diff options
Diffstat (limited to 'src/devices/machine/s3c24xx.hxx')
-rw-r--r-- | src/devices/machine/s3c24xx.hxx | 44 |
1 files changed, 18 insertions, 26 deletions
diff --git a/src/devices/machine/s3c24xx.hxx b/src/devices/machine/s3c24xx.hxx index 70500b7d30c..63e8dfbd2d7 100644 --- a/src/devices/machine/s3c24xx.hxx +++ b/src/devices/machine/s3c24xx.hxx @@ -294,20 +294,17 @@ void S3C24_CLASS_NAME::s3c24xx_lcd_dma_init() #if 0 uint32_t S3C24_CLASS_NAME::s3c24xx_lcd_dma_read() { - address_space& space = m_cpu->space( AS_PROGRAM); - uint8_t *vram, data[4]; - vram = (uint8_t *)space.get_read_ptr( m_lcd.vramaddr_cur); + uint8_t data[4]; for (int i = 0; i < 2; i++) { - data[i*2+0] = *vram++; - data[i*2+1] = *vram++; + data[i*2+0] = m_cache->read_byte(m_lcd.vramaddr_cur + 0); + data[i*2+1] = m_cache->read_byte(m_lcd.vramaddr_cur + 1); m_lcd.vramaddr_cur += 2; m_lcd.pagewidth_cur++; if (m_lcd.pagewidth_cur >= m_lcd.pagewidth_max) { m_lcd.vramaddr_cur += m_lcd.offsize << 1; m_lcd.pagewidth_cur = 0; - vram = (uint8_t *)space.get_read_ptr( m_lcd.vramaddr_cur); } } if (m_lcd.hwswp == 0) @@ -337,9 +334,7 @@ uint32_t S3C24_CLASS_NAME::s3c24xx_lcd_dma_read() uint32_t S3C24_CLASS_NAME::s3c24xx_lcd_dma_read() { - address_space& space = m_cpu->space( AS_PROGRAM); - uint8_t *vram, data[4]; - vram = (uint8_t *)space.get_read_ptr( m_lcd.vramaddr_cur); + uint8_t data[4]; for (int i = 0; i < 2; i++) { if (m_lcd.hwswp == 0) @@ -348,39 +343,39 @@ uint32_t S3C24_CLASS_NAME::s3c24xx_lcd_dma_read() { if ((m_lcd.vramaddr_cur & 2) == 0) { - data[i*2+0] = *(vram + 3); - data[i*2+1] = *(vram + 2); + data[i*2+0] = m_cache->read_byte(m_lcd.vramaddr_cur + 3); + data[i*2+1] = m_cache->read_byte(m_lcd.vramaddr_cur + 2); } else { - data[i*2+0] = *(vram - 1); - data[i*2+1] = *(vram - 2); + data[i*2+0] = m_cache->read_byte(m_lcd.vramaddr_cur - 1); + data[i*2+1] = m_cache->read_byte(m_lcd.vramaddr_cur - 2); } } else { - data[i*2+0] = *(vram + 0); - data[i*2+1] = *(vram + 1); + data[i*2+0] = m_cache->read_byte(m_lcd.vramaddr_cur + 0); + data[i*2+1] = m_cache->read_byte(m_lcd.vramaddr_cur + 1); } } else { if (m_lcd.bswp == 0) { - data[i*2+0] = *(vram + 1); - data[i*2+1] = *(vram + 0); + data[i*2+0] = m_cache->read_byte(m_lcd.vramaddr_cur + 1); + data[i*2+1] = m_cache->read_byte(m_lcd.vramaddr_cur + 0); } else { if ((m_lcd.vramaddr_cur & 2) == 0) { - data[i*2+0] = *(vram + 2); - data[i*2+1] = *(vram + 3); + data[i*2+0] = m_cache->read_byte(m_lcd.vramaddr_cur + 2); + data[i*2+1] = m_cache->read_byte(m_lcd.vramaddr_cur + 3); } else { - data[i*2+0] = *(vram - 2); - data[i*2+1] = *(vram - 1); + data[i*2+0] = m_cache->read_byte(m_lcd.vramaddr_cur - 2); + data[i*2+1] = m_cache->read_byte(m_lcd.vramaddr_cur - 1); } } } @@ -390,11 +385,6 @@ uint32_t S3C24_CLASS_NAME::s3c24xx_lcd_dma_read() { m_lcd.vramaddr_cur += m_lcd.offsize << 1; m_lcd.pagewidth_cur = 0; - vram = (uint8_t *)space.get_read_ptr( m_lcd.vramaddr_cur); - } - else - { - vram += 2; } } if (m_flags & S3C24XX_INTERFACE_LCD_REVERSE) @@ -758,6 +748,8 @@ void S3C24_CLASS_NAME::s3c24xx_video_start() { m_lcd.bitmap[0] = std::make_unique<bitmap_rgb32>(m_screen->width(), m_screen->height()); m_lcd.bitmap[1] = std::make_unique<bitmap_rgb32>(m_screen->width(), m_screen->height()); + + m_cache = m_cpu->space(AS_PROGRAM).cache<2, 0, ENDIANNESS_LITTLE>(); } void S3C24_CLASS_NAME::bitmap_blend( bitmap_rgb32 &bitmap_dst, bitmap_rgb32 &bitmap_src_1, bitmap_rgb32 &bitmap_src_2) |