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Added outro delay

This commit is contained in:
giomba 2017-12-27 18:01:37 +01:00
parent ceeea2deb8
commit be1c1f57f5
1 changed files with 35 additions and 6 deletions
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41
snake.asm
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@ -61,7 +61,12 @@ length:
random: random:
BYTE BYTE
; Status (0 fist time intro playing, 1 init (title) screen, 2 game running) ; Status
; 0 fist time intro playing
; 1 init (title) screen
; 2 game running
; 3 outro
; 4 end
status: status:
BYTE BYTE
@ -75,6 +80,10 @@ introX:
introXinc: introXinc:
BYTE #$1 BYTE #$1
; Outro delay
outroDelay
BYTE #$ff
; Costants ; Costants
; ---------------------------------------------------------------------- ; ----------------------------------------------------------------------
@ -189,7 +198,7 @@ intro0end:
endless: endless:
; Loop waiting for gameover ; Loop waiting for gameover
lda status lda status
cmp #3 ; is status equal to 3 (gameover) ? cmp #4 ; is status equal to 4 (gameover) ?
bne endless ; if not, just wait looping here, else... bne endless ; if not, just wait looping here, else...
jsr introreset ; reset variables for intro jsr introreset ; reset variables for intro
@ -323,7 +332,8 @@ irq:
; 0 intro running ; 0 intro running
; 1 for future use ; 1 for future use
; 2 actual game running ; 2 actual game running
; 3 gameover ; 3 after-game outro
; 4 gameover
lda status lda status
cmp #0 cmp #0
bne checkStatus1 bne checkStatus1
@ -336,9 +346,14 @@ checkStatus1:
jmp checkEndStatus jmp checkEndStatus
checkStatus2 checkStatus2
cmp #2 cmp #2
bne checkEndStatus bne checkStatus3
jsr status2 jsr status2
jmp checkEndStatus jmp checkEndStatus
checkStatus3
cmp #3
bne checkEndStatus
jsr status3
jmp checkEndStatus
checkEndStatus: checkEndStatus:
; Play music ; Play music
@ -707,11 +722,25 @@ gameover:
; Set gameover status ; Set gameover status
; this way, the loop out of this interrupt, will know that we ; this way, the loop out of this interrupt, will know that we
; finished, and play the intro again ; finished, and play the intro again
lda #$ff
sta outroDelay
lda #3 lda #3
sta status sta status
rts rts
; TODO : must be added a delay to let the player see her/his final score
; before clearing the screen and starting with the intro again ; Decrement outroDelay, just to let player see her/his end screen
; with score
status3:
ldy outroDelay ; load outroDelay and decrement
dey
sty outroDelay
cpy #0
beq status3end
rts
status3end:
lda #4 ; go to end status
sta status
rts
; Subroutines ; Subroutines
; ---------------------------------------------------------------------- ; ----------------------------------------------------------------------