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taito/rbisland.cpp: More const, fixed commented code.

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This commit is contained in:
Vas Crabb 2022-07-11 03:03:01 +10:00
parent b4be277bc7
commit f7039dfcf1
1 changed files with 6 additions and 7 deletions
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13
src/mame/taito/rbisland.cpp
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@ -486,8 +486,6 @@ void jumping_state::machine_start()
uint32_t jumping_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
int sprite_colbank = (m_sprite_ctrl & 0xe0) >> 1;
m_pc080sn->tilemap_update();
// Override values, or foreground layer is in wrong position
@ -498,9 +496,10 @@ uint32_t jumping_state::screen_update(screen_device &screen, bitmap_ind16 &bitma
m_pc080sn->tilemap_draw(screen, bitmap, cliprect, 0, TILEMAP_DRAW_OPAQUE, 0);
// Draw the sprites. 128 sprites in total
int const sprite_colbank = (m_sprite_ctrl & 0xe0) >> 1;
for (int offs = m_spriteram.bytes() / 2 - 8; offs >= 0; offs -= 8)
{
int tile = m_spriteram[offs];
int const tile = m_spriteram[offs];
if (tile < m_gfxdecode->gfx(1)->elements())
{
int sy = ((m_spriteram[offs + 1] - 0xfff1) ^ 0xffff) & 0x1ff;
@ -508,8 +507,8 @@ uint32_t jumping_state::screen_update(screen_device &screen, bitmap_ind16 &bitma
int sx = (m_spriteram[offs + 2] - 0x38) & 0x1ff;
if (sx > 400) sx = sx - 512;
int data1 = m_spriteram[offs + 3];
int color = (m_spriteram[offs + 4] & 0x0f) | sprite_colbank;
int const data1 = m_spriteram[offs + 3];
int const color = (m_spriteram[offs + 4] & 0x0f) | sprite_colbank;
m_gfxdecode->gfx(0)->transpen(bitmap, cliprect,
tile,
@ -522,7 +521,7 @@ uint32_t jumping_state::screen_update(screen_device &screen, bitmap_ind16 &bitma
m_pc080sn->tilemap_draw(screen, bitmap, cliprect, 1, 0, 0);
#if 0
popmessage(buf,"sprite_ctrl: %04x", m_sprite_ctrl);
popmessage("sprite_ctrl: %04x", m_sprite_ctrl);
#endif
return 0;
}
@ -786,7 +785,7 @@ void rbisland_state::machine_start()
{
base_state::machine_start();
uint8_t *rom = memregion("audiocpu")->base();
uint8_t *const rom = memregion("audiocpu")->base();
membank("soundbank")->configure_entries(0, 4, &rom[0xc000], 0x4000);
}