mirror of
https://github.com/deater/dos33fsprogs.git
synced 2025-01-26 16:33:43 +00:00
Merge branch 'master' of git://github.com/deater/dos33fsprogs
This commit is contained in:
Vince Weaver
commit
78a5b0e76e
@ -595,3 +595,68 @@ int basic_vlin(int y1, int y2, int at) {
|
||||
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return 0;
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}
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short gr_addr_lookup[48]={
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0x400,0x480,0x500,0x580,0x600,0x680,0x700,0x780,
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0x428,0x4a8,0x528,0x5a8,0x628,0x6a8,0x728,0x7a8,
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0x450,0x4d0,0x550,0x5d0,0x650,0x6d0,0x750,0x7d0,
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};
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int grsim_put_sprite(unsigned char *sprite_data, int xpos, int ypos) {
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unsigned char i;
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unsigned char *ptr;
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short address;
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ptr=sprite_data;
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x=*ptr;
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ptr++;
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ram[CV]=*ptr;
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ptr++;
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while(1) {
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address=gr_addr_lookup[ypos/2];
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address+=xpos;
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for(i=0;i<x;i++) {
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a=*ptr;
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if (a==0) {
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}
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else if ((a&0xf0)==0) {
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ram[address]&=0xf0;
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ram[address]|=a;
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}
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else if ((a&0x0f)==0) {
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ram[address]&=0x0f;
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ram[address]|=a;
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}
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else {
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ram[address]=a;
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}
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ptr++;
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address++;
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}
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ypos++;
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ram[CV]--;
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if (ram[CV]==0) break;
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}
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return 0;
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}
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int gr_copy(short source, short dest) {
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short dest_addr,source_addr;
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int i,j;
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for(i=0;i<8;i++) {
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source_addr=gr_addr_lookup[i]+0x400;
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dest_addr=gr_addr_lookup[i];
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for(j=0;j<120;j++) {
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ram[dest_addr+j]=ram[source_addr+j];
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}
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}
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return 0;
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}
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@ -11,4 +11,5 @@ int bload(char *filename, int address);
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int scrn(unsigned char xcoord, unsigned char ycoord);
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int grsim_unrle(unsigned char *rle_data, int address);
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int home(void);
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int grsim_put_sprite(unsigned char *sprite_data, int xpos, int ypos);
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int gr_copy(short source, short dest);
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24
gr-sim/tfv.c
24
gr-sim/tfv.c
@ -32,23 +32,45 @@ static unsigned char title_rle[]=
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};
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static unsigned char test_sprite[]={
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0x8,0x4,
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0x55,0x50,0x00,0x00,0x00,0x00,0x00,0x00,
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0x55,0x55,0x55,0x00,0x00,0x00,0x00,0x00,
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0xff,0x1f,0x4f,0x2f,0xff,0x22,0x20,0x00,
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0x5f,0x5f,0x5f,0x5f,0xff,0xf2,0xf2,0xf2,
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};
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int main(int argc, char **argv) {
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int ch;
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int x,y;
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grsim_init();
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/* Title Screen */
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grsim_unrle(title_rle,0x400);
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grsim_unrle(title_rle,0x800);
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gr_copy(0x800,0x400);
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grsim_update();
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x=20; y=21;
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color_equals(0);
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while(1) {
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ch=grsim_input();
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if (ch=='q') break;
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if (ch=='i') if (y>0) y-=2;
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if (ch=='m') if (y<39) y+=2;
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if (ch=='j') if (x>0) x--;
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if (ch=='k') if (x<39) x++;
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gr_copy(0x800,0x400);
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grsim_put_sprite(test_sprite,x,y);
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grsim_update();
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usleep(100000);
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}
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@ -6,12 +6,12 @@ PNG2GR = ../gr-utils/png2gr
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all: tfv.dsk
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tfv.dsk: TITLE.GR TFV ED
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$(DOS33) -y tfv.dsk BSAVE -a 0xc00 TFV
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$(DOS33) -y tfv.dsk BSAVE -a 0x1000 TFV
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$(DOS33) -y tfv.dsk BSAVE -a 0x400 TITLE.GR
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$(DOS33) -y tfv.dsk BSAVE -a 0x900 ED
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TFV: tfv.o
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ld65 -o TFV tfv.o -C ./apple2_c00.inc
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ld65 -o TFV tfv.o -C ./apple2_1000.inc
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tfv.o: tfv.s title.inc
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ca65 -o tfv.o tfv.s -l tfv.lst
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@ -27,3 +27,4 @@ TITLE.GR: title.png
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clean:
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rm -f *~ TITLE.GR *.o *.lst ED
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12
tfv/apple2_1000.inc
Normal file
12
tfv/apple2_1000.inc
Normal file
@ -0,0 +1,12 @@
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MEMORY {
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ZP: start = $00, size = $1A, type = rw;
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RAM: start = $1000, size = $8E00, file = %O;
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}
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SEGMENTS {
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CODE: load = RAM, type = ro;
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RODATA: load = RAM, type = ro;
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DATA: load = RAM, type = rw;
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BSS: load = RAM, type = bss, define = yes;
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ZEROPAGE: load = ZP, type = zp;
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}
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BIN
tfv/tfv.dsk
BIN
tfv/tfv.dsk
Binary file not shown.
