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author Michaël Banaan Ananas <happppp@users.noreply.github.com>2012-07-13 12:00:30 +0000
committer Michaël Banaan Ananas <happppp@users.noreply.github.com>2012-07-13 12:00:30 +0000
commita024f673b567c8962f6d711fbdde8e900ebc2c94 (patch)
tree924e298c1807d2d32b66e55542bff936a9077370
parent9fd851aff51ff4fa2af1b7964856a0f740d29b9c (diff)
gfx chip notes
-rw-r--r--src/mame/drivers/gunpey.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/mame/drivers/gunpey.c b/src/mame/drivers/gunpey.c
index a11d2916aab..ce89577bcc1 100644
--- a/src/mame/drivers/gunpey.c
+++ b/src/mame/drivers/gunpey.c
@@ -43,6 +43,34 @@ Notes:
GP_ROM4.525 / SOP44 32M MASK, Graphics
GP_ROM5.622 SOP44 32M MASK, OKI samples
+
+
+AX51101 gfx chip:
+
+Axell Corporation is a Japanese company that specialises in Sound and Graphics (Amusement Graphics) LSI.
+The AG-1 is a sprite system controller meant for the amusement industry, such as pachi-slot machines,
+it has reached end-of-life in about 2005.
+These are the specifications of the Axell AG-1 AX51102A, it should be very similar to the AX51101.
+(excuse the strange grammar, it is a JP->EN translation)
+
+Drawing technique: Sprite system
+Buffer drawing method: Double frame buffer
+Configuration of the character: Configured from 2 or more cells, a cell can be set in units of each dot a horizontal, vertical from 1 to 256 dots
+Maximum character size: 4096 × 4096 dot
+Display the number of sprite: Up to 127 sheets (register 2KB)
+Maximum drawing speed: Dot sec / 2500-35000000 highest
+Color depth: 32,768 colors (5 bits for each RGB)
+Color scheme: Cell character unit can be specified in 256 colors of palettes, and 16 colors
+Scaling: 256 times the resolution of 1/64 to 4 cell character unit
+Semi-transparent processing: Gradation in the unit cell or 32 character
+Intensity modulation: Gradation in the unit cell or 32 character
+Other Features: Rotation, DMA, BitBLT, Built-in flip
+Display resolution: 100 to 600 dots horizontal, 120 to 800 dots vertical
+Virtual screen size: Up to 4096 × 4096 dot
+CGRAM space: 4M-bit minimum, 32M-bit maximum
+Operating frequency: Up to 76MHz
+Release: November 1999
+
*/
#include "emu.h"