mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-10-09 11:54:59 +00:00
leaving: have null case working again
This commit is contained in:
parent
080a2bf302
commit
1290b123eb
@ -196,9 +196,6 @@ lv_state_four:
|
||||
lv_set_state:
|
||||
stx STATE ; 3
|
||||
|
||||
|
||||
|
||||
|
||||
; Try X=203 Y=3 cycles=3064 R2
|
||||
|
||||
nop
|
||||
@ -210,6 +207,11 @@ lvloop9:dex ; 2
|
||||
dey ; 2
|
||||
bne lvloop8 ; 2nt/3
|
||||
|
||||
|
||||
;==========================
|
||||
; Set graphics mode, delay until done displaying the yard
|
||||
;==========================
|
||||
|
||||
bit SET_GR ; 4
|
||||
|
||||
; Try X=75 Y=15 cycles=5716
|
||||
@ -222,35 +224,177 @@ lvloop7:dex ; 2
|
||||
bne lvloop6 ; 2nt/3
|
||||
|
||||
;===============================
|
||||
; Draw All the Sprites
|
||||
; Draw the Yard
|
||||
;===============================
|
||||
|
||||
draw_the_yard:
|
||||
jsr erase_yard ; 6+1249
|
||||
|
||||
; draw deater
|
||||
lda #>tfv_stand_right ; 2
|
||||
sta INH ; 3
|
||||
lda #<tfv_stand_right ; 2
|
||||
sta INL ; 3
|
||||
;===============================
|
||||
; Draw one of three states
|
||||
;===============================
|
||||
; STATE0 = draw nothing
|
||||
; STATE2 = draw open door + walking TFV+susie
|
||||
; STATE4 = draw TFV on bird
|
||||
|
||||
lda #20 ; 2
|
||||
; Set up jump table that runs same speed on 6502 and 65c02
|
||||
ldy STATE ; 3
|
||||
lda lv_jump_table+1,y ; 4
|
||||
pha ; 3
|
||||
lda lv_jump_table,y ; 4
|
||||
pha ; 3
|
||||
rts ; 6
|
||||
|
||||
;=============
|
||||
; 23
|
||||
|
||||
lv_jump_table:
|
||||
.word (lv_state0-1)
|
||||
.word (lv_state0-1)
|
||||
.word (lv_state0-1)
|
||||
|
||||
lv_back_from_jumptable:
|
||||
|
||||
|
||||
;======================================================
|
||||
; We have 4550 cycles in the vblank, use them wisely
|
||||
;======================================================
|
||||
|
||||
; do_nothing should be 3640 (bottom of GR screen)
|
||||
; 4550 (vblank)
|
||||
; -1255 (clear yard)
|
||||
; -23 (setup jump table)
|
||||
; -6158 (in state code)
|
||||
; -10 keypress
|
||||
; ===========
|
||||
; 744
|
||||
|
||||
|
||||
; Try X=147 Y=1 cycles=742 R2
|
||||
|
||||
nop
|
||||
|
||||
ldy #1 ; 2
|
||||
lvloop1:ldx #147 ; 2
|
||||
lvloop2:dex ; 2
|
||||
bne lvloop2 ; 2nt/3
|
||||
dey ; 2
|
||||
bne lvloop1 ; 2nt/3
|
||||
|
||||
|
||||
lda KEYPRESS ; 4
|
||||
bpl lv_no_keypress ; 3
|
||||
jmp lv_all_done
|
||||
lv_no_keypress:
|
||||
|
||||
jmp lv_begin_loop ; 3
|
||||
|
||||
lv_all_done:
|
||||
bit KEYRESET ; clear keypress ; 4
|
||||
rts ; 6
|
||||
|
||||
|
||||
|
||||
;=====================
|
||||
; State0 : do nothing
|
||||
;=====================
|
||||
; Delay 6158-3 = 6155
|
||||
lv_state0:
|
||||
|
||||
; Try X=35 Y=34 cycles=6155
|
||||
|
||||
ldy #34 ; 2
|
||||
lvloopT:ldx #35 ; 2
|
||||
lvloopU:dex ; 2
|
||||
bne lvloopU ; 2nt/3
|
||||
dey ; 2
|
||||
bne lvloopT ; 2nt/3
|
||||
|
||||
jmp lv_back_from_jumptable ; 3
|
||||
|
||||
;======================
|
||||
; State2 : draw walking
|
||||
;======================
|
||||
; 1490 = 1471+19 (draw tfv)
|
||||
; 33 (draw susie)
|
||||
; 2072 (draw bird)
|
||||
; 1660 (draw door)
|
||||
; 3 (return)
