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Diffstat (limited to 'src/devices/video/mb_vcu.cpp')
-rw-r--r--src/devices/video/mb_vcu.cpp30
1 files changed, 13 insertions, 17 deletions
diff --git a/src/devices/video/mb_vcu.cpp b/src/devices/video/mb_vcu.cpp
index 96acc945359..8d0f921be12 100644
--- a/src/devices/video/mb_vcu.cpp
+++ b/src/devices/video/mb_vcu.cpp
@@ -38,20 +38,16 @@ DEFINE_DEVICE_TYPE(MB_VCU, mb_vcu_device, "mb_vcu", "Mazer Blazer custom VCU")
void mb_vcu_device::mb_vcu_vram(address_map &map)
{
- if (!has_configured_map(0))
- map(0x00000, 0x7ffff).ram(); // enough for a 256x256x4 x 2 pages of framebuffer with 4 layers (TODO: doubled for simplicity)
+ map(0x00000, 0x7ffff).ram(); // enough for a 256x256x4 x 2 pages of framebuffer with 4 layers (TODO: doubled for simplicity)
}
void mb_vcu_device::mb_vcu_pal_ram(address_map &map)
{
- if (!has_configured_map(1))
- {
- map(0x0000, 0x00ff).ram();
- map(0x0200, 0x02ff).ram();
- map(0x0400, 0x04ff).ram();
- map(0x0600, 0x06ff).rw(FUNC(mb_vcu_device::mb_vcu_paletteram_r), FUNC(mb_vcu_device::mb_vcu_paletteram_w));
- }
+ map(0x0000, 0x00ff).ram();
+ map(0x0200, 0x02ff).ram();
+ map(0x0400, 0x04ff).ram();
+ map(0x0600, 0x06ff).rw(FUNC(mb_vcu_device::mb_vcu_paletteram_r), FUNC(mb_vcu_device::mb_vcu_paletteram_w));
}
READ8_MEMBER( mb_vcu_device::mb_vcu_paletteram_r )
@@ -68,19 +64,19 @@ WRITE8_MEMBER( mb_vcu_device::mb_vcu_paletteram_w )
/* red component */
bit1 = (m_palram[offset] >> 7) & 0x01;
bit0 = (m_palram[offset] >> 6) & 0x01;
- r = combine_weights(m_weights_r, bit0, bit1);
+ r = combine_2_weights(m_weights_r, bit0, bit1);
/* green component */
bit2 = (m_palram[offset] >> 5) & 0x01;
bit1 = (m_palram[offset] >> 4) & 0x01;
bit0 = (m_palram[offset] >> 3) & 0x01;
- g = combine_weights(m_weights_g, bit0, bit1, bit2);
+ g = combine_3_weights(m_weights_g, bit0, bit1, bit2);
/* blue component */
bit2 = (m_palram[offset] >> 2) & 0x01;
bit1 = (m_palram[offset] >> 1) & 0x01;
bit0 = (m_palram[offset] >> 0) & 0x01;
- b = combine_weights(m_weights_b, bit0, bit1, bit2);
+ b = combine_3_weights(m_weights_b, bit0, bit1, bit2);
m_palette->set_pen_color(offset, rgb_t(r, g, b));
}
@@ -151,8 +147,8 @@ mb_vcu_device::mb_vcu_device(const machine_config &mconfig, const char *tag, dev
: device_t(mconfig, MB_VCU, tag, owner, clock)
, device_memory_interface(mconfig, *this)
, device_video_interface(mconfig, *this)
- , m_videoram_space_config("videoram", ENDIANNESS_LITTLE, 8, 19, 0, address_map_constructor(FUNC(mb_vcu_device::mb_vcu_vram), this))
- , m_paletteram_space_config("palram", ENDIANNESS_LITTLE, 8, 16, 0, address_map_constructor(FUNC(mb_vcu_device::mb_vcu_pal_ram), this))
+ , m_videoram_space_config("videoram", ENDIANNESS_LITTLE, 8, 19, 0, address_map_constructor(), address_map_constructor(FUNC(mb_vcu_device::mb_vcu_vram), this))
+ , m_paletteram_space_config("palram", ENDIANNESS_LITTLE, 8, 16, 0, address_map_constructor(), address_map_constructor(FUNC(mb_vcu_device::mb_vcu_pal_ram), this))
, m_cpu(*this, finder_base::DUMMY_TAG)
, m_palette(*this, finder_base::DUMMY_TAG)
{
@@ -478,19 +474,19 @@ WRITE8_MEMBER( mb_vcu_device::background_color_w )
/* red component */
bit1 = (m_bk_color >> 7) & 0x01;
bit0 = (m_bk_color >> 6) & 0x01;
- r = combine_weights(m_weights_r, bit0, bit1);
+ r = combine_2_weights(m_weights_r, bit0, bit1);
/* green component */
bit2 = (m_bk_color >> 5) & 0x01;
bit1 = (m_bk_color >> 4) & 0x01;
bit0 = (m_bk_color >> 3) & 0x01;
- g = combine_weights(m_weights_g, bit0, bit1, bit2);
+ g = combine_3_weights(m_weights_g, bit0, bit1, bit2);
/* blue component */
bit2 = (m_bk_color >> 2) & 0x01;
bit1 = (m_bk_color >> 1) & 0x01;
bit0 = (m_bk_color >> 0) & 0x01;
- b = combine_weights(m_weights_b, bit0, bit1, bit2);
+ b = combine_3_weights(m_weights_b, bit0, bit1, bit2);
m_palette->set_pen_color(0x100, rgb_t(r, g, b));
}