mirror of
https://github.com/isometimes/rpi4-osdev
synced 2024-11-12 13:20:39 +00:00
Finished block copy example wgt09.c
This commit is contained in:
parent
20a02422e7
commit
ac74e42f24
8 changed files with 294 additions and 124 deletions
|
@ -55,108 +55,8 @@ void getch(void) {
|
||||||
int timer; /* Counts how many times it has been called */
|
int timer; /* Counts how many times it has been called */
|
||||||
int clearcount; /* Counts the number of screen clears. */
|
int clearcount; /* Counts the number of screen clears. */
|
||||||
|
|
||||||
int curx = 0;
|
|
||||||
int cury = 0;
|
|
||||||
|
|
||||||
extern int get_el(void);
|
extern int get_el(void);
|
||||||
|
|
||||||
void debugstr(char *str) {
|
|
||||||
if (curx + (strlen(str) * 8) >= 1920) {
|
|
||||||
curx = 0; cury += 8;
|
|
||||||
}
|
|
||||||
if (cury + 8 >= 1080) {
|
|
||||||
cury = 0;
|
|
||||||
}
|
|
||||||
wtextcolor(vgapal[15]);
|
|
||||||
wouttextxy (curx, cury, NULL, str);
|
|
||||||
|
|
||||||
curx += (strlen(str) * 8);
|
|
||||||
}
|
|
||||||
|
|
||||||
void debugcrlf(void) {
|
|
||||||
curx = 0; cury += 8;
|
|
||||||
}
|
|
||||||
|
|
||||||
void debugch(unsigned char b) {
|
|
||||||
unsigned int n;
|
|
||||||
int c;
|
|
||||||
for(c=4;c>=0;c-=4) {
|
|
||||||
n=(b>>c)&0xF;
|
|
||||||
n+=n>9?0x37:0x30;
|
|
||||||
debugstr((char *)&n);
|
|
||||||
}
|
|
||||||
debugstr(" ");
|
|
||||||
}
|
|
||||||
|
|
||||||
void debughex(unsigned int d) {
|
|
||||||
unsigned int n;
|
|
||||||
int c;
|
|
||||||
for(c=28;c>=0;c-=4) {
|
|
||||||
n=(d>>c)&0xF;
|
|
||||||
n+=n>9?0x37:0x30;
|
|
||||||
debugstr((char *)&n);
|
|
||||||
}
|
|
||||||
debugstr(" ");
|
|
||||||
}
|
|
||||||
|
|
||||||
int get_max_clock()
|
|
||||||
{
|
|
||||||
mbox[0] = 8*4; // Length of message in bytes
|
|
||||||
mbox[1] = MBOX_REQUEST;
|
|
||||||
mbox[2] = MBOX_TAG_GETCLKMAXM; // Tag identifier
|
|
||||||
mbox[3] = 8; // Value size in bytes
|
|
||||||
mbox[4] = 0; // Value size in bytes
|
|
||||||
mbox[5] = 0x3; // Value
|
|
||||||
mbox[6] = 0; // Rate
|
|
||||||
mbox[7] = MBOX_TAG_LAST;
|
|
||||||
|
|
||||||
if (mbox_call(MBOX_CH_PROP)) {
|
|
||||||
if (mbox[5] == 0x3) {
|
|
||||||
return mbox[6];
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
int get_clock_rate()
|
|
||||||
{
|
|
||||||
mbox[0] = 8*4; // Length of message in bytes
|
|
||||||
mbox[1] = MBOX_REQUEST;
|
|
||||||
mbox[2] = MBOX_TAG_GETCLKRATE; // Tag identifier
|
|
||||||
mbox[3] = 8; // Value size in bytes
|
|
||||||
mbox[4] = 0; // Value size in bytes
|
|
||||||
mbox[5] = 0x3; // Value
|
|
||||||
mbox[6] = 0; // Rate
|
|
||||||
mbox[7] = MBOX_TAG_LAST;
|
|
||||||
|
|
||||||
if (mbox_call(MBOX_CH_PROP)) {
|
|
||||||
if (mbox[5] == 0x3) {
|
|
||||||
return mbox[6];
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
int set_clock_rate(unsigned int rate)
|
|
||||||
{
|
|
||||||
mbox[0] = 9*4; // Length of message in bytes
|
|
||||||
mbox[1] = MBOX_REQUEST;
|
|
||||||
mbox[2] = MBOX_TAG_SETCLKRATE; // Tag identifier
|
|
||||||
mbox[3] = 12; // Value size in bytes
|
|
||||||
mbox[4] = 0; // Value size in bytes
|
|
||||||
mbox[5] = 0x3; // Value
|
|
||||||
