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Diffstat (limited to 'src/mame/drivers/bcs3.cpp')
-rw-r--r--src/mame/drivers/bcs3.cpp42
1 files changed, 21 insertions, 21 deletions
diff --git a/src/mame/drivers/bcs3.cpp b/src/mame/drivers/bcs3.cpp
index 8660ded8640..1bb81ef9fc7 100644
--- a/src/mame/drivers/bcs3.cpp
+++ b/src/mame/drivers/bcs3.cpp
@@ -265,24 +265,24 @@ INPUT_PORTS_END
// Official version
u32 bcs3_state::screen_update_bcs3(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
- u8 y,ra,chr,gfx,rat;
- u16 sy=0,ma=0x50,x;
+ u16 sy=0,ma=0x50;
- for (y = 0; y < 12; y++)
+ for (u8 y = 0; y < 12; y++)
{
- for (ra = 0; ra < 10; ra++)
+ for (u8 ra = 0; ra < 10; ra++)
{
- uint16_t *p = &bitmap.pix16(sy++);
- rat = (ra + 1) & 7;
+ uint16_t *p = &bitmap.pix(sy++);
+ u8 const rat = (ra + 1) & 7;
- for (x = ma; x < ma + 28; x++)
+ for (u16 x = ma; x < ma + 28; x++)
{
+ u8 gfx;
if (ra < 8)
{
- chr = m_p_videoram[x] & 0x7f;
+ u8 const chr = m_p_videoram[x] & 0x7f;
/* get pattern of pixels for that character scanline */
- gfx = m_p_chargen[(chr<<3) | rat ] ^ 0xff;
+ gfx = m_p_chargen[(chr<<3) | rat] ^ 0xff;
}
else
gfx = 0xff;
@@ -307,27 +307,27 @@ u32 bcs3_state::screen_update_bcs3(screen_device &screen, bitmap_ind16 &bitmap,
I'm assuming that it only shows a portion of this, with the cursor always in sight. */
u32 bcs3_state::screen_update_bcs3a(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
- u8 y,ra,chr,gfx,rat;
- u16 sy = 0, ma = s_init, x;
- u16 cursor = (m_p_videoram[s_curs] | (m_p_videoram[s_curs+1] << 8)) - 0x3c00 - ma; // get cursor relative position
- rat = cursor / (s_cols+1);
- if (rat > (s_rows-1)) ma += (rat-(s_rows-1)) * (s_cols+1);
+ u16 sy = 0, ma = s_init;
+ u16 const cursor = (m_p_videoram[s_curs] | (m_p_videoram[s_curs+1] << 8)) - 0x3c00 - ma; // get cursor relative position
+ u8 const cw = cursor / (s_cols+1);
+ if (cw > (s_rows-1)) ma += (cw-(s_rows-1)) * (s_cols+1);
- for (y = 0; y < s_rows; y++)
+ for (u8 y = 0; y < s_rows; y++)
{
- for (ra = 0; ra < 10; ra++)
+ for (u8 ra = 0; ra < 10; ra++)
{
- uint16_t *p = &bitmap.pix16(sy++);
- rat = (ra + 1) & 7;
+ uint16_t *p = &bitmap.pix(sy++);
+ u8 const rat = (ra + 1) & 7;
- for (x = ma; x < ma + s_cols; x++)
+ for (u16 x = ma; x < ma + s_cols; x++)
{
+ u8 gfx;
if (ra < 8)
{
- chr = m_p_videoram[x] & 0x7f;
+ u8 const chr = m_p_videoram[x] & 0x7f;
/* get pattern of pixels for that character scanline */
- gfx = m_p_chargen[(chr<<3) | rat ] ^ 0xff;
+ gfx = m_p_chargen[(chr<<3) | rat] ^ 0xff;
}
else
gfx = 0xff;