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mirror of https://github.com/holub/mame synced 2025-06-03 03:16:30 +03:00
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removed unused code and fix a little bug

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This commit is contained in:
Roberto Zandona 2008-08-20 22:54:22 +00:00
parent 9507cf7a53
commit 73cbd67b13
1 changed files with 25 additions and 43 deletions
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68
src/mame/video/hd63484.c
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@ -433,30 +433,7 @@ static int get_pixel(int x,int y)
static int get_pixel_ptn(int x,int y)
{
int dst, x_int, x_mod, bpp;
UINT16 bitmask, bitmask_shifted, bitmask_cl;
switch ((HD63484_reg[0x02/2] & 0x700) >> 8)
{
case 0:
bitmask_cl = 0x0001;
break;
case 1:
bitmask_cl = 0x0003;
break;
case 2:
bitmask_cl = 0x000f;
break;
case 3:
bitmask_cl = 0x00ff;
break;
case 4:
bitmask_cl = 0xffff;
break;
default:
bitmask_cl = 0x0000;
logerror ("Graphic bit mode not supported\n");
}
UINT16 bitmask, bitmask_shifted;
bpp = 1;
bitmask = 0x0001;
@ -814,7 +791,6 @@ static void ptn(int opcode,int src_x,int src_y,INT16 _ax,INT16 _ay)
void line(INT16 sx, INT16 sy, INT16 ex, INT16 ey, INT16 col)
{
INT16 ax,ay;
int cpx_t=sx;
@ -827,7 +803,7 @@ void line(INT16 sx, INT16 sy, INT16 ex, INT16 ey, INT16 col)
{
while (ax)
{
dot(cpx_t,cpy_t,col,cl0);
dot(cpx_t,cpy_t,col & 7,cl0);
if (ax > 0)
{
@ -846,7 +822,7 @@ void line(INT16 sx, INT16 sy, INT16 ex, INT16 ey, INT16 col)
{
while (ay)
{
dot(cpx_t,cpy_t,col,cl0);
dot(cpx_t,cpy_t,col & 7,cl0);
if (ay > 0)
{
@ -1025,31 +1001,31 @@ static void HD63484_command_w(UINT16 cmd)
}
else if ((fifo[0] & 0xff00) == 0x8800) /* ALINE */
{
line(cpx,cpy,fifo[1],fifo[2],fifo[0]&7);
line(cpx,cpy,fifo[1],fifo[2],fifo[0] & 0xff);
cpx = (INT16)fifo[1];
cpy = (INT16)fifo[2];
}
else if ((fifo[0] & 0xff00) == 0x8c00) /* RLINE */
{
line(cpx,cpy,cpx+(INT16)fifo[1],cpy+(INT16)fifo[2],fifo[0]&7);
line(cpx,cpy,cpx+(INT16)fifo[1],cpy+(INT16)fifo[2],fifo[0] & 0xff);
cpx += (INT16)fifo[1];
cpy += (INT16)fifo[2];
}
else if ((fifo[0] & 0xfff8) == 0x9000) /* ARCT */
{
line(cpx,cpy,(INT16)fifo[1],cpy,fifo[0]&7);
line((INT16)fifo[1],cpy,(INT16)fifo[1],(INT16)fifo[2],fifo[0]&7);
line((INT16)fifo[1],(INT16)fifo[2],cpx,(INT16)fifo[2],fifo[0]&7);
line(cpx,(INT16)fifo[2],cpx,cpy,fifo[0]&7);
line(cpx,cpy,(INT16)fifo[1],cpy,fifo[0] & 0xff);
line((INT16)fifo[1],cpy,(INT16)fifo[1],(INT16)fifo[2],fifo[0] & 0xff);
line((INT16)fifo[1],(INT16)fifo[2],cpx,(INT16)fifo[2],fifo[0] & 0xff);
line(cpx,(INT16)fifo[2],cpx,cpy,fifo[0] & 0xff);
cpx = (INT16)fifo[1];
cpy = (INT16)fifo[2];
}
else if ((fifo[0] & 0xfff8) == 0x9400) /* RRCT added*/
{
line(cpx,cpy,cpx+(INT16)fifo[1],cpy,fifo[0]&7);
line(cpx+(INT16)fifo[1],cpy,cpx+(INT16)fifo[1],cpy+(INT16)fifo[2],fifo[0]&7);
line(cpx+(INT16)fifo[1],cpy+(INT16)fifo[2],cpx,cpy+(INT16)fifo[2],fifo[0]&7);
line(cpx,cpy+(INT16)fifo[2],cpx,cpy,fifo[0]&7);
line(cpx,cpy,cpx+(INT16)fifo[1],cpy,fifo[0] & 0xff);
line(cpx+(INT16)fifo[1],cpy,cpx+(INT16)fifo[1],cpy+(INT16)fifo[2],fifo[0] & 0xff);
line(cpx+(INT16)fifo[1],cpy+(INT16)fifo[2],cpx,cpy+(INT16)fifo[2],fifo[0] & 0xff);
line(cpx,cpy+(INT16)fifo[2],cpx,cpy,fifo[0] & 0xff);
cpx += (INT16)fifo[1];
cpy += (INT16)fifo[2];
@ -1086,7 +1062,7 @@ static void HD63484_command_w(UINT16 cmd)
{
for (;;)
{
dot(xx,yy,fifo[0] & 0x0007,cl0);
dot(xx,yy,fifo[0] & 0x07,cl0);
if (ax == 0) break;
else if (ax > 0)
@ -1120,17 +1096,23 @@ static void HD63484_command_w(UINT16 cmd)
}
else if ((fifo[0] & 0xfff8) == 0xc400) /* RFRCT added TODO*/
{
line(cpx,cpy,cpx+(INT16)fifo[1],cpy,fifo[0]&7);
line(cpx+fifo[1],cpy,cpx+fifo[1],cpy+fifo[2],fifo[0]&7);
line(cpx+fifo[1],cpy+fifo[2],cpx,cpy+fifo[2],fifo[0]&7);
line(cpx,cpy+fifo[2],cpx,cpy,fifo[0]&7);
line(cpx,cpy,cpx+(INT16)fifo[1],cpy,fifo[0] & 0xff);
line(cpx+fifo[1],cpy,cpx+fifo[1],cpy+fifo[2],fifo[0] & 0xff);
line(cpx+fifo[1],cpy+fifo[2],cpx,cpy+fifo[2],fifo[0] & 0xff);
line(cpx,cpy+fifo[2],cpx,cpy,fifo[0] & 0xff);
cpx=cpx+(INT16)fifo[1];
cpy=cpy+(INT16)fifo[2];
}
else if (fifo[0] == 0xc800) /* PAINT */
{
// int i;
// for (i=-2; i<90; i++)
// line(cpx,cpy+i,cpx+60,cpy+i,0x0000);
}
else if ((fifo[0] & 0xfff8) == 0xcc00) /* DOT */
{
dot(cpx,cpy,fifo[0] & 0x0007,cl0);
dot(cpx,cpy,fifo[0] & 0xff,cl0);
}
else if ((fifo[0] & 0xf000) == 0xd000) /* PTN (to do) */
{