361
tfv/tfv.s
361
tfv/tfv.s
@ -1,14 +1,22 @@
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.define EQU =
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KEYPRESS EQU $C000
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KEYRESET EQU $C010
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;; SOFT SWITCHES
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GR EQU $C050
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TEXT EQU $C051
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FULLGR EQU $C052
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TEXTGR EQU $C053
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PAGE0 EQU $C054
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PAGE1 EQU $C055
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LORES EQU $C056
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HIRES EQU $C057
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GR EQU $C050
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TEXT EQU $C051
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FULLGR EQU $C052
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TEXTGR EQU $C053
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PAGE0 EQU $C054
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PAGE1 EQU $C055
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LORES EQU $C056
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HIRES EQU $C057
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PADDLE_BUTTON0 EQU $C061
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PADDL0 EQU $C064
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PTRIG EQU $C070
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;; MONITOR ROUTINES
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HLINE EQU $F819 ;; HLINE Y,$2C at A
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@ -38,11 +46,20 @@ H2 EQU $2C
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V2 EQU $2D
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MASK EQU $2E
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COLOR EQU $30
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FIRST EQU $F0
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TEMP EQU $FA
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RUN EQU $FA
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TEMP2 EQU $FB
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FIRST EQU $F0
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LASTKEY EQU $F1
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PADDLE_STATUS EQU $F2
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XPOS EQU $F3
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YPOS EQU $F4
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TEMP EQU $FA
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RUN EQU $FA
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TEMP2 EQU $FB
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TEMPY EQU $FB
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INL EQU $FC
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INH EQU $FD
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OUTL EQU $FE
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OUTH EQU $FF
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;=============================
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; set low-res graphics, page 0
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@ -55,6 +72,10 @@ TEMP2 EQU $FB
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;=================
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jsr CLRTOP
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lda #$c
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sta BASH
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lda #$0
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sta BASL ; load image off-screen 0xc00
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lda #>(title_image)
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sta GBASH
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@ -62,14 +83,71 @@ TEMP2 EQU $FB
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sta GBASL
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jsr load_rle_gr
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jsr gr_copy
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lda #20
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sta YPOS
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lda #20
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sta XPOS
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main_loop:
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jsr gr_copy
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jsr put_sprite
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jsr wait_until_keypressed
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lda LASTKEY
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cmp #('Q')
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beq exit
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cmp #('I')
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bne check_down
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dec YPOS
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dec YPOS
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check_down:
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cmp #('M')
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bne check_left
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inc YPOS
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inc YPOS
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check_left:
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cmp #('J')
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bne check_right
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dec XPOS
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check_right:
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cmp #('K')
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bne check_done
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inc XPOS
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check_done:
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jmp main_loop
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exit:
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lda #$4
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sta BASH
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lda #$0
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sta BASL ; 0x400 is GR page 0
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sta BASL ; restore to 0x400 (page 0)
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; copy to 0x400 (page 0)
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; call home
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jsr HOME
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; Return to BASIC?
