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defined HVC tables as 'const' for some optimization (?)

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ekeeke31 2010-01-27 07:14:45 +00:00
parent c2dce7520a
commit e2eab7f408
2 changed files with 17 additions and 17 deletions
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20
source/hvc.h
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@ -124,7 +124,7 @@
#define _HVC_H_
/* V counter values for NTSC 192-line display */
uint8 vc_ntsc_192[262] = {
const uint8 vc_ntsc_192[262] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
@ -145,7 +145,7 @@ uint8 vc_ntsc_192[262] = {
};
/* V counter values for NTSC 224-line display */
uint8 vc_ntsc_224[262] = {
const uint8 vc_ntsc_224[262] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
@ -166,7 +166,7 @@ uint8 vc_ntsc_224[262] = {
};
/* V counter values for NTSC 240-line display (invalid mode) */
uint8 vc_ntsc_240[262] = {
const uint8 vc_ntsc_240[262] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
@ -187,7 +187,7 @@ uint8 vc_ntsc_240[262] = {
};
/* V counter values for PAL 192-line display */
uint8 vc_pal_192[313] = {
const uint8 vc_pal_192[313] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
@ -212,7 +212,7 @@ uint8 vc_pal_192[313] = {
};
/* V counter values for PAL 224-line display */
uint8 vc_pal_224[313] = {
const uint8 vc_pal_224[313] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
@ -237,7 +237,7 @@ uint8 vc_pal_224[313] = {
};
/* V counter values for PAL 240-line display */
uint8 vc_pal_240[313] = {
const uint8 vc_pal_240[313] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
@ -276,7 +276,7 @@ uint8 vc_pal_240[313] = {
/* */
/***************************************************************/
uint8 cycle2hc40[3420] =
const uint8 cycle2hc40[3420] =
{
/* end of active display (16 pixels -> 128 Mcycles) , HINT triggered , Vcounter jump */
0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
@ -513,7 +513,7 @@ uint8 cycle2hc40[3420] =
0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
};
uint8 cycle2hc32[3420] =
const uint8 cycle2hc32[3420] =
{
/* end of active display (16 pixels -> 160 Mcycles) , HINT triggered ? , Vcounter jump */
0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
@ -751,8 +751,8 @@ uint8 cycle2hc32[3420] =
0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
};
uint8 *vctab;
uint8 *hctab;
const uint8 *vctab;
const uint8 *hctab;
#endif /* _HVC_H_ */

14
source/vdp.h
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@ -65,13 +65,13 @@ extern uint8 odd_frame;
extern uint8 vdp_pal;
extern uint16 lines_per_frame;
extern uint8 *vctab;
extern uint8 *hctab;
extern uint8 vc_ntsc_224[262];
extern uint8 vc_pal_224[313];
extern uint8 vc_pal_240[313];
extern uint8 cycle2hc32[3420];
extern uint8 cycle2hc40[3420];
extern const uint8 vc_ntsc_224[262];
extern const uint8 vc_pal_224[313];
extern const uint8 vc_pal_240[313];
extern const uint8 cycle2hc32[3420];
extern const uint8 cycle2hc40[3420];
extern const uint8 *vctab;
extern const uint8 *hctab;
/* Function prototypes */
extern void vdp_init(void);