|
||||
;==========
|
||||
; 6158
|
||||
|
||||
lv_state2:
|
||||
|
||||
lda TFV_X ; 3
|
||||
sta XPOS ; 3
|
||||
lda #22 ; 2
|
||||
sta YPOS ; 3
|
||||
|
||||
lda FRAMEH ; 3
|
||||
and #$1 ; 2
|
||||
beq lv_walk ; 3
|
||||
;===========
|
||||
; 19
|
||||
|
||||
|
||||
lv_stand:
|
||||
; draw deater standing ; -1
|
||||
lda #>tfv_stand_right ; 2
|
||||
sta INH ; 3
|
||||
lda #<tfv_stand_right ; 2
|
||||
sta INL ; 3
|
||||
jsr put_sprite ; 6
|
||||
|
||||
; need to waste 61 cycles
|
||||
lda #34 ; 2
|
||||
jsr delay_a ; 25+34 = 59
|
||||
|
||||
jmp lv_susie ; 3
|
||||
;=========
|
||||
; 18 + 1392 = 1410
|
||||
|
||||
|
||||
lv_walk:
|
||||
; draw deater walking
|
||||
lda #>tfv_walk_right ; 2
|
||||
sta INH ; 3
|
||||
lda #<tfv_walk_right ; 2
|
||||
sta INL ; 3
|
||||
jsr put_sprite ; 6
|
||||
;=========
|
||||
; 26 + 1392 = 1418
|
||||
; 16 + 1455 = 1471
|
||||
|
||||
; draw susie
|
||||
ldx #15 ; 2
|
||||
|
||||
|
||||
lv_susie:
|
||||
; draw susie at TFV_X-5, IFF TFV_X>10
|
||||
lda TFV_X ; 3
|
||||
sec ; 2
|
||||
sbc #5 ; 2
|
||||
tax ; 2
|
||||
cpx #10 ; 2
|
||||
bcs lv_yes_susie ; bge ; 3
|
||||
;============
|
||||
; 14
|
||||
lv_no_susie:
|
||||
; -1
|
||||
inc TFV_Y ; 5
|
||||
dec TFV_Y ; 5
|
||||
nop ; 2
|
||||
nop ; 2
|
||||
lda $0 ; 3
|
||||
jmp lv_done_susie ; 3
|
||||
;============
|
||||
; 19
|
||||
lv_yes_susie:
|
||||
lda #0 ; 2
|
||||
sta $450,X ; 5
|
||||
sta $451,X ; 5
|
||||
lda #$0f ; 2
|
||||
sta $452,X ; 5
|
||||
;=========
|
||||
; 21
|
||||
lv_done_susie:
|
||||
;===========
|
||||
; 19
|
||||
|
||||
|
||||
; draw bird
|
||||
lda #>bird_stand_right_sprite ; 2
|
||||
@ -267,46 +411,29 @@ lvloop7:dex ; 2
|
||||
;=========
|
||||
; 26 + 2046 = 2072
|
||||
|
||||
;======================================================
|
||||
; We have 4550 cycles in the vblank, use them wisely
|
||||
;======================================================
|
||||
; draw door
|
||||
lda #>door_sprite ; 2
|
||||
sta INH ; 3
|
||||
lda #<door_sprite ; 2
|
||||
sta INL ; 3
|
||||
|
||||
lda #5 ; 2
|
||||
sta XPOS ; 3
|
||||
lda #22 ; 2
|
||||
sta YPOS ; 3
|
||||
|
||||
jsr put_sprite ; 6
|
||||
;=========
|
||||
; 26 + 1634 = 1660
|
||||
|
||||
|
||||
|
||||
; do_nothing should be 3640 (bottom of GR screen)
|
||||
; 4550 (vblank)
|
||||
; -1255 (clear yard)
|
||||
; -1418 (draw tfv)
|
||||
; -2072 (draw bird)
|
||||
; -21 (draw susie)
|
||||
; -10 keypress
|
||||
; ===========
|
||||
; 3414
|
||||
|
||||
; Try X=67 Y=10 cycles=3411 R3
|
||||
lda $0
|
||||
|
||||
ldy #10 ; 2
|
||||
lvloop1:ldx #67 ; 2
|
||||
lvloop2:dex ; 2
|
||||
bne lvloop2 ; 2nt/3
|
||||
dey ; 2
|
||||
bne lvloop1 ; 2nt/3
|
||||
|
||||
lda KEYPRESS ; 4
|
||||
bpl lv_no_keypress ; 3
|
||||
jmp lv_all_done
|
||||
lv_no_keypress:
|
||||
|
||||
jmp lv_begin_loop ; 3
|
||||
|
||||
lv_all_done:
|
||||
bit KEYRESET ; clear keypress ; 4
|
||||
rts ; 6
|
||||
|
||||
|
||||
jmp lv_back_from_jumptable ; 3
|
||||
|
||||
|
||||
;======================
|
||||
; erase yard
|
||||
;======================
|
||||
|
||||
; 1209 cycles
|
||||
; 4+ 31*[35 + 5 ] + 5 = 1249
|
||||
@ -328,3 +455,8 @@ yard_loop:
|
||||
; -1
|
||||
rts ; 6
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user