Epson S1D13504 manual To arrive at the frame rate closest to the desired

Models: S1D13504

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Page 58

Epson Research and Development

 

Vancouver Design Center

 

 

/*

**Register 6: HRTC/FPLINE Start Position - applicable to CRT/TFT only.

*/

*(pRegs + 0x06) = 0x00;

/* 0000 0000 */

/*

 

**Register 7: HRTC/FPLINE Pulse Width - applicable to CRT/TFT only.

*/

*(pRegs + 0x07) = 0x00;

/* 0000

0000*/

/*

 

 

 

** Registers 8-9: Vertical Display Height (VDP) - 240 lines.

**

240 - 1 = 239t = 0xEF

 

 

*/

 

 

 

*(pRegs + 0x08) = 0xEF;

/* 1110

1111 */

*(pRegs + 0x09) = 0x00;

/* 0000

0000 */

/*

 

 

 

** Register A: Vertical Non-Display Period (VNDP)

 

**

This register must be programed with register 5 (HNDP)

**

to arrive at the frame rate closest to the desired

**

frame rate.

 

 

*/

 

 

 

*(pRegs + 0x0A) = 0x01;

/* 0000

0001 */

/*

 

 

 

**Register B: VRTC/FPFRAME Start Position - applicable to CRT/TFT only.

*/

*(pRegs + 0x0B) = 0x00;

/* 0000 0000 */

/*

 

**Register C: VRTC/FPFRAME Pulse Width - applicable to CRT/TFT only.

*/

*(pRegs + 0x0C) = 0x00;

/* 0000 0000 */

/*

 

** Registers E-F: Screen 1 Line Compare - unless setting up for

**

split screen operation use 0x3FF.

 

*/

 

 

 

 

 

*(pRegs + 0x0E) = 0xFF;

/*

1111

1111

*/

*(pRegs + 0x0F) = 0x03;

/*

0000

0011

*/

/*

 

 

 

 

 

** Registers 10-12: Screen 1 Display Start Address - start at the

**

 

first byte in display memory.

 

 

*/

 

 

 

 

 

 

*(pRegs + 0x10) = 0x00;

/* 0000

0000

*/

*(pRegs + 0x11)

=

0x00;

/*

0000

0000

*/

*(pRegs + 0x12)

=

0x00;

/*

0000

0000

*/

/*

** Register 13-15: Screen 2 Display Start Address - not applicable

**

 

unless setting up for split screen operation.

*/

 

 

 

 

 

 

*(pRegs + 0x13) = 0x00;

/* 0000

0000

*/

*(pRegs + 0x14)

=

0x00;

/*

0000

0000

*/

*(pRegs + 0x15)

=

0x00;

/*

0000

0000

*/

S1D13504

Programming Notes and Examples

X19A-G-002-07

Issue Date: 01/02/01

Page 196
Image 196
Epson S1D13504 manual To arrive at the frame rate closest to the desired