Apple-2-SW/dos33fsprogs
1
0
Fork 0
mirror of https://github.com/deater/dos33fsprogs.git synced 2025-01-29 05:34:29 +00:00
Code Issues Projects Releases Wiki Activity

split: we have tree1

Browse Source
This commit is contained in:
Vince Weaver 2018-07-06 00:59:45 -04:00
parent 61dfee745f
commit 403a612f94
2 changed files with 36 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
split_screen/calc_freq.c
View File

@ -9,7 +9,7 @@ int main(int argc, char **argv) {
// desired=5196;
// desired=4547;
// desired=9685;
desired=901;
desired=827;
printf("You want %d cycles\n",desired);

65
split_screen/credits.s
View File

@ -190,21 +190,44 @@ display_loop:
; text
bit SET_TEXT ; 4
;================
; clear bottom green
jsr draw_bottom_green ; 2209+6
;================
; Draw Small Tree
lda #>small_tree ; 2
sta INH ; 3
lda #<small_tree ; 2
sta INL ; 3
lda TREE1X ; 3
sta XPOS ; 3
lda #28 ; 2
sta YPOS ; 3
jsr put_sprite ; 6
;=========
; 27
; + 576
;========
; 603
; want 3120
; green -2215
; tree1 -603
; set_test -4
;=============== 901 cycles
;=============== 298 cycles
; Try X=6 Y=25 cycles=901
; Try X=1 Y=27 cycles=298
; lda #0 ; 2
; lda #0 ; 2
ldy #25 ; 2
ldy #27 ; 2
loop2:
ldx #6 ; 2
ldx #1 ; 2
loop1:
dex ; 2
bne loop1 ; 2nt/3
@ -280,25 +303,7 @@ loop6:
; basic_hlin(0,39,i);
; }
;================
; Draw Small Tree
lda #>small_tree ; 2
sta INH ; 3
lda #<small_tree ; 2
sta INL ; 3
lda TREE1X ; 3
sta XPOS ; 3
lda #28 ; 2
sta YPOS ; 3
jsr put_sprite ; 6
;=========
; 27
; + 576
;========
; 603
;================
; Draw Big Tree
@ -363,7 +368,6 @@ draw_bird:
;========
; 2228
; Blanking time: 4550
; Tree1 Sprite -603
; Tree2 Sprite -1437
; Sprite -2228
; Frame Update -13
@ -371,14 +375,15 @@ draw_bird:
; Tree2 Update -21
; JMP at end -3
; 224 is new number
; Try X=43 Y=1 cycles=222 R2
; 827 is new number
; Try X=164 Y=1 cycles=827
lda #0 ; 2
; lda #0 ; 2
; lda #0 ; 2
ldy #1 ; 2
loop7:
ldx #43 ; 2
ldx #164 ; 2
loop8:
dex ; 2
bne loop8 ; 2nt/3