mirror of
https://github.com/deater/dos33fsprogs.git
synced 2025-02-05 21:34:30 +00:00
memories: checkers
This commit is contained in:
Vince Weaver
parent
d4d766a840
commit
be8525de46
@ -31,186 +31,6 @@ static unsigned short stack[128];
|
||||
static unsigned short ax,bx,cx,dx,es;
|
||||
static int cf=0,of=0,zf=0,sf=0;
|
||||
static int sp=0;
|
||||
static unsigned char framebuffer[320*200];
|
||||
|
||||
static SDL_Surface *sdl_screen=NULL;
|
||||
|
||||
struct palette {
|
||||
unsigned char red[256];
|
||||
unsigned char green[256];
|
||||
unsigned char blue[256];
|
||||
};
|
||||
|
||||
static struct palette pal;
|
||||
|
||||
static int mode13h_graphics_init(void) {
|
||||
|
||||
int mode;
|
||||
|
||||
mode=SDL_SWSURFACE|SDL_HWPALETTE|SDL_HWSURFACE;
|
||||
|
||||
if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
|
||||
fprintf(stderr,
|
||||
"Couldn't initialize SDL: %s\n", SDL_GetError());
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Clean up on exit */
|
||||
atexit(SDL_Quit);
|
||||
|
||||
/* assume 32-bit color */
|
||||
sdl_screen = SDL_SetVideoMode(320, 200, 32, mode);
|
||||
|
||||
if ( sdl_screen == NULL ) {
|
||||
fprintf(stderr, "ERROR! Couldn't set 320x200 video mode: %s\n",
|
||||
SDL_GetError());
|
||||
return -1;
|
||||
}
|
||||
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
|
||||
|
||||
SDL_WM_SetCaption("memories -- Linux/C/SDL","memories");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mode13h_graphics_update(unsigned char *buffer, struct palette *pal) {
|
||||
|
||||
unsigned int *t_pointer;
|
||||
|
||||
int x,temp;
|
||||
|
||||
/* point to SDL output pixels */
|
||||
t_pointer=((Uint32 *)sdl_screen->pixels);
|
||||
|
||||
for(x=0;x<320*200;x++) {
|
||||
|
||||
temp=(pal->red[buffer[x]]<<16)|
|
||||
(pal->green[buffer[x]]<<8)|
|
||||
(pal->blue[buffer[x]]<<0)|0;
|
||||
|
||||
t_pointer[x]=temp;
|
||||
}
|
||||
|
||||
SDL_UpdateRect(sdl_screen, 0, 0, 320, 200);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void set_vga_pal(void) {
|
||||
|
||||
/* output of vgapal https://github.com/canidlogic/vgapal */
|
||||
unsigned char raw_pal[3*256]=
|
||||
{ 0, 0, 0, 0, 0, 170, 0, 170, 0, 0, 170, 170,
|
||||
170, 0, 0, 170, 0, 170, 170, 85, 0, 170, 170, 170,
|
||||
85, 85, 85, 85, 85, 255, 85, 255, 85, 85, 255, 255,
|
||||
255, 85, 85, 255, 85, 255, 255, 255, 85, 255, 255, 255,
|
||||
0, 0, 0, 20, 20, 20, 32, 32, 32, 44, 44, 44,
|
||||
56, 56, 56, 69, 69, 69, 81, 81, 81, 97, 97, 97,
|
||||
113, 113, 113, 130, 130, 130, 146, 146, 146, 162, 162, 162,
|
||||
182, 182, 182, 203, 203, 203, 227, 227, 227, 255, 255, 255,
|
||||
0, 0, 255, 65, 0, 255, 125, 0, 255, 190, 0, 255,
|
||||
255, 0, 255, 255, 0, 190, 255, 0, 125, 255, 0, 65,
|
||||
255, 0, 0, 255, 65, 0, 255, 125, 0, 255, 190, 0,
|
||||
255, 255, 0, 190, 255, 0, 125, 255, 0, 65, 255, 0,
|
||||
0, 255, 0, 0, 255, 65, 0, 255, 125, 0, 255, 190,
|
||||
0, 255, 255, 0, 190, 255, 0, 125, 255, 0, 65, 255,
|
||||
125, 125, 255, 158, 125, 255, 190, 125, 255, 223, 125, 255,
