Apple-2-SW/dos33fsprogs
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split: trees moving properly

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was an issue with things spanning page boundaries
This commit is contained in:
Vince Weaver 2018-07-05 23:37:01 -04:00
parent 9308d0de62
commit c8ef0589d4
2 changed files with 40 additions and 24 deletions
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2
split_screen/calc_freq.c
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@ -9,7 +9,7 @@ int main(int argc, char **argv) {
// desired=5196;
// desired=4547;
// desired=9685;
desired=1673;
desired=236;
printf("You want %d cycles\n",desired);

62
split_screen/credits.s
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@ -88,7 +88,7 @@
; Wait
jsr wait_until_keypressed
; jsr wait_until_keypressed
; GR part
bit LORES
@ -118,14 +118,14 @@ line_loop:
; Wait
jsr wait_until_keypressed
; jsr wait_until_keypressed
bit HIRES
; Wait
jsr wait_until_keypressed
; jsr wait_until_keypressed
;=====================================================
; attempt vapor lock
@ -308,7 +308,7 @@ loop6:
lda #<small_tree ; 2
sta INL ; 3
lda TREE2X ; 3
lda TREE1X ; 3
sta XPOS ; 3
lda #28 ; 2
sta YPOS ; 3
@ -320,12 +320,26 @@ loop6:
;========
; 603
; grsim_put_sprite_page(PAGE0,
; small_tree,
; tree1_x,tree1_y);
; grsim_put_sprite_page(PAGE0,
; big_tree,
; tree2_x,tree2_y);
;================
; Draw Big Tree
lda #>big_tree ; 2
sta INH ; 3
lda #<big_tree ; 2
sta INL ; 3
lda TREE2X ; 3
sta XPOS ; 3
lda #30 ; 2
sta YPOS ; 3
jsr put_sprite ; 6
;=========
; 27
; + 1410
;========
; 1437
; if (frame%8>4) {
; grsim_put_sprite_page(PAGE0,
@ -359,21 +373,21 @@ loop6:
; 2216
; Blanking time: 4550
; Tree1 Sprite -603
; Tree2 Sprite -1437
; Sprite -2216
; Frame Update -13
; Tree1 Update -21
; Tree2 Update -21
; JMP at end -3
; 1673 is new number
; Try X=1 Y=152 cycles=1673
; 236 is new number
; Try X=3 Y=11 cycles=232 R4
; lda #0 ; 2
; lda #0 ; 2
ldy #152 ; 2
lda #0 ; 2
lda #0 ; 2
ldy #11 ; 2
loop7:
ldx #1 ; 2
ldx #3 ; 2
loop8:
dex ; 2
bne loop8 ; 2nt/3
@ -452,11 +466,11 @@ done_tree1:
;===========================================================
;===========================================================
wait_until_keypressed:
lda KEYPRESS ; check if keypressed
bpl wait_until_keypressed ; if not, loop
bit KEYRESET
rts
;wait_until_keypressed:
; lda KEYPRESS ; check if keypressed
; bpl wait_until_keypressed ; if not, loop
; bit KEYRESET
; rts
@ -608,9 +622,11 @@ line4:.asciiz " * S E V E N "
line5:.asciiz " . . . "
line6:.asciiz " . "
.include "../asm_routines/gr_offsets.s"
.include "../asm_routines/text_print.s"
.include "../asm_routines/gr_hlin_double.s"
.align $100
.include "../asm_routines/gr_offsets.s"
.include "tfv_sprites.inc"
.align $1000