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rts
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;=====================================================================
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;= ROUTINES
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;=====================================================================
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;=================
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; load RLE image
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;=================
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@ -188,4 +266,261 @@ set_gr_page0:
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bit GR ; set graphics
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rts
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;=========================================================
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; gr_copy
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;=========================================================
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; for now copy 0xc00 to 0x400
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; 2 + 8*38 + 4*80*23 + 4*120*26 + 13 = 20,159 = 20ms = 50Hz
|
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;
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gr_copy:
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ldx #0 ; set y to zero ; 2
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|
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gr_copy_loop:
|
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stx TEMP ; save y ; 3
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txa ; move to A ; 2
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asl ; mult by 2 ; 2
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tay ; put into Y ; 2
|
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lda gr_offsets,Y ; lookup low byte for line addr ; 5
|
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sta OUTL ; out and in are the same ; 3
|
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sta INL ; 3
|
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lda gr_offsets+1,Y ; lookup high byte for line addr ; 5
|
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sta OUTH ; 3
|
||||
adc #$8 ; for now, fixed 0xc ; 2
|
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sta INH ; 3
|
||||
ldx TEMP ; restore y ; 3
|
||||
|
||||
ldy #0 ; set X counter to 0 ; 2
|
||||
gr_copy_line:
|
||||
lda (INL),Y ; load a byte ; 5
|
||||
sta (OUTL),Y ; store a byte ; 6
|
||||
iny ; increment pointer ; 2
|
||||
|
||||
cpx #$4 ; don't want to copy bottom 4*40 ; 2
|
||||
bcs gr_copy_above4 ; 3
|
||||
|
||||
gr_copy_below4:
|
||||
cpy #120 ; for early ones, copy 120 bytes ; 2
|
||||
bne gr_copy_line ; 3
|
||||
beq gr_copy_line_done ; 3
|
||||
|
||||
gr_copy_above4: ; for last four, just copy 80 bytes
|
||||
cpy #80 ; 2
|
||||
bne gr_copy_line ; 3
|
||||
|
||||
gr_copy_line_done:
|
||||
inx ; increment y value ; 2
|
||||
cpx #8 ; there are 8 of them ; 2
|
||||
bne gr_copy_loop ; if not, loop ; 3
|
||||
rts ; 6
|
||||
|
||||
;==========================================================
|
||||
; Wait until keypressed
|
||||
;==========================================================
|
||||
;
|
||||
|
||||
wait_until_keypressed:
|
||||
lda KEYPRESS ; check if keypressed
|
||||
bpl wait_until_keypressed ; if not, loop
|
||||
jmp figure_out_key
|
||||
|
||||
|
||||
;==========================================================
|
||||
; Get Key
|
||||
;==========================================================
|
||||
;
|
||||
|
||||
get_key:
|
||||
|
||||
check_paddle_button:
|
||||
|
||||
; check for paddle button
|
||||
|
||||
bit PADDLE_BUTTON0
|
||||
bpl no_button
|
||||
lda #' '+128
|
||||
jmp save_key
|
||||
|
||||
no_button:
|
||||
lda KEYPRESS
|
||||
bpl no_key
|
||||
|
||||
figure_out_key:
|
||||
cmp #' '+128 ; the mask destroys space
|
||||
beq save_key ; so handle it specially
|
||||
|
||||
and #$5f ; mask, to make upper-case
|
||||
check_right_arrow:
|
||||
cmp #$15
|
||||
bne check_left_arrow
|
||||
lda #'K'
|
||||
check_left_arrow:
|
||||
cmp #$08
|
||||
bne check_up_arrow
|
||||
lda #'J'
|
||||
check_up_arrow:
|
||||
cmp #$0B
|
||||
bne check_down_arrow
|
||||
lda #'I'
|
||||
check_down_arrow:
|
||||
cmp #$0A
|
||||
bne check_escape
|
||||
lda #'M'
|
||||
check_escape:
|
||||
cmp #$1B
|
||||
bne save_key
|
||||
lda #'Q'
|
||||
jmp save_key
|
||||
|
||||
no_key:
|
||||
bit PADDLE_STATUS
|
||||
bpl no_key_store
|
||||
|
||||
; check for paddle action
|
||||
; code from http://web.pdx.edu/~heiss/technotes/aiie/tn.aiie.06.html
|
||||
|
||||
inc PADDLE_STATUS
|
||||
lda PADDLE_STATUS
|
||||
and #$03
|
||||
beq check_paddles
|
||||
jmp no_key_store
|
||||
|
||||
check_paddles:
|
||||
lda PADDLE_STATUS
|
||||
and #$80
|
||||
sta PADDLE_STATUS
|
||||
|
||||
ldx #$0
|
||||
LDA PTRIG ;TRIGGER PADDLES
|
||||
LDY #0 ;INIT COUNTER
|
||||
NOP ;COMPENSATE FOR 1ST COUNT
|
||||
NOP
|
||||
PREAD2: LDA PADDL0,X ;COUNT EVERY 11 uSEC.
