Remove GLOBAL_VARS micro optimization

This commit is contained in:
simon.kagstrom 2010-02-11 18:56:10 +00:00
parent 46d0980f50
commit 9513dc9849
2 changed files with 1 additions and 147 deletions

View File

@ -24,7 +24,7 @@
// Define this if you want global variables instead of member variables // Define this if you want global variables instead of member variables
#if defined(__i386) || defined(mc68000) || defined(__MC68K__) #if defined(__i386) || defined(mc68000) || defined(__MC68K__)
#define GLOBAL_VARS //#define GLOBAL_VARS
#endif #endif
// Define this if you have a processor that can do unaligned accesses quickly // Define this if you have a processor that can do unaligned accesses quickly

View File

@ -141,96 +141,6 @@ uint16 MultiExpTable[256] = {
0xFFA0, 0xFFA5, 0xFFAA, 0xFFAF, 0xFFF0, 0xFFF5, 0xFFFA, 0xFFFF 0xFFA0, 0xFFA5, 0xFFAA, 0xFFAF, 0xFFF0, 0xFFF5, 0xFFFA, 0xFFFF
}; };
#ifdef GLOBAL_VARS
static uint16 mx[8]; // VIC registers
static uint8 my[8];
static uint8 mx8;
static uint8 ctrl1, ctrl2;
static uint8 lpx, lpy;
static uint8 me, mxe, mye, mdp, mmc;
static uint8 vbase;
static uint8 irq_flag, irq_mask;
static uint8 clx_spr, clx_bgr;
static uint8 ec, b0c, b1c, b2c, b3c, mm0, mm1;
static uint8 sc[8];
static uint8 *ram, *char_rom, *color_ram; // Pointers to RAM and ROM
static C64 *the_c64; // Pointer to C64
static C64Display *the_display; // Pointer to C64Display
static MOS6510 *the_cpu; // Pointer to 6510
static MOS6569 *the_vic; // Pointer to self
static uint8 colors[256]; // Indices of the 16 C64 colors (16 times mirrored to avoid "& 0x0f")
static uint8 ec_color, b0c_color, b1c_color, b2c_color, b3c_color; // Indices for exterior/background colors
static uint8 mm0_color, mm1_color; // Indices for MOB multicolors
static uint8 spr_color[8]; // Indices for MOB colors
static uint8 matrix_line[40]; // Buffer for video line, read in Bad Lines
static uint8 color_line[40]; // Buffer for color line, read in Bad Lines
#ifdef __POWERPC__
static double chunky_tmp[DISPLAY_X/8]; // Temporary line buffer for GameKit speedup
#endif
static uint8 *chunky_ptr; // Pointer in chunky bitmap buffer
static uint8 *chunky_line_start; // Pointer to start of current line in bitmap buffer
static uint8 *fore_mask_ptr; // Pointer in fore_mask_buf
static int xmod; // Number of bytes per row
static uint16 raster_x; // Current raster x position
static uint16 raster_y; // Current raster line
static uint16 irq_raster; // Interrupt raster line
static uint16 dy_start; // Comparison values for border logic
static uint16 dy_stop;
static uint16 rc; // Row counter
static uint16 vc; // Video counter
static uint16 vc_base; // Video counter base
static uint16 x_scroll; // X scroll value
static uint16 y_scroll; // Y scroll value
static uint16 cia_vabase; // CIA VA14/15 video base
static int cycle; // Current cycle in line (1..63)
static int display_idx; // Index of current display mode
static int ml_index; // Index in matrix/color_line[]
static int skip_counter; // Counter for frame-skipping
static uint16 mc[8]; // Sprite data counters
static uint16 mc_base[8]; // Sprite data counter bases
static uint8 spr_coll_buf[0x180]; // Buffer for sprite-sprite collisions and priorities
static uint8 fore_mask_buf[0x180/8]; // Foreground mask for sprite-graphics collisions and priorities
static bool display_state; // true: Display state, false: Idle state
static bool border_on; // Flag: Upper/lower border on
static bool frame_skipped; // Flag: Frame is being skipped
static bool bad_lines_enabled; // Flag: Bad Lines enabled for this frame
static bool lp_triggered; // Flag: Lightpen was triggered in this frame
static bool is_bad_line; // Flag: Current line is Bad Line
static bool draw_this_line; // Flag: This line is drawn on the screen
static bool ud_border_on; // Flag: Upper/lower border on
static bool vblanking; // Flag: VBlank in next cycle
static bool border_on_sample[5]; // Samples of border state at different cycles (1, 17, 18, 56, 57)
static uint8 border_color_sample[DISPLAY_X/8]; // Samples of border color at each "displayed" cycle
static uint16 matrix_base; // Video matrix base
static uint16 char_base; // Character generator base
static uint16 bitmap_base; // Bitmap base
