diff options
Diffstat (limited to 'src/mame/video/gstriker.cpp')
-rw-r--r-- | src/mame/video/gstriker.cpp | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/src/mame/video/gstriker.cpp b/src/mame/video/gstriker.cpp deleted file mode 100644 index a77d9a2dbb4..00000000000 --- a/src/mame/video/gstriker.cpp +++ /dev/null @@ -1,62 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Farfetch'd, David Haywood -#include "emu.h" -#include "includes/gstriker.h" - - - -/*** VIDEO UPDATE/START **********************************************/ - -void gstriker_state::video_start() -{ - // Initialize the chip for the score plane - m_tx->set_transparent_pen(0xf); - - // Initialize the chip for the screen plane - m_bg->set_transparent_pen(0xf); - - m_buffered_spriteram = std::make_unique<uint16_t[]>(0x2000); - m_buffered_spriteram2 = std::make_unique<uint16_t[]>(0x2000); - save_pointer(NAME(m_buffered_spriteram), 0x2000); - save_pointer(NAME(m_buffered_spriteram2), 0x2000); -} - -WRITE_LINE_MEMBER(gstriker_state::screen_vblank) -{ - // sprites are two frames ahead - // TODO: probably all Video System games are (Aero Fighters definitely desyncs wrt background) - if(state) - { - memcpy(m_buffered_spriteram.get(), m_CG10103_m_vram, 0x2000); - memcpy(m_buffered_spriteram2.get(), m_buffered_spriteram.get(), 0x2000); - } -} - - -uint32_t gstriker_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - bitmap.fill(m_mixerregs[8]&0x07ff, cliprect); // complete guess, causes green behind test grid in twc94 and blue behind title screen on gstriker - - /* - [4] AAAA BBBB ---- ---- sprite priority number A/B? - [5] xxxx ---- ---- ---- background layer priority number? - [6] xxxx ---- ---- ---- foreground layer priority number? - */ -// popmessage("%04x %04x %04x %04x %04x %04x %04x %04x | %04x %04x %04x %04x %04x %04x %04x %04x", m_mixerregs[0],m_mixerregs[1],m_mixerregs[2],m_mixerregs[3],m_mixerregs[4],m_mixerregs[5],m_mixerregs[6],m_mixerregs[7], m_mixerregs[8],m_mixerregs[9],m_mixerregs[10],m_mixerregs[11],m_mixerregs[12],m_mixerregs[13],m_mixerregs[14],m_mixerregs[15] ); - - m_spr->set_pal_base( (m_mixerregs[0]&0xf000)>>8 ); - m_bg->set_pal_base( (m_mixerregs[1]&0xf000)>>8 ); - m_tx->set_pal_base( (m_mixerregs[2]&0xf000)>>8 ); - - - // Sandwitched screen/sprite0/score/sprite1. Surely wrong, probably needs sprite orthogonality - m_bg->draw( screen, bitmap,cliprect, 0); - - m_spr->draw_sprites(m_buffered_spriteram2.get(), 0x2000, screen, bitmap, cliprect, 0x2, 0x0); - - m_tx->draw(screen, bitmap, cliprect, 0); - - m_spr->draw_sprites(m_buffered_spriteram2.get(), 0x2000, screen, bitmap, cliprect, 0x2, 0x2); - - return 0; -} |