|
||||
255, 125, 255, 255, 125, 223, 255, 125, 190, 255, 125, 158,
|
||||
255, 125, 125, 255, 158, 125, 255, 190, 125, 255, 223, 125,
|
||||
255, 255, 125, 223, 255, 125, 190, 255, 125, 158, 255, 125,
|
||||
125, 255, 125, 125, 255, 158, 125, 255, 190, 125, 255, 223,
|
||||
125, 255, 255, 125, 223, 255, 125, 190, 255, 125, 158, 255,
|
||||
182, 182, 255, 199, 182, 255, 219, 182, 255, 235, 182, 255,
|
||||
255, 182, 255, 255, 182, 235, 255, 182, 219, 255, 182, 199,
|
||||
255, 182, 182, 255, 199, 182, 255, 219, 182, 255, 235, 182,
|
||||
255, 255, 182, 235, 255, 182, 219, 255, 182, 199, 255, 182,
|
||||
182, 255, 182, 182, 255, 199, 182, 255, 219, 182, 255, 235,
|
||||
182, 255, 255, 182, 235, 255, 182, 219, 255, 182, 199, 255,
|
||||
0, 0, 113, 28, 0, 113, 56, 0, 113, 85, 0, 113,
|
||||
113, 0, 113, 113, 0, 85, 113, 0, 56, 113, 0, 28,
|
||||
113, 0, 0, 113, 28, 0, 113, 56, 0, 113, 85, 0,
|
||||
113, 113, 0, 85, 113, 0, 56, 113, 0, 28, 113, 0,
|
||||
0, 113, 0, 0, 113, 28, 0, 113, 56, 0, 113, 85,
|
||||
0, 113, 113, 0, 85, 113, 0, 56, 113, 0, 28, 113,
|
||||
56, 56, 113, 69, 56, 113, 85, 56, 113, 97, 56, 113,
|
||||
113, 56, 113, 113, 56, 97, 113, 56, 85, 113, 56, 69,
|
||||
113, 56, 56, 113, 69, 56, 113, 85, 56, 113, 97, 56,
|
||||
113, 113, 56, 97, 113, 56, 85, 113, 56, 69, 113, 56,
|
||||
56, 113, 56, 56, 113, 69, 56, 113, 85, 56, 113, 97,
|
||||
56, 113, 113, 56, 97, 113, 56, 85, 113, 56, 69, 113,
|
||||
81, 81, 113, 89, 81, 113, 97, 81, 113, 105, 81, 113,
|
||||
113, 81, 113, 113, 81, 105, 113, 81, 97, 113, 81, 89,
|
||||
113, 81, 81, 113, 89, 81, 113, 97, 81, 113, 105, 81,
|
||||
113, 113, 81, 105, 113, 81, 97, 113, 81, 89, 113, 81,
|
||||
81, 113, 81, 81, 113, 89, 81, 113, 97, 81, 113, 105,
|
||||
81, 113, 113, 81, 105, 113, 81, 97, 113, 81, 89, 113,
|
||||
0, 0, 65, 16, 0, 65, 32, 0, 65, 48, 0, 65,
|
||||
65, 0, 65, 65, 0, 48, 65, 0, 32, 65, 0, 16,
|
||||
65, 0, 0, 65, 16, 0, 65, 32, 0, 65, 48, 0,
|
||||
65, 65, 0, 48, 65, 0, 32, 65, 0, 16, 65, 0,
|
||||
0, 65, 0, 0, 65, 16, 0, 65, 32, 0, 65, 48,
|
||||
0, 65, 65, 0, 48, 65, 0, 32, 65, 0, 16, 65,
|
||||
32, 32, 65, 40, 32, 65, 48, 32, 65, 56, 32, 65,
|
||||
65, 32, 65, 65, 32, 56, 65, 32, 48, 65, 32, 40,
|
||||
65, 32, 32, 65, 40, 32, 65, 48, 32, 65, 56, 32,
|
||||
65, 65, 32, 56, 65, 32, 48, 65, 32, 40, 65, 32,
|
||||
32, 65, 32, 32, 65, 40, 32, 65, 48, 32, 65, 56,
|
||||
32, 65, 65, 32, 56, 65, 32, 48, 65, 32, 40, 65,
|
||||
44, 44, 65, 48, 44, 65, 52, 44, 65, 60, 44, 65,
|
||||
65, 44, 65, 65, 44, 60, 65, 44, 52, 65, 44, 48,
|
||||
65, 44, 44, 65, 48, 44, 65, 52, 44, 65, 60, 44,
|
||||
65, 65, 44, 60, 65, 44, 52, 65, 44, 48, 65, 44,
|
||||
44, 65, 44, 44, 65, 48, 44, 65, 52, 44, 65, 60,
|
||||
44, 65, 65, 44, 60, 65, 44, 52, 65, 44, 48, 65,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
||||
};
|
||||
|
||||
int i;
|
||||
|
||||
for(i=0;i<256;i++) {
|
||||
pal.red[i]=raw_pal[i*3];
|
||||
pal.green[i]=raw_pal[(i*3)+1];
|
||||
pal.blue[i]=raw_pal[(i*3)+2];
