second: re-arrange VLIN to slightly optimize replayer
not really worth the trouble
This commit is contained in:
Vince Weaver
parent
07377a0204
commit
cae86499c9
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@ -28,13 +28,13 @@ frame15: ; handmade / auto
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.include "handmade/frame041.inc" ; 65 / 66 (1 byte)
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.include "auto/frame042.inc" ; 92 / 78 (-14 bytes)
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.include "handmade/frame043.inc" ; 233 / 273 (40 bytes)
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.include "handmade/frame044.inc" ; 202 / 220 (18 bytes)
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.include "handmade/frame044.inc" ; 199 / 220 (21 bytes)
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.include "handmade/frame045.inc" ; 182 / 204 (22 bytes)
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.include "handmade/frame046.inc" ; 172 / 174 (2 bytes)
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.include "handmade/frame047.inc" ; 191 / 202 (11 bytes)
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.include "handmade/frame048.inc" ; 219 / 226 (7 bytes)
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.include "handmade/frame049.inc" ; 189 / 198 (9 bytes)
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.include "handmade/frame050.inc" ; 264 / 288 (24 bytes)
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.include "handmade/frame048.inc" ; 218 / 226 (8 bytes)
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.include "handmade/frame049.inc" ; 186 / 198 (12 bytes)
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.include "handmade/frame050.inc" ; 253 / 288 (35 bytes)
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.include "auto/frame051.inc" ;
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.include "auto/frame052.inc" ;
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.include "auto/frame053.inc" ;
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@ -8,7 +8,7 @@
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/* Output is ca65 6502 assembler for including in project */
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/* TOOD:
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have a VLIN_ADD like there is for HLIN and BOX
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have a VLIN_SAME (would save enough bytes. enough to matter?)
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some way of detecting smaller foreground objects and drawing them
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separately. Tricky to do
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sort PLOT in with HLIN so can use HLIN_ADD but only where appropriate
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@ -783,16 +783,16 @@ int generate_frame(int print_results) {
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case ACTION_VLIN:
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if (primitive_list[i].type==previous_primitive) {
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if (print_results) printf("\t.byte %d,%d,%d\n",
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primitive_list[i].x1,
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primitive_list[i].y1,
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primitive_list[i].y2,
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primitive_list[i].x1);
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primitive_list[i].y2);
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total_size+=3;
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}
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else {
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if (print_results) printf("\t.byte VLIN,%d,%d,%d\n",
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primitive_list[i].x1,
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primitive_list[i].y1,
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primitive_list[i].y2,
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primitive_list[i].x1);
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primitive_list[i].y2);
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total_size+=4;
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previous_primitive=ACTION_VLIN;
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@ -0,0 +1,5 @@
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#!/bin/sh
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for i in `seq -w 15 130` ; do
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./box_convert ./modified/image00000$i.png> frame$i.inc ;
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done
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@ -104,11 +104,10 @@ update_pointer_already_in_a:
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bcc draw_scene_loop ; bra (would only be set if wrap $FFFF)
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;============================
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; done scene
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;============================
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; increment pointer and return
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; return
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done_scene:
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rts
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@ -143,8 +142,6 @@ bytes_used:
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.byte 1,3,2,2 ; HLIN_ADD_RSAME, BOX_ADD, BOX_ADD_LSAME
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.byte 2,2 ; BOX_ADD_RSAME, VLIN_ADD
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draw_table_l:
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.byte <(clear_screen),<(draw_box),<(draw_hlin),<(draw_vlin)
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.byte <(draw_plot)
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@ -165,7 +162,6 @@ draw_table_h:
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;=================================
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clear_screen:
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jmp clear_fullgr ; tail call
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; jmp draw_scene_loop ; skip inc pointer
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;=================================
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;=================================
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@ -259,10 +255,6 @@ draw_box_xloop_smc:
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bcs draw_box_xloop ; bge
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iny
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;draw_box_yend_smc:
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; cpy #0
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; bcc draw_box_yloop ; less than
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; beq draw_box_yloop ; equal
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jmp draw_box_yloop
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@ -280,8 +272,6 @@ done_draw_box_yloop:
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definitely_odd_bottom:
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; done
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; jmp update_pointer
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rts
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@ -301,7 +291,6 @@ draw_hlin:
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lda (INL),Y
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sta Y1 ; needed for HLIN_ADD
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; lda Y1
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lsr
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tay
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@ -314,9 +303,6 @@ do_hlin_mask_odd:
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; done
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hlin_done:
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rts
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; jmp update_pointer
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;=================================
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;=================================
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@ -333,10 +319,8 @@ draw_hlin_add:
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sta X2
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inc Y1
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lda Y1
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; sta Y1
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; lda Y1
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lda Y1
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lsr
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tay
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@ -348,7 +332,6 @@ do_hlin_add_mask_odd:
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; done
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hlin_add_done:
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; jmp update_pointer
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rts
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;=================================
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@ -366,9 +349,6 @@ draw_hlin_add_lsame:
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inc Y1
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lda Y1
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; sta Y1
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; lda Y1
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lsr
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tay
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bcs do_hlin_add_lsame_mask_odd
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@ -379,7 +359,6 @@ do_hlin_add_lsame_mask_odd:
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; done
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hlin_add_lsame_done:
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; jmp update_pointer
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rts
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@ -398,9 +377,6 @@ draw_hlin_add_rsame:
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inc Y1
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lda Y1
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; sta Y1
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; lda Y1
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lsr
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tay
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bcs do_hlin_add_rsame_mask_odd
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@ -411,7 +387,52 @@ do_hlin_add_rsame_mask_odd:
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; done
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hlin_add_rsame_done:
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; jmp update_pointer
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rts
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;===================================
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;===================================
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; hlin common code
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;===================================
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;===================================
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; X1, X2 set up
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; Y/2 is in Y
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; call the proper entry point
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; Y untouched
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hlin_common:
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hlin_mask_odd:
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lda #$0F
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.byte $2C ; bit trick
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hlin_mask_even:
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lda #$F0
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sta MASK
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eor #$FF
