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Diffstat (limited to 'src/mame/drivers/photon2.c')
-rw-r--r--src/mame/drivers/photon2.c84
1 files changed, 42 insertions, 42 deletions
diff --git a/src/mame/drivers/photon2.c b/src/mame/drivers/photon2.c
index c41bf1788b3..8461549a2ec 100644
--- a/src/mame/drivers/photon2.c
+++ b/src/mame/drivers/photon2.c
@@ -101,10 +101,10 @@ void photon2_state::video_start()
/* return the color to be used inverting FLASHing colors if necessary */
INLINE unsigned char get_display_color (unsigned char color, int invert)
{
- if (invert && (color & 0x80))
- return (color & 0xc0) + ((color & 0x38) >> 3) + ((color & 0x07) << 3);
- else
- return color;
+ if (invert && (color & 0x80))
+ return (color & 0xc0) + ((color & 0x38) >> 3) + ((color & 0x07) << 3);
+ else
+ return color;
}
/* Code to change the FLASH status every 25 frames. Note this must be
@@ -114,12 +114,12 @@ void photon2_state::screen_eof_spectrum(screen_device &screen, bool state)
// rising edge
if (state)
{
- m_spectrum_frame_number++;
- if (m_spectrum_frame_number >= 25)
- {
- m_spectrum_frame_number = 0;
- m_spectrum_flash_invert = !m_spectrum_flash_invert;
- }
+ m_spectrum_frame_number++;
+ if (m_spectrum_frame_number >= 25)
+ {
+ m_spectrum_frame_number = 0;
+ m_spectrum_flash_invert = !m_spectrum_flash_invert;
+ }
}
}
@@ -130,45 +130,45 @@ INLINE void spectrum_plot_pixel(bitmap_ind16 &bitmap, int x, int y, UINT32 color
UINT32 photon2_state::screen_update_spectrum(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
- /* for now do a full-refresh */
- int x, y, b, scrx, scry;
- unsigned short ink, pap;
- unsigned char *attr, *scr;
+ /* for now do a full-refresh */
+ int x, y, b, scrx, scry;
+ unsigned short ink, pap;
+ unsigned char *attr, *scr;
// int full_refresh = 1;
- scr=m_spectrum_video_ram;
+ scr=m_spectrum_video_ram;
bitmap.fill(m_spectrum_port_fe & 0x07, cliprect);
- for (y=0; y<192; y++)
- {
- scrx=SPEC_LEFT_BORDER;
- scry=((y&7) * 8) + ((y&0x38)>>3) + (y&0xC0);
- attr=m_spectrum_video_ram + ((scry>>3)*32) + 0x1800;
+ for (y=0; y<192; y++)
+ {
+ scrx=SPEC_LEFT_BORDER;
+ scry=((y&7) * 8) + ((y&0x38)>>3) + (y&0xC0);
+ attr=m_spectrum_video_ram + ((scry>>3)*32) + 0x1800;
- for (x=0;x<32;x++)
- {
+ for (x=0;x<32;x++)
+ {
/* Get ink and paper colour with bright */
- if (m_spectrum_flash_invert && (*attr & 0x80))
- {
- ink=((*attr)>>3) & 0x0f;
- pap=((*attr) & 0x07) + (((*attr)>>3) & 0x08);
- }
- else
- {
- ink=((*attr) & 0x07) + (((*attr)>>3) & 0x08);
- pap=((*attr)>>3) & 0x0f;
- }
-
- for (b=0x80;b!=0;b>>=1)
- {
- if (*scr&b)
- spectrum_plot_pixel(bitmap,scrx++,SPEC_TOP_BORDER+scry,ink);
- else
- spectrum_plot_pixel(bitmap,scrx++,SPEC_TOP_BORDER+scry,pap);
+ if (m_spectrum_flash_invert && (*attr & 0x80))
+ {
+ ink=((*attr)>>3) & 0x0f;
+ pap=((*attr) & 0x07) + (((*attr)>>3) & 0x08);
+ }
+ else
+ {
+ ink=((*attr) & 0x07) + (((*attr)>>3) & 0x08);
+ pap=((*attr)>>3) & 0x0f;
+ }
+
+ for (b=0x80;b!=0;b>>=1)
+ {
+ if (*scr&b)
+ spectrum_plot_pixel(bitmap,scrx++,SPEC_TOP_BORDER+scry,ink);
+ else
+ spectrum_plot_pixel(bitmap,scrx++,SPEC_TOP_BORDER+scry,pap);
}
- scr++;
- attr++;
+ scr++;
+ attr++;
}
}
@@ -325,7 +325,7 @@ static MACHINE_CONFIG_START( photon2, photon2_state )
MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", photon2_state, spec_interrupt_hack, "screen", 0, 1)
- /* video hardware */
+ /* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(50.08)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */