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https://github.com/deater/dos33fsprogs.git
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tfv: more cycle annotation
This commit is contained in:
Vince Weaver
parent
aff3b25264
commit
db5b86289a
@ -820,6 +820,7 @@ int grsim_put_sprite_page(int page, unsigned char *sprite_data, int xpos, int yp
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unsigned char i;
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unsigned char *ptr;
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short address;
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int cycles=0;
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ptr=sprite_data;
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x=*ptr;
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@ -829,41 +830,55 @@ int grsim_put_sprite_page(int page, unsigned char *sprite_data, int xpos, int yp
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ypos=ypos&0xfe;
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cycles+=28;
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while(1) {
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address=gr_addr_lookup[ypos/2];
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address+=(page)<<8;
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address+=xpos;
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cycles+=36;
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for(i=0;i<x;i++) {
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a=*ptr;
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cycles+=17;
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if (a==0) {
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}
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else if ((a&0xf0)==0) {
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cycles+=8;
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ram[address]&=0xf0;
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ram[address]|=a;
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cycles+=19;
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}
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else if ((a&0x0f)==0) {
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cycles+=8;
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ram[address]&=0x0f;
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ram[address]|=a;
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cycles+=19;
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}
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else {
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cycles+=8;
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ram[address]=a;
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cycles+=19;
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}
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ptr++;
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address++;
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cycles+=13;
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}
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ypos+=2;
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ram[CV]--;
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if (ram[CV]==0) break;
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cycles+=18;
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}
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return 0;
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cycles+=6;
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return cycles;
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}
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int grsim_put_sprite(unsigned char *sprite_data, int xpos, int ypos) {
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grsim_put_sprite_page(ram[DRAW_PAGE],sprite_data,xpos,ypos);
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int cycles;
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return 0;
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cycles=grsim_put_sprite_page(ram[DRAW_PAGE],sprite_data,xpos,ypos);
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return cycles;
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}
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@ -731,8 +731,8 @@ int flying(void) {
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for(loop=ram[SPACEZ_I];loop>0;loop--) {
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draw_background_mode7();
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grsim_put_sprite(shadow_forward,CONST_SHIPX+3,31+ram[SPACEZ_I]);
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grsim_put_sprite(ship_forward,CONST_SHIPX,ram[SHIPY]);
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cycles.put_sprite+=grsim_put_sprite(shadow_forward,CONST_SHIPX+3,31+ram[SPACEZ_I]);
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cycles.put_sprite+=grsim_put_sprite(ship_forward,CONST_SHIPX,ram[SHIPY]);
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page_flip();
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usleep(200000);
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@ -794,35 +794,35 @@ int flying(void) {
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if (ram[TURNING]==0) {
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if (ram[DRAW_SPLASH]) {
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grsim_put_sprite(splash_forward,
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cycles.put_sprite+=grsim_put_sprite(splash_forward,
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CONST_SHIPX+1,ram[SHIPY]+9);
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cycles.flying+=33;
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}
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grsim_put_sprite(shadow_forward,CONST_SHIPX+3,31+ram[SPACEZ_I]);
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grsim_put_sprite(ship_forward,CONST_SHIPX,ram[SHIPY]);
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cycles.put_sprite+=grsim_put_sprite(shadow_forward,CONST_SHIPX+3,31+ram[SPACEZ_I]);
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cycles.put_sprite+=grsim_put_sprite(ship_forward,CONST_SHIPX,ram[SHIPY]);
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cycles.flying+=46;
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}
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else if (ram[TURNING]>128) {
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if (ram[DRAW_SPLASH]) {
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grsim_put_sprite(splash_left,
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cycles.put_sprite+=grsim_put_sprite(splash_left,
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CONST_SHIPX+1,36);
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cycles.flying+=28;
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}
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grsim_put_sprite(shadow_left,CONST_SHIPX+3,31+ram[SPACEZ_I]);
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grsim_put_sprite(ship_left,CONST_SHIPX,ram[SHIPY]);
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cycles.put_sprite+=grsim_put_sprite(shadow_left,CONST_SHIPX+3,31+ram[SPACEZ_I]);
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cycles.put_sprite+=grsim_put_sprite(ship_left,CONST_SHIPX,ram[SHIPY]);
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ram[TURNING]++;
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cycles.flying+=48;
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}
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else {
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if (ram[DRAW_SPLASH]) {
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grsim_put_sprite(splash_right,
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cycles.put_sprite+=grsim_put_sprite(splash_right,
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CONST_SHIPX+1,36);
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cycles.flying+=28;
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}
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grsim_put_sprite(shadow_right,CONST_SHIPX+3,31+ram[SPACEZ_I]);
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grsim_put_sprite(ship_right,CONST_SHIPX,ram[SHIPY]);
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cycles.put_sprite+=grsim_put_sprite(shadow_right,CONST_SHIPX+3,31+ram[SPACEZ_I]);
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cycles.put_sprite+=grsim_put_sprite(ship_right,CONST_SHIPX,ram[SHIPY]);
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ram[TURNING]--;
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cycles.flying+=51;
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}
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105
tfv/tfv_utils.s
105
tfv/tfv_utils.s
@ -352,94 +352,97 @@ save_key:
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put_sprite:
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ldy #0 ; byte 0 is xsize
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lda (INL),Y
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sta CH ; xsize is in CH
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iny
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ldy #0 ; byte 0 is xsize ; 2
