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Diffstat (limited to 'src/mame/video/crospang.cpp')
-rw-r--r--src/mame/video/crospang.cpp141
1 files changed, 0 insertions, 141 deletions
diff --git a/src/mame/video/crospang.cpp b/src/mame/video/crospang.cpp
deleted file mode 100644
index 5e83d448063..00000000000
--- a/src/mame/video/crospang.cpp
+++ /dev/null
@@ -1,141 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Pierpaolo Prazzoli, David Haywood
-/*
-
- Cross Pang
- video hardware emulation
-
- -- this seems to be the same as the tumblepop bootleg based hardware
- in tumbleb.cpp
-
-
-*/
-
-#include "emu.h"
-#include "includes/crospang.h"
-
-
-void crospang_state::tilebank_select_w(u16 data)
-{
- logerror("tilebank_select_w %04x\n", data);
-
- m_tilebankselect = (data >> 8) & 3;
-}
-
-
-void crospang_state::tilebank_data_w(u16 data)
-{
- logerror("tilebank_data_w %04x\n", data);
-
- m_tilebank[m_tilebankselect] = data >> 8;
-
- m_fg_layer->mark_all_dirty();
- m_bg_layer->mark_all_dirty();
-}
-
-
-// Bestri performs some unusual operations on the scroll values before writing them
-void crospang_state::bestri_bg_scrolly_w(u16 data)
-{
- // addi.w #$1f8, D0
- // eori.w #$154, D0
- int scroll = (data & 0x3ff) ^ 0x0155;
- m_bg_layer->set_scrolly(0, -scroll + 7);
-}
-
-void crospang_state::bestri_fg_scrolly_w(u16 data)
-{
- // addi.w #$1f8, D0
- // eori.w #$aa, D0
- int scroll = (data & 0x3ff) ^ 0x00ab;
- m_fg_layer->set_scrolly(0, -scroll + 7);
-}
-
-void crospang_state::bestri_fg_scrollx_w(u16 data)
-{
- // addi.w #$400, D1
- // eori.w #$1e0, D1
- int scroll = (data & 0x3ff) ^ 0x1e1;
- m_fg_layer->set_scrollx(0, scroll - 1);
-}
-
-void crospang_state::bestri_bg_scrollx_w(u16 data)
-{
- // addi.w #$3fc, D1
- // eori.w #$3c0, D1
- int scroll = (data & 0x3ff) ^ 0x3c1;
- m_bg_layer->set_scrollx(0, scroll + 3);
-}
-
-
-void crospang_state::fg_scrolly_w(u16 data)
-{
- m_fg_layer->set_scrolly(0, data + 8);
-}
-
-void crospang_state::bg_scrolly_w(u16 data)
-{
- m_bg_layer->set_scrolly(0, data + 8);
-}
-
-void crospang_state::fg_scrollx_w(u16 data)
-{
- m_fg_layer->set_scrollx(0, data);
-}
-
-void crospang_state::bg_scrollx_w(u16 data)
-{
- m_bg_layer->set_scrollx(0, data + 4);
-}
-
-
-void crospang_state::fg_videoram_w(offs_t offset, u16 data, u16 mem_mask)
-{
- COMBINE_DATA(&m_fg_videoram[offset]);
- m_fg_layer->mark_tile_dirty(offset);
-}
-
-void crospang_state::bg_videoram_w(offs_t offset, u16 data, u16 mem_mask)
-{
- COMBINE_DATA(&m_bg_videoram[offset]);
- m_bg_layer->mark_tile_dirty(offset);
-}
-
-TILE_GET_INFO_MEMBER(crospang_state::get_bg_tile_info)
-{
- int data = m_bg_videoram[tile_index];
- int tile = data & 0x03ff;
- int tilebank = (data & 0x0c00) >> 10;
- tile = tile + (m_tilebank[tilebank] << 10);
- int color = (data >> 12) & 0x0f;
-
- SET_TILE_INFO_MEMBER(1, tile, color + 0x20, 0);
-}
-
-TILE_GET_INFO_MEMBER(crospang_state::get_fg_tile_info)
-{
- int data = m_fg_videoram[tile_index];
- int tile = data & 0x03ff;
- int tilebank = (data & 0x0c00) >> 10;
- tile = tile + (m_tilebank[tilebank] << 10);
- int color = (data >> 12) & 0x0f;
-
- SET_TILE_INFO_MEMBER(1, tile, color + 0x10, 0);
-}
-
-
-void crospang_state::video_start()
-{
- m_bg_layer = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(crospang_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 16, 16, 32, 32);
- m_fg_layer = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(crospang_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS, 16, 16, 32, 32);
-
- m_fg_layer->set_transparent_pen(0);
-}
-
-u32 crospang_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- m_bg_layer->draw(screen, bitmap, cliprect, 0, 0);
- m_fg_layer->draw(screen, bitmap, cliprect, 0, 0);
- m_sprgen->draw_sprites(bitmap, cliprect, m_spriteram, 0x400);
- return 0;
-}