mbox[6] = rate; // Rate
|
|
||||||
mbox[7] = 0; // Rate
|
|
||||||
mbox[8] = MBOX_TAG_LAST;
|
|
||||||
|
|
||||||
if (mbox_call(MBOX_CH_PROP)) {
|
|
||||||
if (mbox[5] == 0x3 && mbox[6] == rate) {
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
void timer_routine (void)
|
void timer_routine (void)
|
||||||
{
|
{
|
||||||
timer++;
|
timer++;
|
||||||
|
@ -185,8 +85,7 @@ void wgt03()
|
||||||
winittimer ();
|
winittimer ();
|
||||||
wstarttimer (timer_routine, TIMERSPEED);
|
wstarttimer (timer_routine, TIMERSPEED);
|
||||||
|
|
||||||
curx = 0;
|
debugreset();
|
||||||
cury = 0;
|
|
||||||
|
|
||||||
while (!kbhit ())
|
while (!kbhit ())
|
||||||
{
|
{
|
||||||
|
|
98
part12-wgt/examples/wgt09.c
Normal file
98
part12-wgt/examples/wgt09.c
Normal file
|
@ -0,0 +1,98 @@
|
||||||
|
#include "wgt.h"
|
||||||
|
#include "include/mem.h"
|
||||||
|
#include "include/mb.h"
|
||||||
|
|
||||||
|
// ######## REQUIRED FUNCTIONS ########
|
||||||
|
|
||||||
|
unsigned long state0 = 1000;
|
||||||
|
unsigned long state1 = 2000;
|
||||||
|
|
||||||
|
unsigned long rand(void)
|
||||||
|
{
|
||||||
|
unsigned long s1 = state0;
|
||||||
|
unsigned long s0 = state1;
|
||||||
|
|
||||||
|
state0 = s0;
|
||||||
|
s1 ^= s1 << 23;
|
||||||
|
s1 ^= s1 >> 17;
|
||||||
|
s1 ^= s0;
|
||||||
|
s1 ^= s0 >> 26;
|
||||||
|
state1 = s1;
|
||||||
|
|
||||||
|
return state0 + state1;
|
||||||
|
}
|
||||||
|
|
||||||
|
void wait_msec(unsigned int n)
|
||||||
|
{
|
||||||
|
register unsigned long f, t, r;
|
||||||
|
|
||||||
|
// Get the current counter frequency
|
||||||
|
asm volatile ("mrs %0, cntfrq_el0" : "=r"(f));
|
||||||
|
// Read the current counter
|
||||||
|
asm volatile ("mrs %0, cntpct_el0" : "=r"(t));
|
||||||
|
// Calculate expire value for counter
|
||||||
|
t+=((f/1000)*n)/1000;
|
||||||
|
do{asm volatile ("mrs %0, cntpct_el0" : "=r"(r));}while(r<t);
|
||||||
|
}
|
||||||
|
|
||||||
|
// ######## STUB FUNCTIONS ########
|
||||||
|
|
||||||
|
unsigned int kb = 0;
|
||||||
|
|
||||||
|
unsigned int kbhit(void) {
|
||||||
|
kb++;
|
||||||
|
return kb / 500;
|
||||||
|
}
|
||||||
|
|
||||||
|
void getch(void) {
|
||||||
|
wait_msec(0x500000);
|
||||||
|
kb = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
// ######## WGT EXAMPLES ########
|
||||||
|
|
||||||
|
void wgt09()
|
||||||
|
{
|
||||||
|
short i, x, y;
|
||||||
|
block screen1; /* a full screen */
|
||||||
|
block part1; /* part of the screen */
|
||||||
|
|
||||||
|
set_clock_rate(get_max_clock());
|
||||||
|
mem_init();
|
||||||
|
vga256 ();
|
||||||
|
|
||||||
|
for (i = 1; i < 1080; i++)
|
||||||
|
{
|
||||||
|
wsetcolor (vgapal[i % 255]);
|
||||||
|
wline (0, 0, 1919, i);
|
||||||
|
wline (1919, 1079, 0, 1079 - i);
|
||||||
|
}
|
||||||
|
|
||||||
|
screen1 = wnewblock (0, 0, 1919, 1079); /* capture the entire screen */
|
||||||
|
part1 = wnewblock (0, 0, 900, 810); /* get a part of the screen */
|
||||||
|
/* Note that wnewblock allocates the memory for the block */
|
||||||
|
|
||||||
|
wcls (vgapal[0]);
|
||||||
|
|
||||||
|
do {
|
||||||
|
x = rand() % 1920;
|
||||||
|
y = rand() % 1080;
|
||||||
|