|
||||
|
||||
}
|
||||
return;
|
||||
|
||||
}
|
||||
|
||||
static int graphics_input(void) {
|
||||
|
||||
SDL_Event event;
|
||||
int keypressed;
|
||||
|
||||
while ( SDL_PollEvent(&event)) {
|
||||
|
||||
switch(event.type) {
|
||||
|
||||
case SDL_KEYDOWN:
|
||||
keypressed=event.key.keysym.sym;
|
||||
switch (keypressed) {
|
||||
|
||||
case SDLK_ESCAPE:
|
||||
return 27;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
|
||||
}
|
||||
|
||||
|
||||
static void write_framebuffer(int address, int value) {
|
||||
int real_addr;
|
||||
|
||||
real_addr=address-0xa0000;
|
||||
if ((real_addr<0) || (real_addr>320*200)) return;
|
||||
|
||||
framebuffer[real_addr]=value;
|
||||
|
||||
}
|
||||
|
||||
/* unsigned multiply */
|
||||
static void mul_16(unsigned short value) {
|
||||
@ -474,9 +294,7 @@ static int fx1(int xx, int yy, int xprime) {
|
||||
|
||||
/* checkers */
|
||||
static int fx2(int xx, int yy, int xprime) {
|
||||
return 0;
|
||||
}
|
||||
#if 0
|
||||
|
||||
int color;
|
||||
|
||||
color=((yy&0xff)<<8) | (xprime&0xff);
|
||||
@ -488,7 +306,7 @@ static int fx2(int xx, int yy, int xprime) {
|
||||
return color;
|
||||
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
/* parallax checkerboard */
|
||||
static int fx3(int xx,int yy,int xprime) {
|
||||
@ -729,8 +547,8 @@ int main(int argc, char **argv) {
|
||||
|
||||
which=frame/512;
|
||||
switch (which&0xff) {
|
||||
case 1: color=fx2(xx,yy,xprime); break;
|
||||
case 0: color=fx1(xx,yy,xprime); break;
|
||||
case 0: color=fx2(xx,yy,xprime); break;
|
||||
case 1: color=fx1(xx,yy,xprime); break;
|
||||
case 2: color=fx0(xx,yy,xprime); break;
|
||||
case 3: color=fx3(xx,yy,xprime); break;
|
||||
case 4: color=fx4(xx,yy,xprime); break;
|
||||
|
||||
@ -409,10 +409,10 @@ static int fx0(int xx, int yy, int xprime) {
|
||||
|
||||
char ah,al,dh,dl;
|
||||
unsigned short temp;
|
||||
int color;
|
||||
|
||||
ax=0x1329; // mov ax,0x1329 init
|
||||
|
||||
al=ax&0xff; ah=(ax>>8)&0xff;
|
||||
al=0x29; ah=0x13;
|
||||
dl=xprime; dh=yy;
|
||||
|
||||
|
||||
@ -433,11 +433,11 @@ static int fx0(int xx, int yy, int xprime) {
|
||||
ah=(ax>>8)&0xff;
|
||||
ah=ah^dl; // xor ah,dl
|
||||
al=ah; // mov al,ah
|
||||
ax=((ah&0xff)<<8)|(al&0xff);
|
||||
color=((ah&0xff)<<8)|(al&0xff);
|
||||
|
||||
ax&=0xff1c; // and al,4+8+16
|
||||
color&=0x1c; // and al,4+8+16
|
||||
|
||||
return ax;
|
||||
return color;
|
||||
}
|
||||
|
||||
/* circles? */
|
||||
|
||||
@ -8,11 +8,12 @@ B2D = ../bmp2dhr/b2d
|
||||
|
||||
all: memories.dsk
|
||||
|
||||
memories.dsk: HELLO CIRCLES.BAS CIRCLES
|
||||
memories.dsk: HELLO CIRCLES.BAS CIRCLES CHECKERS
|
||||
cp empty.dsk memories.dsk
|
||||
$(DOS33) -y memories.dsk SAVE A HELLO
|
||||
$(DOS33) -y memories.dsk SAVE A CIRCLES.BAS
|
||||
$(DOS33) -y memories.dsk BSAVE -a 0x070 CIRCLES
|
||||
$(DOS33) -y memories.dsk BSAVE -a 0x070 CHECKERS
|
||||
|
||||
|
||||
CIRCLES: circles.o
|
||||
@ -23,6 +24,15 @@ circles.o: circles.s
|
||||
|
||||
###
|
||||
