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;Name: 3BALL
;Version: 3BALL
;Description: An executive decision maker that will give a yes/no/maybe answer. Pressing Next will generate another answer and beep (since it will be the same answer sometimes).
;
;(c) 1997 Wayne Buttles (timex@fdisk.com). Compiled using tools and knowledge published by John A. Toebes, VIII and Michael Polymenakos (mpoly@panix.com).
; Some enhancements by John Toebes...
;
;HelpFile: watchapp.hlp
;HelpTopic: 100
;
; <A NAME="3ball_1">(1) Program specific constants</A>
;
INCLUDE "wristapp.i"
;
; Program specific constants
;
CURRENT_TIC EQU $27 ; Current system clock tic (Timer)
LAST_ANS EQU $61
RAND_SEED EQU $60
MARQ_POS EQU $62
START EQU *
;
; <A NAME="3ball_2">(2) System entry point vectors</A>
;
L0110: jmp MAIN ; The main entry point - <A HREF="wristappformat.html#WRIST_MAIN">WRIST_MAIN</A>
L0113: bclr 1,BTNFLAGS ; Called when we are suspended for any reason - <A HREF="wristappformat.html#WRIST_SUSPEND">WRIST_SUSPEND</A>
rts
L0116: jmp FLASH ; Called to handle any timers or time events - <A HREF="wristappformat.html#WRIST_DOTIC">WRIST_DOTIC</A>
L0119: bclr 1,BTNFLAGS ; Called when the COMM app starts and we have timers pending - <A HREF="wristappformat.html#WRIST_INCOMM">WRIST_INCOMM</A>
rts
L011c: rts ; Called when the COMM app loads new data - <A HREF="wristappformat.html#WRIST_NEWDATA">WRIST_NEWDATA</A>
nop
nop
L011f: lda STATETAB,X ; The state table get routine - <A HREF="wristappformat.html#WRIST_GETSTATE">WRIST_GETSTATE</A>
rts
L0123: jmp HANDLE_STATE0
db STATETAB-STATETAB
;
; <A NAME="3ball_3">(3) Program strings</A>
;
S6_MSG timex6 "3 BALL"
S6_MAYBE timex6 "MAYBE"
S6_YES timex6 " YES"
S6_NO timex6 " NO"
S6_MARQ timex6 " +O+ "
MARQ_SEL
DB S6_MARQ+2-START
DB S6_MARQ+3-START
DB S6_MARQ+2-START
DB S6_MARQ+1-START
DB S6_MARQ-START
DB S6_MARQ+1-START
MSG_SEL DB S6_YES-START
DB S6_NO-START
DB S6_MAYBE-START
DB S6_YES-START
;
; <A NAME="3ball_4">(4) State Table</A>
;
STATETAB:
db 0
db EVT_ENTER,TIM_2_16TIC,0 ; Initial state
db EVT_RESUME,TIM_ONCE,0 ; Resume from a nested app
db EVT_DNNEXT,TIM_2_16TIC,0 ; Next button
db EVT_TIMER2,TIM_ONCE,0 ; Timer
db EVT_MODE,TIM_ONCE,$FF ; Mode button
db EVT_END
;
; <A NAME="3ball_5">(5) State Table 0 Handler</A>
; This is called to process the state events.
; We see ENTER, RESUME, TIMER2 and NEXT events
;
HANDLE_STATE0:
bset 1,APP_FLAGS ; Indicate that we can be suspended
bclr 1,BTNFLAGS
lda BTNSTATE
cmp #EVT_DNNEXT ; Did they press the next button?
beq DOITAGAIN
cmp #EVT_ENTER ; Or did we start out
beq DOITAGAIN
cmp #EVT_RESUME
beq REFRESH
;
; <A NAME="3ball_6">(6) Select a random answer</A>
;
SHOWIT
bsr RAND
and #3 ; go to a 1 in 4 chance
sta LAST_ANS
;
; <A NAME="3ball_7">(7) Display the currently selected random number</A>
;
REFRESH
ldx LAST_ANS ; Get the last answer we had, and use it as an index
lda MSG_SEL,X ; And get the message to display
jsr PUT6TOP ; Put that on the top
BANNER
lda #S6_MSG-START
jsr PUT6MID
lda #SYS8_MODE ; And show the mode on the bottom
jmp PUTMSGBOT
;
; <A NAME="3ball_8">(8) This flashes the text on the screen</A>
;
FLASH
lda CURRENT_APP ; See which app is currently running
cmp #APP_WRIST ; Is it us?
bne L0113 ; No, so just turn off the tic timer since we don't need it
ldx #5
lda MARQ_POS
jsr INCA_WRAPX
sta MARQ_POS
tax
lda MARQ_SEL,X
jmp PUT6TOP
;
; <A NAME="3ball_9">(9) They want us to do it again</A>
;
DOITAGAIN ; Tell them we are going to do it again
clr MARQ_POS
bset 1,BTNFLAGS
bra BANNER
;
; <A NAME="3ball_10">(10) Here is a simple random number generator</A>
;
RAND
lda RAND_SEED
ldx #85
mul
add #25
sta RAND_SEED
rola
rola
rola
rts
;
; <A NAME="3ball_11">(11) This is the main initialization routine which is called when we first get the app into memory</A>
;
MAIN:
lda #$c0 ; We want button beeps and to indicate that we have been loaded
sta WRISTAPP_FLAGS
lda CURRENT_TIC
sta RAND_SEED
rts
|