wputblock (x, y, part1, 0); /* put the part somewhere */
|
||||||
|
} while (!kbhit ());
|
||||||
|
|
||||||
|
getch ();
|
||||||
|
|
||||||
|
wputblock (0, 0, screen1, 0); /* replace the mess with the */
|
||||||
|
/* original screen */
|
||||||
|
|
||||||
|
getch (); /* get the key */
|
||||||
|
|
||||||
|
wfreeblock (screen1); /* *** make sure to free the memory! */
|
||||||
|
wfreeblock (part1);
|
||||||
|
}
|
||||||
|
|
||||||
|
void main()
|
||||||
|
{
|
||||||
|
wgt09();
|
||||||
|
while (1);
|
||||||
|
}
|
|
@ -37,3 +37,6 @@ enum {
|
||||||
};
|
};
|
||||||
|
|
||||||
unsigned int mbox_call(unsigned char ch);
|
unsigned int mbox_call(unsigned char ch);
|
||||||
|
int get_max_clock();
|
||||||
|
int get_clock_rate();
|
||||||
|
int set_clock_rate(unsigned int rate);
|
||||||
|
|
|
@ -1,4 +1,5 @@
|
||||||
#include "../include/io.h"
|
#include "../include/io.h"
|
||||||
|
#include "../include/mb.h"
|
||||||
|
|
||||||
// The buffer must be 16-byte aligned as only the upper 28 bits of the address can be passed via the mailbox
|
// The buffer must be 16-byte aligned as only the upper 28 bits of the address can be passed via the mailbox
|
||||||
volatile unsigned int __attribute__((aligned(16))) mbox[36];
|
volatile unsigned int __attribute__((aligned(16))) mbox[36];
|
||||||
|
@ -37,3 +38,61 @@ unsigned int mbox_call(unsigned char ch)
|
||||||
}
|
}
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
int get_max_clock()
|
||||||
|
{
|
||||||
|
mbox[0] = 8*4; // Length of message in bytes
|
||||||
|
mbox[1] = MBOX_REQUEST;
|
||||||
|
mbox[2] = MBOX_TAG_GETCLKMAXM; // Tag identifier
|
||||||
|
mbox[3] = 8; // Value size in bytes
|
||||||
|
mbox[4] = 0; // Value size in bytes
|
||||||
|
mbox[5] = 0x3; // Value
|
||||||
|
mbox[6] = 0; // Rate
|
||||||
|
mbox[7] = MBOX_TAG_LAST;
|
||||||
|
|
||||||
|
if (mbox_call(MBOX_CH_PROP)) {
|
||||||
|
if (mbox[5] == 0x3) {
|
||||||
|
return mbox[6];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int get_clock_rate()
|
||||||
|
{
|
||||||
|
mbox[0] = 8*4; // Length of message in bytes
|
||||||
|
mbox[1] = MBOX_REQUEST;
|
||||||
|
mbox[2] = MBOX_TAG_GETCLKRATE; // Tag identifier
|
||||||
|
mbox[3] = 8; // Value size in bytes
|
||||||
|
mbox[4] = 0; // Value size in bytes
|
||||||
|
mbox[5] = 0x3; // Value
|
||||||
|
mbox[6] = 0; // Rate
|
||||||
|
mbox[7] = MBOX_TAG_LAST;
|
||||||
|
|
||||||
|
if (mbox_call(MBOX_CH_PROP)) {
|
||||||
|
if (mbox[5] == 0x3) {
|
||||||
|
return mbox[6];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int set_clock_rate(unsigned int rate)
|
||||||
|
{
|
||||||
|
mbox[0] = 9*4; // Length of message in bytes
|
||||||
|
mbox[1] = MBOX_REQUEST;
|
||||||
|
mbox[2] = MBOX_TAG_SETCLKRATE; // Tag identifier
|
||||||
|
mbox[3] = 12; // Value size in bytes
|
||||||
|
mbox[4] = 0; // Value size in bytes
|
||||||
|
mbox[5] = 0x3; // Value
|
||||||
|
mbox[6] = rate; // Rate
|
||||||
|
mbox[7] = 0; // Rate
|
||||||
|
mbox[8] = MBOX_TAG_LAST;
|
||||||
|
|
||||||
|
if (mbox_call(MBOX_CH_PROP)) {
|
||||||
|
if (mbox[5] == 0x3 && mbox[6] == rate) {
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
|
@ -1,16 +1,16 @@
|
||||||
