 6; // RWR0
@ -912,11 +934,16 @@ VIDEO_START(skns)
static void supernova_draw_a( bitmap_t *bitmap, bitmap_t* bitmap_flags, const rectangle *cliprect, int tran ) static void supernova_draw_a( bitmap_t *bitmap, bitmap_t* bitmap_flags, const rectangle *cliprect, int tran )
{ {
int enable_a = (skns_v3_regs[0x10/4] >> 0) & 0x0001; int enable_a = (skns_v3_regs[0x10/4] >> 0) & 0x0001;
int nowrap_a = (skns_v3_regs[0x10/4] >> 0) & 0x0004;
UINT32 startx,starty; UINT32 startx,starty;
int incxx,incxy,incyx,incyy; int incxx,incxy,incyx,incyy;
int columnscroll; int columnscroll;
if (enable_a) //if(nowrap_a) printf("a\n");
if (enable_a && suprnova_alt_enable_background)
{ {
startx = skns_v3_regs[0x1c/4]; startx = skns_v3_regs[0x1c/4];
incyy = skns_v3_regs[0x30/4]; // was xx, changed for sarukani incyy = skns_v3_regs[0x30/4]; // was xx, changed for sarukani
@ -927,7 +954,7 @@ static void supernova_draw_a( bitmap_t *bitmap, bitmap_t* bitmap_flags, const re
columnscroll = (skns_v3_regs[0x0c/4] >> 1) & 0x0001; columnscroll = (skns_v3_regs[0x0c/4] >> 1) & 0x0001;
suprnova_draw_roz(bitmap,bitmap_flags,cliprect, skns_tilemap_A, startx << 8,starty << 8, incxx << 8,incxy << 8,incyx << 8,incyy << 8, 1, columnscroll, &skns_v3slc_ram[0]); suprnova_draw_roz(bitmap,bitmap_flags,cliprect, skns_tilemap_A, startx << 8,starty << 8, incxx << 8,incxy << 8,incyx << 8,incyy << 8, !nowrap_a, columnscroll, &skns_v3slc_ram[0]);
//tilemap_copy_bitmap(bitmap, tilemap_bitmap_lower, tilemap_bitmapflags_lower); //tilemap_copy_bitmap(bitmap, tilemap_bitmap_lower, tilemap_bitmapflags_lower);
} }
} }
@ -935,11 +962,16 @@ static void supernova_draw_a( bitmap_t *bitmap, bitmap_t* bitmap_flags, const re
static void supernova_draw_b( bitmap_t *bitmap, bitmap_t* bitmap_flags, const rectangle *cliprect, int tran ) static void supernova_draw_b( bitmap_t *bitmap, bitmap_t* bitmap_flags, const rectangle *cliprect, int tran )
{ {
int enable_b = (skns_v3_regs[0x34/4] >> 0) & 0x0001; int enable_b = (skns_v3_regs[0x34/4] >> 0) & 0x0001;
int nowrap_b = (skns_v3_regs[0x34/4] >> 0) & 0x0004;
UINT32 startx,starty; UINT32 startx,starty;
int incxx,incxy,incyx,incyy; int incxx,incxy,incyx,incyy;
int columnscroll; int columnscroll;
if (enable_b) //if(nowrap_b) printf("b\n");
if (enable_b && suprnova_alt_enable_background)
{ {
startx = skns_v3_regs[0x40/4]; startx = skns_v3_regs[0x40/4];
incyy = skns_v3_regs[0x54/4]; incyy = skns_v3_regs[0x54/4];
@ -948,7 +980,7 @@ static void supernova_draw_b( bitmap_t *bitmap, bitmap_t* bitmap_flags, const re
incxy = skns_v3_regs[0x4c/4]; incxy = skns_v3_regs[0x4c/4];
incxx = skns_v3_regs[0x48/4]; incxx = skns_v3_regs[0x48/4];
columnscroll = (skns_v3_regs[0x0c/4] >> 9) & 0x0001; // selects column scroll or rowscroll columnscroll = (skns_v3_regs[0x0c/4] >> 9) & 0x0001; // selects column scroll or rowscroll
suprnova_draw_roz(bitmap,bitmap_flags, cliprect, skns_tilemap_B, startx << 8,starty << 8, incxx << 8,incxy << 8,incyx << 8,incyy << 8, 1, columnscroll, &skns_v3slc_ram[0x1000/4]); suprnova_draw_roz(bitmap,bitmap_flags, cliprect, skns_tilemap_B, startx << 8,starty << 8, incxx << 8,incxy << 8,incyx << 8,incyy << 8, !nowrap_b, columnscroll, &skns_v3slc_ram[0x1000/4]);
} }
} }