74 lines
3.4 KiB
C
74 lines
3.4 KiB
C
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#ifndef WINDOWS_NT
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#define VGA_ATTRIB_ADDR 0x3c0
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#define VGA_ATTRIB_WRITE 0x3c0
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#define VGA_ATTRIB_READ 0x3c1
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#define VGA_MISC 0x3c2
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#define VGA_SEQ_ADDR 0x3c4
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#define VGA_SEQ_DATA 0x3c5
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#define VGA_FEAT 0x3da
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#define VGA_GRAPHIC_ADDR 0x3ce
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#define VGA_GRAPHIC_DATA 0x3cf
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#define VGA_CRT_ADDR 0x3d4
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#define VGA_CRT_DATA 0x3d5
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#define VGA_AUX_ADDR 0x3de
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#define VGA_AUX_DATA 0x3df
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#else
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#define VGA_ATTRIB_ADDR (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[2]) + (0x3c0 - 0x3c0))
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#define VGA_ATTRIB_WRITE (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[2]) + (0x3c0 - 0x3c0))
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#define VGA_ATTRIB_READ (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[2]) + (0x3c1 - 0x3c0))
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#define VGA_MISC (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[2]) + (0x3c2 - 0x3c0))
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#define VGA_SEQ_ADDR (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[2]) + (0x3c4 - 0x3c0))
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#define VGA_SEQ_DATA (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[2]) + (0x3c5 - 0x3c0))
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#define VGA_FEAT (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[3]) + (0x3da - 0x3d4))
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#define VGA_GRAPHIC_ADDR (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[2]) + (0x3ce - 0x3c0))
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#define VGA_GRAPHIC_DATA (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[2]) + (0x3cf - 0x3c0))
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#define VGA_CRT_ADDR (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[3]) + (0x3d4 - 0x3d4))
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#define VGA_CRT_DATA (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[3]) + (0x3d5 - 0x3d4))
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#define VGA_AUX_ADDR (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[4]) + (0x3de - 0x3de))
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#define VGA_AUX_DATA (PVOID) ((ULONG)(((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[4]) + (0x3df - 0x3df))
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#define ADDR_EQUIP_LO (PUCHAR) ((((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[6]))
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#define ADDR_CRT_MODE (PUCHAR) ((((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[7]))
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#define ADDR_MAX_ROW (PUCHAR) ((((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[8]))
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#define VGA_RAM (PUCHAR) ((((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[10]))
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#define VGA_MEM (PUCHAR) ((((PMGA_DEVICE_EXTENSION)pMgaDeviceExtension)->MappedAddress[11]))
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#endif
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typedef struct
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{
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byte featureCtl; /* 0x3da */
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byte seqData[4]; /* 0x3c5 */
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byte mor; /* 0x3c2 */
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byte crtcData[0x19]; /* 0x3d4 */
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byte attrData[0x14]; /* 0x3c0 */
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byte graphicsCtl[9]; /* 0x3ce */
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byte auxilaryReg[15]; /* 0x3de */
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word crtcBasePort;
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byte latchData[4];
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} VideoHardware;
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typedef struct
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{
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int addrEquipementLow;
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byte EquipementLow;
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int addrCRTMode;
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byte CRTMode[0x1e];
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int addrMaxRow;
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byte MaxRow[7];
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int addrSavePtr;
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byte SavePtr[4];
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} VideoData;
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extern void setupVgaHw(void);
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extern void setupVgaData(void);
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extern void loadFont16(void);
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extern void setupVga(void);
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