extern unsigned char _end[];
|
|
||||||
|
|
||||||
// Define the heap
|
// Define the heap
|
||||||
|
|
||||||
|
extern unsigned char _end[];
|
||||||
// unsigned char *HEAP_START = &_end[0]; // End of kernel
|
// unsigned char *HEAP_START = &_end[0]; // End of kernel
|
||||||
|
|
||||||
unsigned char *HEAP_START = (unsigned char *)0x400000; // Top of stack
|
unsigned char *HEAP_START = (unsigned char *)0x400000; // Top of stack
|
||||||
unsigned int HEAP_SIZE = 0x30000000; // Max heap size is 764Mb
|
unsigned int HEAP_SIZE = 0x30000000; // Max heap size is 768Mb
|
||||||
unsigned char *HEAP_END;
|
unsigned char *HEAP_END;
|
||||||
|
|
||||||
// Set up some globals
|
// Set up some static globals
|
||||||
|
|
||||||
unsigned char *freeptr;
|
static unsigned char *freeptr;
|
||||||
unsigned int allocated = 0;
|
static unsigned int bytes_allocated = 0;
|
||||||
|
|
||||||
void mem_init()
|
void mem_init()
|
||||||
{
|
{
|
||||||
|
@ -33,7 +33,7 @@ void *malloc(unsigned int size)
|
||||||
return 0;
|
return 0;
|
||||||
} else {
|
} else {
|
||||||
freeptr += size;
|
freeptr += size;
|
||||||
allocated += size;
|
bytes_allocated += size;
|
||||||
|
|
||||||
return allocated;
|
return allocated;
|
||||||
}
|
}
|
||||||
|
|
|
@ -4,11 +4,14 @@ block abuf; /* pointer to the active screen */
|
||||||
unsigned int currentcolor;
|
unsigned int currentcolor;
|
||||||
short tx = 0,ty = 0,bx = 1919,by = 1079; /* clipping variables */
|
short tx = 0,ty = 0,bx = 1919,by = 1079; /* clipping variables */
|
||||||
|
|
||||||
|
int curx = 0;
|
||||||
|
int cury = 0;
|
||||||
|
|
||||||
wgt_sys WGT_SYS;
|
wgt_sys WGT_SYS;
|
||||||
|
|
||||||
// ######## HELPER FUNCTIONS ########
|
// ######## HELPER FUNCTIONS ########
|
||||||
|
|
||||||
void *memset(void *dest, int val, unsigned len)
|
void *memset(void *dest, unsigned int val, unsigned len)
|
||||||
{
|
{
|
||||||
unsigned int *ptr = dest;
|
unsigned int *ptr = dest;
|
||||||
while (len-- > 0)
|
while (len-- > 0)
|
||||||
|
@ -16,10 +19,11 @@ void *memset(void *dest, int val, unsigned len)
|
||||||
return dest;
|
return dest;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
void *memcpy(void *dest, const void *src, unsigned len)
|
void *memcpy(void *dest, const void *src, unsigned len)
|
||||||
{
|
{
|
||||||
char *d = dest;
|
unsigned int *d = dest;
|
||||||
const char *s = src;
|
const unsigned int *s = src;
|
||||||
while (len--)
|
while (len--)
|
||||||
*d++ = *s++;
|
*d++ = *s++;
|
||||||
return dest;
|
return dest;
|
||||||
|
@ -44,3 +48,46 @@ void wcls (unsigned int col)
|
||||||
{
|
{
|
||||||
memset (abuf, col, WGT_SYS.xres * WGT_SYS.yres);
|
memset (abuf, col, WGT_SYS.xres * WGT_SYS.yres);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
void debugstr(char *str) {
|
||||||
|
if (curx + (strlen(str) * 8) >= 1920) {
|
||||||
|
curx = 0; cury += 8;
|
||||||
|
}
|
||||||
|
if (cury + 8 >= 1080) {
|
||||||
|
cury = 0;
|
||||||
|
}
|
||||||
|
wtextcolor(vgapal[15]);
|
||||||
|
wouttextxy (curx, cury, NULL, str);
|
||||||
|
|
||||||
|
curx += (strlen(str) * 8);
|
||||||
|
}
|
||||||
|
|
||||||
|
void debugcrlf(void) {
|
||||||
|
