Philips S1D13505 Table 11-1: HAL Functions (Continued)

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Programming Notes and Examples S1D13505

Issue Date: 01/02/05 X23A-G-003-07

seGetLastUsableByte Determine the offset of the last unreserved usable byte in the display buffer

seGetBytesPerScanline Determine the number of bytes or memory consumed per scan line in current mode

seGetScreenSize Determine the height and width of the display surface in pixels

seSelectBusWidth Select the bus width on the ISA evaluation card

seGetHostBusWidth Determine the bus width set in the HAL_STRUCT

seDisplayEnable Turn the display(s) on/off

seDisplayFifo Turn the FIFO on/off

seDelay Use the frame rate timing to delay for required seconds (requires registers to be initialized)

seGetLinearDispAddr Get a pointer to the logical start address of the display buffer

Advanced HAL Functions:

seSplitInit Initialize split screen variables and setup start addresses

seSplitScreen Set the size of either the top or bottom screen

seVirtInit Initialize virtual screen mode setting x and y sizes

seVirtMove pan/scroll the virtual screen surface(s)

seSetReg Write a Byte value to the specified S1D13505 register

seSetWordReg Write a Word value to the specified S1D13505 register

seSetDwordReg Write a Dword value to the specified S1D13505 register

seGetReg Read a Byte value from the specified S1D13505 register

seGetWordReg Read a Word value from the specified S1D13505 register

seGetDwordReg Read a Dword value from the specified S1D13505 register

seWriteDisplayBytes Write one or more bytes to the display buffer at the specified offset

seWriteDisplayWords Write one or more words to the display buffer at the specified offset

seWriteDisplayDwords Write one or more dwords to the display buffer at the specified offset

seReadDisplayByte Read a byte from the display buffer from the specified offset

seReadDisplayWord Read a word from the display buffer from the specified offset

seReadDisplayDword Read a dword from the display buffer from the specified offset

Color Manipulation:

seSetLut Write to the Look-Up Table (LUT) entries starting at index 0

seGetLut Read from the LUT starting at index 0

seSetLutEntry Write one LUT entry (red, green, blue) at the specified index

seGetLutEntry Read one LUT entry (red, green, blue) from the specified index

seSetBitsPerPixel Set the color depth

seGetBitsPerPixel Determine the current color depth

Drawing:

seSetPixel Draw a pixel at (x,y) in the specified color

seGetPixel R ead pixel’s color at (x,y)

seDrawLine Draw a line from (x1,y1) to (x2,y2) in specified color

seDrawRect Draw a rectangle from (x1,y1) to (x2,y2) in specified color

seDrawEllipse Draw an ellipse centered at (xc,yc) of radius (xr,yr) in specified color

seDrawCircle Draw a circle centered at (x,y) of radius r in specified color

Hardware Cursor:

seInitCursor Initialize hardware cursor registers and variables for use; enable cursor

Table 11-1: HAL Functions (Continued)

Function Description