KONAMI M2 HARDWARE ' I' R3 N$ O8 d2 e/ s
1998KONAMI就相继公布了基于M2互换机版的街机游戏开发.曾经在3D技术上吃了不少亏的KONAMI此时已经在硬件和软件技术上走到了业界前列。
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Main CPU : 2 x IBM PowerPC 602 EMPPC602FB66 + c) _7 i4 N* t3 s5 r
Custom ASICs
Y" a( U# E& T7 g' v; u' kBDA:
# o3 a/ r. Q/ H; r; B8 z7 M, TMemory control, system control, and video/graphic control 0 Z$ I$ L( @) z" G6 _
Full triangle renderer including setup engine, MPEG-1 decoder hardware, DSP for audio and various kinds of DMA control and port access
$ n( z& X% S i6 s. ^Random access of frame buffer and z-buffer (actually w-buffer) possible at the same time
+ L8 s6 A" F9 _; R1 fCDE: Power bus connected to BDA and the two CPUs, "bio-bus" used as a low-speed bus for peripheral hardware 7 D1 H7 y/ A/ j+ W! U" j
Renderer capabilities:
: u$ y" \. C; V r* v1 million un-textured triangles/s geometry rate
# f* T7 C1 Z$ u. `; U1 a0 u100 million pixels/s fill rate
, y0 n2 M. o( dreportedly 700,000 textured polygons/s *without* gouraud shading or additional effects
) M3 @0 h' d- g" O% Hreportedly 300,000 to 500,000 textured polygons/s *with* gouraud shading, lighting and effects - P/ R% N4 r1 x8 _
Shading: flat shading and gouraud shading, texture mapping, decal, modulation blending, tiling (16K/128K texture buffer built-in)
3 j {" M& X1 j$ tHardware z-buffer (16-bit) (actually a block floating point with multiple (4) range w-buffer), object-based full-scene anti-aliasing, alpha channel (4-bit or 7-bit)
; H) {3 c. x- N1 YResolution : 320x240 to 640x480 resolution at 24-bit color
( i, ^% H7 ~, N: i+ i- kSound hardware - 16-bit 32-channel DSP at 66 MHz (within BDA chip) " T$ Y) J8 f4 }; ?8 Q, h7 j
Media - Quad-speed CD-ROM drive (600 KB/s)
1 H$ @& w2 K9 LRAM - Unified memory subsystem with 8 MB/s, 64-bit bus resulting in peak 533 MB/s bandwidth, Average access 400 MB/s.
o$ n; c! N0 r6 p6 I& I, RFull Motion Video - MPEG-1 ) ] S0 r8 C! G9 ~' X {$ Z% v
Writable Storage - Memory cards from 128 KiB to 32 MiB ! ~8 \. V( H. F0 w7 B% i; ^
Expansion Capabilities - 1 PCMCIA port (potentially used for Modems, Ethernet NICs, etc.) . `0 ^- l* u' Q! X5 v2 T
Roms : 8x CD Rom LW and Rom Bios
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