curx = 0; cury += 8;
|
||||||
|
}
|
||||||
|
|
||||||
|
void debugreset(void) {
|
||||||
|
curx = 0; cury = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
void debugch(unsigned char b) {
|
||||||
|
unsigned int n;
|
||||||
|
int c;
|
||||||
|
for(c=4;c>=0;c-=4) {
|
||||||
|
n=(b>>c)&0xF;
|
||||||
|
n+=n>9?0x37:0x30;
|
||||||
|
debugstr((char *)&n);
|
||||||
|
}
|
||||||
|
debugstr(" ");
|
||||||
|
}
|
||||||
|
|
||||||
|
void debughex(unsigned int d) {
|
||||||
|
unsigned int n;
|
||||||
|
int c;
|
||||||
|
for(c=28;c>=0;c-=4) {
|
||||||
|
n=(d>>c)&0xF;
|
||||||
|
n+=n>9?0x37:0x30;
|
||||||
|
debugstr((char *)&n);
|
||||||
|
}
|
||||||
|
debugstr(" ");
|
||||||
|
}
|
||||||
|
|
|
@ -46,13 +46,19 @@ extern short bx,by,tx,ty;
|
||||||
|
|
||||||
// ######## HELPER FUNCTIONS ########
|
// ######## HELPER FUNCTIONS ########
|
||||||
|
|
||||||
void *memset(void *dest, int val, unsigned len);
|
void *memset(void *dest, unsigned int val, unsigned len);
|
||||||
void *memcpy(void *dest, const void *src, unsigned len);
|
void *memcpy(void *dest, const void *src, unsigned len);
|
||||||
int abs(int i);
|
int abs(int i);
|
||||||
int strlen(const char *str);
|
int strlen(const char *str);
|
||||||
|
|
||||||
// ######## WGT FUNCTIONS ########
|
// ######## WGT FUNCTIONS ########
|
||||||
|
|
||||||
|
void debugstr(char *str);
|
||||||
|
void debugcrlf(void);
|
||||||
|
void debugreset(void);
|
||||||
|
void debugch(unsigned char b);
|
||||||
|
void debughex(unsigned int d);
|
||||||
|
|
||||||
void vga256(void);
|
void vga256(void);
|
||||||
void wsetcolor (unsigned int col);
|
void wsetcolor (unsigned int col);
|
||||||
void wline (short x, short y, short x2, short y2);
|
void wline (short x, short y, short x2, short y2);
|
||||||
|
@ -85,6 +91,7 @@ void wfreeblock (block ptr);
|
||||||
short wgetblockwidth (block ptr);
|
short wgetblockwidth (block ptr);
|
||||||
short wgetblockheight (block ptr);
|
short wgetblockheight (block ptr);
|
||||||
block wnewblock (short x, short y, short x2, short y2);
|
block wnewblock (short x, short y, short x2, short y2);
|
||||||
|
void wputblock (short x, short y, block src, short method);
|
||||||
block wallocblock (short width, short height);
|
block wallocblock (short width, short height);
|
||||||
void wdonetimer (void);
|
void wdonetimer (void);
|
||||||
void winittimer (void);
|
void winittimer (void);
|
||||||
|
|
|
@ -1,6 +1,10 @@
|
||||||
#include "wgt.h"
|
#include "wgt.h"
|
||||||
#include "include/mem.h"
|
#include "include/mem.h"
|
||||||
|
|
||||||
|
// We should replace this with faster version (and xray needs to do the right thing - not sure memcpy is a good replacement)
|
||||||
|
#define fastcopy memcpy
|
||||||
|
#define putxray memcpy
|
||||||
|
|
||||||
block wnewblock (short x, short y, short x2, short y2)
|
block wnewblock (short x, short y, short x2, short y2)
|
||||||
{
|
{
|
||||||
block ptr,orig;
|
block ptr,orig;
|
||||||
|
@ -11,7 +15,7 @@ block wnewblock (short x, short y, short x2, short y2)
|
||||||
|
|
||||||
width = abs (x - x2) + 1;
|
width = abs (x - x2) + 1;
|
||||||
height = abs (y - y2) + 1;
|
height = abs (y - y2) + 1;
