The-Homebrew-Cloud/Genesis-Plus-GX
2
0
Fork 0
mirror of https://github.com/ekeeke/Genesis-Plus-GX.git synced 2024-12-29 04:31:49 +01:00
Code Issues Packages Projects Releases Wiki Activity

fixed color palette in highlight/normal modes

Browse Source
This commit is contained in:
ekeeke31 2010-01-13 22:05:52 +00:00
parent 7dae5fc15a
commit 9e0ed2567e
2 changed files with 19 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
source/memz80.c
View File

@ -21,7 +21,6 @@
* *
****************************************************************************************/ ****************************************************************************************/
#include "shared.h" #include "shared.h"
#define LOG_PORT 0 /* 1= Log Z80 I/O port accesses */
/* /*
Handlers for access to unused addresses and those which make the Handlers for access to unused addresses and those which make the
@ -72,7 +71,7 @@ static inline unsigned int z80_vdp_r(unsigned int address)
return (vdp_data_r() & 0xff); return (vdp_data_r() & 0xff);
case 0x04: /* CTRL */ case 0x04: /* CTRL */
return (0xfc | ((vdp_ctrl_r() >> 8) & 3)); return (0xfc | (vdp_ctrl_r() >> 8));
case 0x05: /* CTRL */ case 0x05: /* CTRL */
return (vdp_ctrl_r() & 0xff); return (vdp_ctrl_r() & 0xff);
@ -110,7 +109,7 @@ static inline void z80_vdp_w(unsigned int address, unsigned int data)
case 0x10: /* PSG */ case 0x10: /* PSG */
case 0x14: case 0x14:
if (address & 1) psg_write(0, data); if (address & 1) psg_write(1, data);
else z80_unused_w(address, data); else z80_unused_w(address, data);
return; return;
@ -207,7 +206,7 @@ void cpu_writemem16(unsigned int address, unsigned int data)
unsigned int cpu_readport16(unsigned int port) unsigned int cpu_readport16(unsigned int port)
{ {
#if LOG_PORT #if LOGERROR
error("Z80 read port %04X\n", port); error("Z80 read port %04X\n", port);
#endif #endif
return 0xFF; return 0xFF;
@ -215,7 +214,7 @@ unsigned int cpu_readport16(unsigned int port)
void cpu_writeport16(unsigned int port, unsigned int data) void cpu_writeport16(unsigned int port, unsigned int data)
{ {
#if LOG_PORT #if LOGERROR
error("Z80 write %02X to port %04X\n", data, port); error("Z80 write %02X to port %04X\n", data, port);
#endif #endif
} }

