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- Alliance Pro Motion 3210
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- PM 3210 208pin
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- 3C4h index 10h
- bit 0-7 Write 12h to enable extensions.
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- 3C4h index 11h-18h (R):
- Always reads 'AS32iM10' (41h 53h 33h 32h 69h 4Dh 31h 30h) for the PM3210.
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- 3C4h index 1Ah
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- 3C4h index 1Bh
- bit 0-2 Set to 1 to access the memory mapped registers at A000h
- 3 ??
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- 3C4h index 1Ch
- bit 3 Set to access the memory mapped registers at A000h ??
- 5 ?
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- 3d4h index 19h
- bit 0-7 Interlace start (~half Htot ??)
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- 3d4h index 1Ah
- bit 0 Vertical Total bit 10. Bits 0-7 are in 3d4h index 6. ??
- 1 Vertical Display End bit 10. Bits 0-7 are in 3d4h index 12h.
- 2 Vertical Retrace Start bit 10. Bits 0-7 are in 3d4h index 10h ??
- 3 Vertical Blanking Start bit 10. Bits 0-7 are in 3d4h index 15h ??
- 4 Line Compare bit 10. Bits 0-7 are in 3d4h index 18h ??
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- 3d4h index 1Bh
- bit 0 Horizontal Total bit 8. Bits 0-7 are in 3d4h index 0.
- 2 Horizontal Blanking Start bit 8. Bits 0-7 are in 3d4h index 2.
- 3 Horizontal Retrace Start bit 8. Bits 0-7 are in 3d4h index 4.
- 4 Bit 8 of 3d4h index 19h ??
- 5-7 ??
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- 3d4h index 1Ch (R/W):
- bit 0-3 Display Start Address bits 16-19. Bits 0-15 are in 3d4 index 0C,0D
- 4-7 CRTC Offset bits 8-11. Bits 0-7 are in 3d4h index 13h
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- 3d4h index 1Dh (R/W):
- bit 0-2 ??
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- 3d4h index 1Eh (R/W):
- bit 0 ??
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- Memory mapped registers:
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- Mem 00h D()
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- Mem 43h (R/W):
- bit 0-2 Display Pitch ?. 0: 4096?, 1: 640, 2: 800, 4: 1024, 5: 1152, 6: 1280,
- 7: 1600
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- Mem 80h (R/W):
- bit 5
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- Mem C0h W(R/W):
- bit 0-? Bank index in units of 4Kb
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- Mem C4h (R/W):
- bit 0 ??
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- Mem C6h (R/W):
- bit 0-3 ??
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- Mem D0h (R/W):
- bit 0-1 VESA Power State. 0: ON, 1: Stand By, 2: Suspend, 3: Off
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- Mem D8h ??
- bit 0-3 If 3C2h/3CCh bits 2-3 = 3 this is the effective clock selection.
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- Mem F0h
- Bit 0-7 Memory Size in units of 64Kb
- Note: This register is initialised by the BIOS
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- Mem F1h
- Bit 0-7 DAC type? 3: MUSIC MU9c4910, 81h: AT&T 21c498? (ID: 84h, 98h),
- 84h: STG1703, 86h: AT&T 2xc498? (ID: 84h, 09h)
- Note: This register is initialised by the BIOS
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- Mem 7830h ()
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- Mem 7838h D()
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- Mem 783Ch W()
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- Mem 783Eh W()
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- Mem 7840h D()
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- Mem 7846h ()
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- Mem 7847h ()
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- Mem 7848h D()
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- Mem 784Ch D()
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- Mem 7850h D()
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- Mem 7854h D()
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- Mem 7858h D()
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- Mem 7860h D()
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- Mem 7864h D()
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- Mem 78C4h ()
- bit 5
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- Mem 78CAh ()
- bit 0 Test for ??
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- Mem 78D4h ()
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- Mem 78D5h ()
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- Mem 78D6h ()
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- Mem 78DAh ()
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- Mem 7940h ()
- bit 0 Enable hardware cursor
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- Mem 7941h ()
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- Mem 7942h ()
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- Mem 7943h ()
- bit 0
- 1
- 2 ??
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- Mem 7944h W()
- bit 0-? Address of cursor image in units of 1Kbyte
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- Mem 7948h W()
- bit 0-? Cursor X coordinate
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- Mem 794Ah W()
- bit 0-? Cursor Y coordinate
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- Mem 794Ch ()
- bit 0-5 Cursor X hotspot (20h-3Fh for 32x32 cursor ?)
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- Mem 794Dh ()
- bit 0-5 Cursor Y hotspot (20h-3Fh for 32x32 cursor ?)
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- Mem 79FCh W()
- bit 0-? Number of free slots in the write FIFO ?
- 8 Test for ??
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- Mem 79FFh ()
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- Video modes:
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- 28h 640 x 480 P8
- 29h 800 x 600 P8
- 38h 1280 x 1024 PL4
- 58h 800 x 600 PL4
- 5Dh 1024 x 768 PL4
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