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mp_soni2 was trashing so much memory I'm surprised Mame didn't become self aware ;-)

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still haven't figured out what causes mp_gslam to trash part of the screen since we started using the real SMS code for the overlay, nor have I fixed the SMS mixing in interlace mode (soni2) or the incorrect horizontal offset (all games) that were also introduced at that time.
This commit is contained in:
mamehaze 2014-11-21 12:50:48 +00:00
parent f78c73075f
commit ff011d20ef
1 changed files with 13 additions and 5 deletions
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18
src/emu/video/315_5313.c
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@ -163,11 +163,11 @@ void sega315_5313_device::device_start()
if (!m_use_alt_timing) if (!m_use_alt_timing)
m_render_bitmap = auto_bitmap_ind16_alloc(machine(), m_screen->width(), m_screen->height()); m_render_bitmap = auto_bitmap_ind16_alloc(machine(), 320, 512); // allocate maximum sizes we're going to use, it's safer.
else else
m_render_line = auto_alloc_array(machine(), UINT16, m_screen->width()); m_render_line = auto_alloc_array(machine(), UINT16, 320);
m_render_line_raw = auto_alloc_array(machine(), UINT16, m_screen->width()); m_render_line_raw = auto_alloc_array(machine(), UINT16, 320);
// FIXME: are these all needed? I'm pretty sure some of these (most?) are just helpers which don't need to be saved, // FIXME: are these all needed? I'm pretty sure some of these (most?) are just helpers which don't need to be saved,
// but better safe than sorry... // but better safe than sorry...
@ -178,9 +178,9 @@ void sega315_5313_device::device_start()
save_pointer(NAME(m_palette_lookup_sprite), 0x40/2); save_pointer(NAME(m_palette_lookup_sprite), 0x40/2);
save_pointer(NAME(m_palette_lookup_shadow), 0x40/2); save_pointer(NAME(m_palette_lookup_shadow), 0x40/2);
save_pointer(NAME(m_palette_lookup_highlight), 0x40/2); save_pointer(NAME(m_palette_lookup_highlight), 0x40/2);
save_pointer(NAME(m_render_line_raw), m_screen->width()/2); save_pointer(NAME(m_render_line_raw), 320/2);
if (m_use_alt_timing) if (m_use_alt_timing)
save_pointer(NAME(m_render_line), m_screen->width()/2); save_pointer(NAME(m_render_line), 320/2);
m_irq6_on_timer = machine().scheduler().timer_alloc(FUNC(irq6_on_timer_callback), (void*)this); m_irq6_on_timer = machine().scheduler().timer_alloc(FUNC(irq6_on_timer_callback), (void*)this);
m_irq4_on_timer = machine().scheduler().timer_alloc(FUNC(irq4_on_timer_callback), (void*)this); m_irq4_on_timer = machine().scheduler().timer_alloc(FUNC(irq4_on_timer_callback), (void*)this);
@ -2503,8 +2503,16 @@ void sega315_5313_device::render_videobuffer_to_screenbuffer(int scanline)
{ {
UINT16 *lineptr; UINT16 *lineptr;
if (!m_use_alt_timing) if (!m_use_alt_timing)
{
if (scanline >= m_render_bitmap->height()) // safety, shouldn't happen now we allocate a fixed amount tho
return;
lineptr = &m_render_bitmap->pix16(scanline); lineptr = &m_render_bitmap->pix16(scanline);
}
else else
lineptr = m_render_line; lineptr = m_render_line;