65
source/render.c
View File

@ -314,61 +314,23 @@ static __inline__ void WRITE_LONG(void *address, uint32 data)
/* */ /* */
/* normal mode : xxx0 (0-14) */ /* normal mode : xxx0 (0-14) */
/* shadow mode : 0xxx (0-7) */ /* shadow mode : 0xxx (0-7) */
/* highlight mode: 1xxx (8-15) */ /* highlight mode: 1xxx - 1 (7-14) */
/* */ /* */
/* with xxx0 = original 4-bits CRAM value */ /* with xxx0 = original 4-bits CRAM value */
/**************************************************/ /**************************************************/
/* 5:6:5 RGB */
/* This RGB format uses 5 or 6bits color */
/* 4 bits color value need to be dithered */
/* to match the whole color range: */
/* */
/* R,B (5 bits) : yyyyy (0-31) */
/* G (6 bits) : yyyyyy (0-63) */
/* */
/* normal mode : xxx0 (0-14) */
/* 0000 -> 00000 (000000) */
/* 0010 -> 00100 (001000) */
/* 0100 -> 01000 (010001) */
/* 0110 -> 01100 (011001) */
/* 1000 -> 10001 (100010) */
/* 1010 -> 10101 (101010) */
/* 1100 -> 11001 (110011) */
/* 1110 -> 11101 (111011) */
/* */
/* shadow mode : 0xxx (0-7) */
/* 0000 -> 00000 (000000) */
/* 0001 -> 00010 (000100) */
/* 0010 -> 00100 (001000) */
/* 0011 -> 00110 (001100) */
/* 0100 -> 01000 (010001) */
/* 0101 -> 01010 (010101) */
/* 0110 -> 01100 (011001) */
/* 0111 -> 01110 (011101) */
/* */
/* highlight mode: 1xxx (8-15) */
/* 1000 -> 10001 (100010) */
/* 1001 -> 10011 (100110) */
/* 1010 -> 10101 (101010) */
/* 1011 -> 10111 (101110) */
/* 1100 -> 11001 (110011) */
/* 1101 -> 11011 (110111) */
/* 1110 -> 11101 (111011) */
/* 1111 -> 11111 (111111) */
/* */
/******************************************/
#define MAKE_PIXEL_16(r,g,b) (((r) << 12) | (((r) >> 3) << 12) | ((g) << 7) | (((g) >> 2) << 5) | ((b) << 1) | ((b) >> 3) )
#ifndef NGC #ifndef NGC
/* 8:8:8 RGB */ /* 8:8:8 RGB */
#define MAKE_PIXEL_32(r,g,b) ((r) << 20 | (g) << 12 | (b) << 4) #define MAKE_PIXEL_32(r,g,b) ((r) << 20 | (g) << 12 | (b) << 4)
/* 5:5:5 RGB */ /* 5:5:5 RGB */
#define MAKE_PIXEL_15(r,g,b) ((r) << 11 | (g) << 6 | (b) << 1) #define MAKE_PIXEL_15(r,g,b) ((r) << 11 | (g) << 6 | (b) << 1)
/* 3:3:2 RGB */ /* 3:3:2 RGB */
#define MAKE_PIXEL_8(r,g,b) ((r) << 5 | (g) << 2 | ((b) >> 1)) #define MAKE_PIXEL_8(r,g,b) ((r) << 5 | (g) << 2 | (b) >> 1)
#endif #endif
/* 5:6:5 RGB */
#define MAKE_PIXEL_16(r,g,b) ((r) << 12 | (g) << 7 | (b) << 1)
/* Clip data */ /* Clip data */
static clip_t clip[2]; static clip_t clip[2];
@ -442,21 +404,20 @@ static void palette_init(void)
#ifndef NGC #ifndef NGC
pixel_8_lut[0][i] = MAKE_PIXEL_8(r>>1,g>>1,b>>1); pixel_8_lut[0][i] = MAKE_PIXEL_8(r>>1,g>>1,b>>1);
pixel_8_lut[1][i] = MAKE_PIXEL_8(r,g,b); pixel_8_lut[1][i] = MAKE_PIXEL_8(r,g,b);
pixel_8_lut[2][i] = MAKE_PIXEL_8((r>>1)|4,(g>>1)|4,(b>>1)|4); pixel_8_lut[2][i] = MAKE_PIXEL_8((r+7)>>1,(g+7)>>1,(b+7)>>1);
pixel_15_lut[0][i] = MAKE_PIXEL_15(r,g,b); pixel_15_lut[0][i] = MAKE_PIXEL_15(r,g,b);
pixel_15_lut[1][i] = MAKE_PIXEL_15(r<<1,g<<1,b<<1); pixel_15_lut[1][i] = MAKE_PIXEL_15(r<<1,g<<1,b<<1);
pixel_15_lut[2][i] = MAKE_PIXEL_15(r|8,g|8,b|8); pixel_15_lut[2][i] = MAKE_PIXEL_15(r+7,g+7,b+7);
pixel_32_lut[0][i] = MAKE_PIXEL_32(r,g,b); pixel_32_lut[0][i] = MAKE_PIXEL_32(r,g,b);
pixel_32_lut[1][i] = MAKE_PIXEL_32(r<<1,g<<1,b<<1); pixel_32_lut[1][i] = MAKE_PIXEL_32(r<<1,g<<1,b<<1);
pixel_32_lut[2][i] = MAKE_PIXEL_32(r|8,g|8,b|8); pixel_32_lut[2][i] = MAKE_PIXEL_32(r+7,g+7,b+7);
#endif #endif
pixel_16_lut[0][i] = MAKE_PIXEL_16(r,g,b); pixel_16_lut[0][i] = MAKE_PIXEL_16(r,g,b);
pixel_16_lut[1][i] = MAKE_PIXEL_16(r<<1,g<<1,b<<1); pixel_16_lut[1][i] = MAKE_PIXEL_16(r<<1,g<<1,b<<1);
pixel_16_lut[2][i] = MAKE_PIXEL_16(r+7,g+7,b+7);
pixel_16_lut[2][i] = MAKE_PIXEL_16(r|8,g|8,b|8);
} }
} }
@ -1781,7 +1742,7 @@ void render_line(uint32 line, uint32 overscan)
if (!(reg[1] & 0x40) || overscan) if (!(reg[1] & 0x40) || overscan)
{ {
width += 2 * x_offset; width += 2 * x_offset;
memset(&tmp_buf[0x20 - x_offset], 0x00, width); memset(&tmp_buf[0x20 - x_offset], 0x40, width);
} }
else else
{ {
@ -1841,8 +1802,8 @@ void render_line(uint32 line, uint32 overscan)
/* borders */ /* borders */
if (x_offset) if (x_offset)
{ {
memset(&lb[0x20 - x_offset], 0x00, x_offset); memset(&lb[0x20 - x_offset], 0x40, x_offset);
memset(&lb[0x20 + width], 0x00, x_offset); memset(&lb[0x20 + width], 0x40, x_offset);
width += 2 * x_offset; width += 2 * x_offset;
} }
} }