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lda (INL),Y ; 5
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sta CH ; xsize is in CH ; 3
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iny ; 2
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lda (INL),Y ; byte 1 is ysize
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sta CV ; ysize is in CV
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iny
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lda YPOS ; make a copy of ypos
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sta TEMPY ; as we modify it
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lda (INL),Y ; byte 1 is ysize ; 5
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sta CV ; ysize is in CV ; 3
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iny ; 2
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lda YPOS ; make a copy of ypos ; 3
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sta TEMPY ; as we modify it ; 3
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;===========
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; 28
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put_sprite_loop:
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sty TEMP ; save sprite pointer
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sty TEMP ; save sprite pointer ; 3
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ldy TEMPY
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ldy TEMPY ; 3
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lda gr_offsets,Y ; lookup low-res memory address ; 5
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clc
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adc XPOS ; add in xpos
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clc ; 2
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adc XPOS ; add in xpos ; 3
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sta OUTL ; store out low byte of addy ; 3
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lda gr_offsets+1,Y ; look up high byte ; 5
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adc DRAW_PAGE ;
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adc DRAW_PAGE ; ; 3
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sta OUTH ; and store it out ; 3
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ldy TEMP ; restore sprite pointer ; 3
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; OUTH:OUTL now points at right place
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ldx CH ; load xsize into x
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ldx CH ; load xsize into x ; 3
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;===========
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; 36
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put_sprite_pixel:
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lda (INL),Y ; get sprite colors
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iny ; increment sprite pointer
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lda (INL),Y ; get sprite colors ; 5
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iny ; increment sprite pointer ; 2
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sty TEMP ; save sprite pointer
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ldy #$0
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sty TEMP ; save sprite pointer ; 3
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ldy #$0 ; 2
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; check if completely transparent
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; if so, skip
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cmp #$0 ; if all zero, transparent
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beq put_sprite_done_draw ; don't draw it
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; FIXME: use BIT?
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cmp #$0 ; if all zero, transparent ; 2
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beq put_sprite_done_draw ; don't draw it ; 2nt/3
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; FIXME: use BIT? ;==============
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; 17
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sta COLOR ; save color for later
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sta COLOR ; save color for later ; 3
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; check if top pixel transparent
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and #$f0 ; check if top nibble zero
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bne put_sprite_bottom ; if not skip ahead
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and #$f0 ; check if top nibble zero ; 2
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bne put_sprite_bottom ; if not skip ahead ; 2nt/3
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lda #$f0 ; setup mask
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sta MASK
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bmi put_sprite_mask
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lda #$f0 ; setup mask ; 2
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sta MASK ; 3
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bmi put_sprite_mask ; 2nt/3
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put_sprite_bottom:
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lda COLOR ; re-load color
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and #$0f ; check if bottom nibble zero
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bne put_sprite_all ; if not, skip ahead
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lda #$0f
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sta MASK ; setup mask
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lda COLOR ; re-load color ; 3
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and #$0f ; check if bottom nibble zero ; 2
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bne put_sprite_all ; if not, skip ahead ; 2nt/3
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lda #$0f ; 2
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sta MASK ; setup mask ; 3
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put_sprite_mask:
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lda (OUTL),Y ; get color at output
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and MASK ; mask off unneeded part
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ora COLOR ; or the color in
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sta (OUTL),Y ; store it back
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lda (OUTL),Y ; get color at output ; 5
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and MASK ; mask off unneeded part ; 3
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ora COLOR ; or the color in ; 3
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sta (OUTL),Y ; store it back ; 5
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jmp put_sprite_done_draw ; we are done
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jmp put_sprite_done_draw ; we are done ; 3
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put_sprite_all:
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lda COLOR ; load color
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sta (OUTL),Y ; and write it out
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lda COLOR ; load color ; 3
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sta (OUTL),Y ; and write it out ; 5
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put_sprite_done_draw:
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ldy TEMP ; restore sprite pointer
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ldy TEMP ; restore sprite pointer ; 3
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inc OUTL ; increment output pointer
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dex ; decrement x counter
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bne put_sprite_pixel ; if not done, keep looping
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inc OUTL ; increment output pointer ; 5
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dex ; decrement x counter ; 2
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bne put_sprite_pixel ; if not done, keep looping ; 2nt/3
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inc TEMPY ; each line has two y vars
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inc TEMPY
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dec CV ; decemenet total y count
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bne put_sprite_loop ; loop if not done
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inc TEMPY ; each line has two y vars ; 5
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inc TEMPY ; 5
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dec CV ; decemenet total y count ; 5
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bne put_sprite_loop ; loop if not done ; 2nt/3
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rts ; return
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rts ; return ; 6
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;================================
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