diff options
Diffstat (limited to 'src/mame/drivers/xtheball.cpp')
-rw-r--r-- | src/mame/drivers/xtheball.cpp | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/mame/drivers/xtheball.cpp b/src/mame/drivers/xtheball.cpp index a1971a6f27f..eae17c07c2a 100644 --- a/src/mame/drivers/xtheball.cpp +++ b/src/mame/drivers/xtheball.cpp @@ -77,19 +77,18 @@ void xtheball_state::machine_start() TMS340X0_SCANLINE_RGB32_CB_MEMBER(xtheball_state::scanline_update) { - uint16_t *srcbg = &m_vram_bg[(params->rowaddr << 8) & 0xff00]; - uint32_t *dest = &bitmap.pix32(scanline); - const pen_t *pens = m_tlc34076->pens(); + uint16_t const *const srcbg = &m_vram_bg[(params->rowaddr << 8) & 0xff00]; + uint32_t *const dest = &bitmap.pix(scanline); + pen_t const *const pens = m_tlc34076->pens(); int coladdr = params->coladdr; - int x; /* bit stored at 3040130 controls which foreground mode to use */ if (!m_foreground_mode) { /* mode 0: foreground is the same as background */ - uint16_t *srcfg = &m_vram_fg[(params->rowaddr << 8) & 0xff00]; + uint16_t const *const srcfg = &m_vram_fg[(params->rowaddr << 8) & 0xff00]; - for (x = params->heblnk; x < params->hsblnk; x += 2, coladdr++) + for (int x = params->heblnk; x < params->hsblnk; x += 2, coladdr++) { uint16_t fgpix = srcfg[coladdr & 0xff]; uint16_t bgpix = srcbg[coladdr & 0xff]; @@ -102,9 +101,9 @@ TMS340X0_SCANLINE_RGB32_CB_MEMBER(xtheball_state::scanline_update) { /* mode 1: foreground is half background resolution in */ /* X and supports two pages */ - uint16_t *srcfg = &m_vram_fg[(params->rowaddr << 7) & 0xff00]; + uint16_t const *const srcfg = &m_vram_fg[(params->rowaddr << 7) & 0xff00]; - for (x = params->heblnk; x < params->hsblnk; x += 2, coladdr++) + for (int x = params->heblnk; x < params->hsblnk; x += 2, coladdr++) { uint16_t fgpix = srcfg[(coladdr >> 1) & 0xff] >> (8 * (coladdr & 1)); uint16_t bgpix = srcbg[coladdr & 0xff]; |