static uint8 ref_cnt; // Refresh counter
static uint8 spr_exp_y; // 8 sprite y expansion flipflops
static uint8 spr_dma_on; // 8 flags: Sprite DMA active
static uint8 spr_disp_on; // 8 flags: Sprite display active
static uint8 spr_draw; // 8 flags: Draw sprite in this line
static uint16 spr_ptr[8]; // Sprite data pointers
static uint8 gfx_data, char_data, color_data, last_char_data;
static uint8 spr_data[8][4]; // Sprite data read
static uint8 spr_draw_data[8][4]; // Sprite data for drawing
static uint32 first_ba_cycle; // Cycle when BA first went low
#endif
/* /*
@ -238,22 +148,11 @@ static uint32 first_ba_cycle; // Cycle when BA first went low
*/ */
MOS6569::MOS6569(C64 *c64, C64Display *disp, MOS6510 *CPU, uint8 *RAM, uint8 *Char, uint8 *Color) MOS6569::MOS6569(C64 *c64, C64Display *disp, MOS6510 *CPU, uint8 *RAM, uint8 *Char, uint8 *Color)
#ifndef GLOBAL_VARS
: ram(RAM), char_rom(Char), color_ram(Color), the_c64(c64), the_display(disp), the_cpu(CPU) : ram(RAM), char_rom(Char), color_ram(Color), the_c64(c64), the_display(disp), the_cpu(CPU)
#endif
{ {
int i; int i;
// Set pointers // Set pointers
#ifdef GLOBAL_VARS
the_vic = this;
the_c64 = c64;
the_display = disp;
the_cpu = CPU;
ram = RAM;
char_rom = Char;
color_ram = Color;
#endif
matrix_base = 0; matrix_base = 0;
char_base = 0; char_base = 0;
bitmap_base = 0; bitmap_base = 0;
@ -527,11 +426,7 @@ void MOS6569::SetState(MOS6569State *vd)
* Trigger raster IRQ * Trigger raster IRQ
*/ */
#ifdef GLOBAL_VARS
static inline void raster_irq(void)
#else
inline void MOS6569::raster_irq(void) inline void MOS6569::raster_irq(void)
#endif
{ {
irq_flag |= 0x01; irq_flag |= 0x01;
if (irq_mask & 0x01) { if (irq_mask & 0x01) {
@ -798,25 +693,13 @@ void MOS6569::TriggerLightpen(void)
* Read a byte from the VIC's address space * Read a byte from the VIC's address space
*/ */
#ifdef GLOBAL_VARS
static inline uint8 read_byte(uint16 adr)
#else
inline uint8 MOS6569::read_byte(uint16 adr) inline uint8 MOS6569::read_byte(uint16 adr)
#endif
{ {
uint16 va = adr | cia_vabase; uint16 va = adr | cia_vabase;
if ((va & 0x7000) == 0x1000) if ((va & 0x7000) == 0x1000)
#ifdef GLOBAL_VARS
return the_vic->LastVICByte = char_rom[va & 0x0fff];
#else
return LastVICByte = char_rom[va & 0x0fff]; return LastVICByte = char_rom[va & 0x0fff];
#endif
else else
#ifdef GLOBAL_VARS
return the_vic->LastVICByte = ram[va];
#else
return LastVICByte = ram[va]; return LastVICByte = ram[va];
#endif
} }
@ -834,14 +717,7 @@ inline void memset8(uint8 *p, uint8 c)
* Video matrix access * Video matrix access
*/ */
#ifdef __i386
inline
#endif
#ifdef GLOBAL_VARS
static void matrix_access(void)
#else
void MOS6569::matrix_access(void) void MOS6569::matrix_access(void)
#endif
{ {
if (the_cpu->BALow) { if (the_cpu->BALow) {
if (the_c64->CycleCounter-first_ba_cycle < 3) if (the_c64->CycleCounter-first_ba_cycle < 3)
@ -859,14 +735,7 @@ void MOS6569::matrix_access(void)
* Graphics data access * Graphics data access
*/ */
#ifdef __i386
inline
#endif
#ifdef GLOBAL_VARS
static void graphics_access(void)
#else
void MOS6569::graphics_access(void) void MOS6569::graphics_access(void)
#endif
{ {
if (display_state) { if (display_state) {
@ -896,11 +765,7 @@ void MOS6569::graphics_access(void)
* Background display (8 pixels) * Background display (8 pixels)
*/ */
#ifdef GLOBAL_VARS
static void draw_background(void)
#else
void MOS6569::draw_background(void) void MOS6569::draw_background(void)
#endif
{ {
uint8 *p = chunky_ptr; uint8 *p = chunky_ptr;
uint8 c; uint8 c;
@ -941,14 +806,7 @@ void MOS6569::draw_background(void)
* Graphics display (8 pixels) * Graphics display (8 pixels)
*/ */
#ifdef __i386
inline
#endif
#ifdef GLOBAL_VARS
static void draw_graphics(void)
#else
void MOS6569::draw_graphics(void) void MOS6569::draw_graphics(void)
#endif
{ {
uint8 *p = chunky_ptr + x_scroll; uint8 *p = chunky_ptr + x_scroll;
uint8 c[4], data; uint8 c[4], data;
@ -1067,11 +925,7 @@ draw_multi:
* Sprite display * Sprite display
*/ */
#ifdef GLOBAL_VARS
inline static void draw_sprites(void)
#else
inline void MOS6569::draw_sprites(void) inline void MOS6569::draw_sprites(void)
#endif
{ {
int i; int i;
int snum, sbit; // Sprite number/bit mask int snum, sbit; // Sprite number/bit mask