|
||||
CHECKERS: checkers.o
|
||||
ld65 -o CHECKERS checkers.o -C ../linker_scripts/apple2_70_zp.inc
|
||||
|
||||
checkers.o: checkers.s
|
||||
ca65 -o checkers.o checkers.s -l checkers.lst
|
||||
|
||||
###
|
||||
|
||||
|
||||
HELLO: hello.bas
|
||||
../asoft_basic-utils/tokenize_asoft < hello.bas > HELLO
|
||||
|
||||
@ -33,5 +43,5 @@ CIRCLES.BAS: zooming_circles.bas
|
||||
|
||||
|
||||
clean:
|
||||
rm -f *~ *.o *.lst HELLO CIRCLES.BAS
|
||||
rm -f *~ *.o *.lst HELLO CIRCLES.BAS CIRCLES CHECKERS
|
||||
|
||||
|
||||
4
hellmood_memories/checkers.monitor
Normal file
4
hellmood_memories/checkers.monitor
Normal file
@ -0,0 +1,4 @@
|
||||
CALL -151
|
||||
70: 20 40 FB 2C 52 C0 E6 FC A2 2F A0 27 38 98 E5 FC 85 F1 8A E9 00 45 F1 09 DB 69 01 20 64 F8 8A 20 00 F8 88 10 E7 CA 10 E2 30 DC
|
||||
70G
|
||||
|
||||
87
hellmood_memories/checkers.s
Normal file
87
hellmood_memories/checkers.s
Normal file
@ -0,0 +1,87 @@
|
||||
; Checkers, based on the code in Hellmood's Memories
|
||||
|
||||
; 42 bytes
|
||||
; could be shorter if you're not picky about colors
|
||||
|
||||
; by deater (Vince Weaver) <vince@deater.net>
|
||||
|
||||
; Zero Page
|
||||
BASL = $28
|
||||
BASH = $29
|
||||
H2 = $2C
|
||||
COLOR = $30
|
||||
|
||||
X1 = $F0
|
||||
X2 = $F1
|
||||
Y1 = $F2
|
||||
Y2 = $F3
|
||||
|
||||
TEMP = $FA
|
||||
TEMPY = $FB
|
||||
FRAME = $FC
|
||||
TEMPX = $FD
|
||||
|
||||
|
||||
; Soft Switches
|
||||
KEYPRESS= $C000
|
||||
KEYRESET= $C010
|
||||
SET_GR = $C050 ; Enable graphics
|
||||
FULLGR = $C052 ; Full screen, no text
|
||||
PAGE0 = $C054 ; Page0
|
||||
PAGE1 = $C055 ; Page1
|
||||
LORES = $C056 ; Enable LORES graphics
|
||||
|
||||
; ROM routines
|
||||
|
||||
PLOT = $F800 ; plot, horiz=y, vert=A (A trashed, XY Saved)
|
||||
SETCOL = $F864
|
||||
TEXT = $FB36 ;; Set text mode
|
||||
BASCALC = $FBC1
|
||||
SETGR = $FB40
|
||||
HOME = $FC58 ;; Clear the text screen
|
||||
WAIT = $FCA8 ;; delay 1/2(26+27A+5A^2) us
|
||||
HLINE = $F819
|
||||
|
||||
|
||||
.zeropage
|
||||
|
||||
checkers:
|
||||
|
||||
;===================
|
||||
; init screen
|
||||
jsr SETGR ; 3
|
||||
bit FULLGR ; 3
|
||||
;====
|
||||
; 6
|
||||
checkers_forever:
|
||||
|
||||
inc FRAME ; 2
|
||||
|
||||
ldx #47 ; 2
|
||||
yloop:
|
||||
ldy #39 ; 2
|
||||
xloop:
|
||||
sec
|
||||
tya
|
||||
sbc FRAME
|
||||
sta X2
|
||||
txa
|
||||
sbc #0
|
||||
|
||||
eor X2
|
||||
ora #$DB
|
||||
adc #1
|
||||
|
||||
jsr SETCOL
|
||||
|
||||
txa ; A==Y1 ; 1
|
||||
jsr PLOT ; (X2,Y1) ; 3
|
||||
|
||||
dey ; 1
|
||||
bpl xloop ; 2
|
||||
|
||||
dex ; 1
|
||||
bpl yloop ; 2
|
||||
|
||||
bmi checkers_forever ; 2
|
||||
|
||||
@ -1,3 +1,5 @@
|
||||
' NOTE: SPEEDUPS: Use the 4-way symmetry
|
||||
' ALSO: use data statement and lookup table?
|
||||
1 GR:X=PEEK(49234):A(0)=0:A(1)=5:A(2)=0:A(3)=7
|
||||
2 FOR Y=-24 TO 23: FOR X=-20 TO 19: Z=X*4/3:C=F+(Z*Z+Y*Y)/16: C=C-INT(C/32)*32:COLOR=A(C/8):PLOT X+20,Y+24:NEXT:NEXT:F=F+1: GOTO 2
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user