|
||||
BPL RTS2D ;BRANCH WHEN TIMED OUT
|
||||
INY ;INCREMENT COUNTER
|
||||
BNE PREAD2 ;CONTINUE COUNTING
|
||||
DEY ;COUNTER OVERFLOWED
|
||||
RTS2D: ;RETURN W/VALUE 0-255
|
||||
|
||||
cpy #96
|
||||
bmi paddle_left
|
||||
cpy #160
|
||||
bmi no_key_store
|
||||
lda #'K'
|
||||
jmp save_key
|
||||
paddle_left:
|
||||
lda #'J'
|
||||
jmp save_key
|
||||
|
||||
no_key_store:
|
||||
lda #0 ; no key, so save a zero
|
||||
|
||||
save_key:
|
||||
sta LASTKEY ; save the key to our buffer
|
||||
bit KEYRESET ; clear the keyboard buffer
|
||||
rts
|
||||
|
||||
;=============================================
|
||||
; put_sprite
|
||||
;=============================================
|
||||
put_sprite:
|
||||
|
||||
lda #>tb1_sprite ; hardcoded for tb1 for now
|
||||
sta INH
|
||||
lda #<tb1_sprite
|
||||
sta INL
|
||||
|
||||
ldy #0 ; byte 0 is xsize
|
||||
lda (INL),Y
|
||||
sta CH
|
||||
iny
|
||||
|
||||
lda (INL),Y ; byte 1 is ysize
|
||||
sta CV
|
||||
iny
|
||||
|
||||
lda YPOS ; make a copy of ypos
|
||||
sta TEMPY ; as we modify it
|
||||
|
||||
put_sprite_loop:
|
||||
sty TEMP ; save sprite pointer
|
||||
|
||||
ldy TEMPY
|
||||
lda gr_offsets,Y ; lookup low-res memory address ; 5
|
||||
clc
|
||||
adc XPOS ; add in xpos
|
||||
sta OUTL ; store out low byte of addy ; 3
|
||||
lda gr_offsets+1,Y ; look up high byte ; 5
|
||||
sta OUTH ; and store it out ; 3
|
||||
ldy TEMP ; restore sprite pointer ; 3
|
||||
|
||||
ldx CH
|
||||
|
||||
put_sprite_pixel:
|
||||
lda (INL),Y ; get sprite colors
|
||||
iny ; increment sprite pointer
|
||||
|
||||
sty TEMP ; save sprite pointer
|
||||
ldy #$0
|
||||
|
||||
cmp #$0 ; if all zero, transparent
|
||||
beq put_sprite_done_draw ; don't draw it
|
||||
|
||||
sta COLOR ; save color for later
|
||||
and #$f0 ; check if top nibble zero
|
||||
bne put_sprite_bottom ; if not skip ahead
|
||||
|
||||
lda #$0f ; setup mask
|
||||
sta MASK
|
||||
bmi put_sprite_mask
|
||||
|
||||
put_sprite_bottom:
|
||||
lda COLOR ; re-load color
|
||||
and #$0f ; check if bottom nibble zero
|
||||
bne put_sprite_all ; if not, skip ahead
|
||||
lda #$0f
|
||||
sta MASK ; setup mask
|
||||
|
||||
put_sprite_mask:
|
||||
lda (OUTL),Y ; get color at output
|
||||
and MASK ; mask off unneeded part
|
||||
ora COLOR ; or the color in
|
||||
sta (OUTL),Y ; store it back
|
||||
|
||||
jmp put_sprite_done_draw ; we are done
|
||||
|
||||
put_sprite_all:
|
||||
lda COLOR ; load color
|
||||
sta (OUTL),Y ; and write it out
|
||||
|
||||
|
||||
put_sprite_done_draw:
|
||||
|
||||
ldy TEMP ; restore sprite pointer
|
||||
|
||||
inc OUTL ; increment output pointer
|
||||
dex ; decrement x counter
|
||||
bne put_sprite_pixel ; if not done, keep looping
|
||||
|
||||
inc TEMPY ; each line has two y vars
|
||||
inc TEMPY
|
||||
dec CV ; decemenet total y count
|
||||
bne put_sprite_loop ; loop if not done
|
||||
|
||||
rts ; return
|
||||
|
||||
|
||||
; waste memory with a lookup table
|
||||
; maybe faster than using GBASCALC?
|
||||
gr_offsets:
|
||||
.word $400,$480,$500,$580,$600,$680,$700,$780
|
||||
.word $428,$4a8,$528,$5a8,$628,$6a8,$728,$7a8
|
||||
.word $450,$4d0,$550,$5d0,$650,$6d0,$750,$7d0
|
||||
|
||||
tb1_sprite:
|
||||
.byte $8,$4
|
||||
.byte $55,$50,$00,$00,$00,$00,$00,$00
|
||||
.byte $55,$55,$55,$00,$00,$00,$00,$00
|
||||
.byte $ff,$1f,$4f,$2f,$ff,$22,$20,$00
|
||||
.byte $5f,$5f,$5f,$5f,$ff,$f2,$f2,$f2
|
||||
|
||||
.include "title.inc"
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user