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and COLOR
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sta COLOR2
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lda gr_offsets_l,Y
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sta draw_hlin_l_xloop_smc+1
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sta draw_hlin_s_xloop_smc+1
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lda gr_offsets_h,Y
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clc
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adc DRAW_PAGE
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sta draw_hlin_l_xloop_smc+2
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sta draw_hlin_s_xloop_smc+2
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ldx X2
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draw_hlin_xloop:
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draw_hlin_l_xloop_smc:
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lda $400,X
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and MASK
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ora COLOR2
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draw_hlin_s_xloop_smc:
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sta $400,X
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dex
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cpx X1
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bpl draw_hlin_xloop ; bge
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rts
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;=================================
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@ -487,18 +508,10 @@ draw_box_add_rsame:
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;=================================
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;=================================
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draw_vlin_add:
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lda (INL),Y
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sta Y1
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iny
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lda (INL),Y
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sta Y2
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inc X1 ; X1 is prev_X1+1
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inc X1
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bne draw_vlin_skip_x1 ; bra
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jsr draw_vlin_common
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; jmp update_pointer
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rts
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;=================================
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;=================================
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@ -506,19 +519,15 @@ draw_vlin_add:
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;=================================
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;=================================
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draw_vlin:
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; iny
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lda (INL),Y
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sta X1
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iny
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draw_vlin_skip_x1:
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lda (INL),Y
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sta Y1
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iny
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lda (INL),Y
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sta Y2
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iny
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lda (INL),Y
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sta X1
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jsr draw_vlin_common
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; jmp update_pointer
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rts
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;================================
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draw_vlin_common:
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@ -535,17 +544,20 @@ odd_bottom_vlin:
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sta vlin_yend_smc+1
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; handle top
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; see if we start at multiple of two
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lda Y1
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lsr
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tay
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tay ; needed! Sets Y for vlin_yloop
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bcc even_vlin_start
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odd_vlin_start:
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; we're odd, need to call PLOT
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lda Y1
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jsr plot_common
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jsr plot_mask_odd
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iny
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iny ; update Y for vlin_yloop
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even_vlin_start:
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@ -574,10 +586,6 @@ vlin_xloop_smc:
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sta $400,X
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iny
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;vlin_yend_smc:
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; cpy #0
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; bcc vlin_yloop ; less than
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; beq vlin_yloop ; equal
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jmp vlin_yloop
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@ -590,7 +598,8 @@ done_vlin_yloop:
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lsr
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bcs definitely_odd_vlin
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jsr plot_mask_even
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lda Y2
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jmp plot_common ; plot_mask_even (tail call)
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definitely_odd_vlin:
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; done
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@ -606,88 +615,30 @@ definitely_odd_vlin:
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;=================================
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;=================================
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draw_plot:
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; iny
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lda (INL),Y
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sta X1
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iny
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lda (INL),Y
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sta Y1 ; needed for HLIN_ADD
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; lda Y1
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lsr
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tay
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bcs do_plot_mask_odd
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jsr plot_mask_even
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jmp plot_done
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do_plot_mask_odd:
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jsr plot_mask_odd
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; fallthrough
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plot_done:
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; done
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; jmp update_pointer
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rts
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;===================================
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;===================================
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; hlin common code
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;===================================
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;===================================
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; X1, X2 set up
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; Y/2 is in Y
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; call the proper entry point
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; Y untouched
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hlin_common:
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hlin_mask_odd:
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lda #$0F
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.byte $2C ; bit trick
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hlin_mask_even:
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lda #$F0
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sta MASK
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eor #$FF
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and COLOR
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sta COLOR2
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lda gr_offsets_l,Y
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sta draw_hlin_l_xloop_smc+1
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sta draw_hlin_s_xloop_smc+1
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lda gr_offsets_h,Y
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clc
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adc DRAW_PAGE
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sta draw_hlin_l_xloop_smc+2
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sta draw_hlin_s_xloop_smc+2
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ldx X2
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draw_hlin_xloop:
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draw_hlin_l_xloop_smc:
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lda $400,X
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and MASK
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ora COLOR2
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draw_hlin_s_xloop_smc:
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sta $400,X
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dex
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cpx X1
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bpl draw_hlin_xloop ; bge
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rts
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;===================================
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;===================================
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; plot common code
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;===================================
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;===================================
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; X1, set up
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; Y/2 is in Y
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; call the proper entry point
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; Y untouched
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; X-coord in X1
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; Y-coord in A
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; Y is Y-coord/2 at end
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plot_common:
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lsr ; need Y-coord/2 because 2 rows per byte
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tay
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bcc plot_mask_even
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plot_mask_odd:
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lda #$0F
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.byte $2C ; bit trick
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