|
||||||
size = (int)width * (int)height + 5;
|
size = 4 * ((int)width * (int)height) + 12;
|
||||||
if (x2 < x)
|
if (x2 < x)
|
||||||
{
|
{
|
||||||
temp = x; x = x2; x2 = temp;
|
temp = x; x = x2; x2 = temp;
|
||||||
|
@ -20,14 +24,16 @@ block wnewblock (short x, short y, short x2, short y2)
|
||||||
{
|
{
|
||||||
temp = y; y = y2; y2 = temp;
|
temp = y; y = y2; y2 = temp;
|
||||||
}
|
}
|
||||||
|
|
||||||
ptr = malloc (size);
|
ptr = malloc (size);
|
||||||
if (ptr == NULL)
|
if (ptr == NULL)
|
||||||
return NULL;
|
return NULL;
|
||||||
|
|
||||||
orig = ptr;
|
orig = ptr;
|
||||||
*(short *)ptr = width; /* store the width */
|
*ptr = width; /* store the width */
|
||||||
ptr += 2; /* and height */
|
ptr ++; /* and height */
|
||||||
*(short *)ptr = height;
|
*ptr = height;
|
||||||
ptr += 2;
|
ptr ++;
|
||||||
|
|
||||||
dispofs = y * WGT_SYS.xres + x;
|
dispofs = y * WGT_SYS.xres + x;
|
||||||
temp = width;
|
temp = width;
|
||||||
|
@ -49,16 +55,67 @@ block wallocblock (short width, short height)
|
||||||
block ptr,orig;
|
block ptr,orig;
|
||||||
int size;
|
int size;
|
||||||
|
|
||||||
size = (int)width * (int)height + 5;
|
size = 4 * ((int)width * (int)height) + 12;
|
||||||
ptr = malloc (size);
|
ptr = malloc (size);
|
||||||
if (ptr == NULL)
|
if (ptr == NULL)
|
||||||
return NULL;
|
return NULL;
|
||||||
orig = ptr;
|
orig = ptr;
|
||||||
*(short *)ptr = width; /* store the width */
|
*ptr = width; /* store the width */
|
||||||
ptr += 2;
|
ptr ++;
|
||||||
*(short *)ptr = height; /* and height */
|
*ptr = height; /* and height */
|
||||||
ptr += 2;
|
ptr ++;
|
||||||
|
|
||||||
memset (ptr, 0, size - 4);
|
memset (ptr, 0, (size - 12) / 4);
|
||||||
return orig;
|
return orig;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
void wputblock (short x, short y, block src, short method)
|
||||||
|
{
|
||||||
|
short width, height, display, maxy;
|
||||||
|
short ctr;
|
||||||
|
block dst;
|
||||||
|
|
||||||
|
if (src == NULL)
|
||||||
|
return;
|
||||||
|
width = *src;
|
||||||
|
src ++;
|
||||||
|
height = *src;
|
||||||
|
src ++;
|
||||||
|
|
||||||
|
if (x + width > bx)
|
||||||
|
display = (bx + 1) - x;
|
||||||
|
else display = width;
|
||||||
|
if (x < tx)
|
||||||
|
{
|
||||||
|
src += tx - x;
|
||||||
|
display -= tx - x;
|
||||||
|
x = tx;
|
||||||
|
} /* clip x */
|
||||||
|
if (display <= 0)
|
||||||
|
return;
|
||||||
|
|
||||||
|
maxy = y + height - 1;
|
||||||
|
if (maxy > by)
|
||||||
|
maxy = by;
|
||||||
|
if (y < ty)
|
||||||
|
{
|
||||||
|
src += (ty - y)*width;
|
||||||
|
y = ty;
|
||||||
|
} /* clip y */
|
||||||
|
|
||||||
|
dst = &abuf[y * WGT_SYS.xres + x];
|
||||||
|
if (method == 0)
|
||||||
|
for (ctr = y; ctr <= maxy; ctr++)
|
||||||
|
{
|
||||||
|
fastcopy (dst, src, display);
|
||||||
|
src += width;
|
||||||
|
dst += WGT_SYS.xres;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
for (ctr = y; ctr <= maxy; ctr++)
|
||||||
|
{
|
||||||
|
putxray (dst, src, display);
|
||||||
|
src += width;
|
||||||
|
dst += WGT_SYS.xres;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
Loading…
Reference in a new issue