mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-29 00:31:52 +00:00
275 lines
4.0 KiB
ArmAsm
275 lines
4.0 KiB
ArmAsm
;===================================
|
|
; where do we point?
|
|
;===================================
|
|
; check to see if cursor is in any of zones
|
|
where_do_we_point:
|
|
ldy #LOCATION_NUM_AREAS
|
|
lda (LOCATION_STRUCT_L),Y
|
|
|
|
tax ; num areas in X
|
|
|
|
ldy #LOCATION_AREAS
|
|
where_loop:
|
|
|
|
lda CURSOR_X
|
|
clc
|
|
adc #3 ; center of cursor is 3 over
|
|
|
|
cmp (LOCATION_STRUCT_L),Y
|
|
bcc where_notxlow ; too far left
|
|
iny
|
|
|
|
cmp (LOCATION_STRUCT_L),Y
|
|
bcs where_notxhigh ; too far right
|
|
iny
|
|
|
|
lda CURSOR_Y
|
|
clc
|
|
adc #4 ; center of cursor 4 down?
|
|
cmp (LOCATION_STRUCT_L),Y
|
|
bcc where_notylow ; too far up
|
|
iny
|
|
|
|
; cmp CURSOR_Y
|
|
cmp (LOCATION_STRUCT_L),Y
|
|
bcs where_notyhigh ; too far right
|
|
iny
|
|
|
|
; we got this far, was a match
|
|
lda (LOCATION_STRUCT_L),Y
|
|
sta NOUN_L
|
|
iny
|
|
lda (LOCATION_STRUCT_L),Y
|
|
sta NOUN_H
|
|
iny
|
|
lda (LOCATION_STRUCT_L),Y
|
|
sta NOUN_VECTOR_L
|
|
iny
|
|
lda (LOCATION_STRUCT_L),Y
|
|
sta NOUN_VECTOR_H
|
|
|
|
lda #1
|
|
sta VALID_NOUN
|
|
rts
|
|
|
|
|
|
|
|
; update area pointer
|
|
where_notxlow:
|
|
iny
|
|
where_notxhigh:
|
|
iny
|
|
where_notylow:
|
|
iny
|
|
where_notyhigh:
|
|
iny
|
|
iny
|
|
iny
|
|
iny
|
|
iny
|
|
|
|
dex
|
|
bne where_loop
|
|
|
|
|
|
|
|
point_nowhere:
|
|
lda #0
|
|
sta VALID_NOUN
|
|
rts
|
|
|
|
|
|
lookout_action:
|
|
lda CURRENT_VERB
|
|
asl
|
|
tay
|
|
|
|
lda lookout_actions,Y
|
|
cmp #$ff
|
|
beq lookout_nothing
|
|
|
|
sta MESSAGE_L
|
|
lda lookout_actions+1,Y
|
|
sta MESSAGE_H
|
|
|
|
jmp do_display_message
|
|
|
|
lookout_nothing:
|
|
lda #VERB_WALK
|
|
sta CURRENT_VERB
|
|
rts
|
|
|
|
lookout_actions:
|
|
.word $FFFF ; give
|
|
.word doesnt_open ; open
|
|
.word doesnt_work ; close
|
|
.word $FFFF ; pick_up
|
|
.word lookout_look ; look_at
|
|
.word lookout_talk ; talk_to
|
|
.word doesnt_work ; use
|
|
.word icant_move ; push
|
|
.word icant_move ; pull
|
|
|
|
;0123456789012345678901234567890123456789
|
|
lookout_look:
|
|
.byte 7,21,"I THINK HE MIGHT BE ASLEEP.",0
|
|
lookout_talk:
|
|
.byte 16,21,"YIKES!!",0
|
|
|
|
doesnt_open:
|
|
.byte 9,21,"IT DOESN'T SEEM TO OPEN.",0
|
|
doesnt_work:
|
|
.byte 12,21,"THAT DOESN'T WORK.",0
|
|
icant_move:
|
|
.byte 12,21,"I CAN'T MOVE IT.",0
|
|
cant_pick_up:
|
|
.byte 10,21,"I CAN'T PICK THAT UP.",0
|
|
not_special:
|
|
.byte 1,21,"I DON'T SEE ANYTHING SPECIAL ABOUT IT.",0
|
|
for_what:
|
|
.byte 15,21,"FOR WHAT?",0
|
|
|
|
;=============================
|
|
; can't do anything with path
|
|
; real game they all make you walk there
|
|
path_action:
|
|
path_nothing:
|
|
lda #VERB_WALK
|
|
sta CURRENT_VERB
|
|
rts
|
|
|
|
;=============================
|
|
; can't do anything with stairs
|
|
; real game they all make you walk there
|
|
stairs_action:
|
|
stairs_nothing:
|
|
lda #VERB_WALK
|
|
sta CURRENT_VERB
|
|
rts
|
|
|
|
;======================
|
|
; door
|
|
door_action:
|
|
lda CURRENT_VERB
|
|
cmp #VERB_OPEN
|
|
bne check_door_close
|
|
|
|
lda #1
|
|
sta BAR_DOOR_OPEN
|
|
jmp door_nothing
|
|
|
|
check_door_close:
|
|
cmp #VERB_CLOSE
|
|
bne door_common
|
|
lda #0
|
|
sta BAR_DOOR_OPEN
|
|
jmp door_nothing
|
|
|
|
door_common:
|
|
asl
|
|
tay
|
|
|
|
lda door_actions,Y
|
|
cmp #$ff
|
|
beq door_nothing
|
|
|
|
sta MESSAGE_L
|
|
lda door_actions+1,Y
|
|
sta MESSAGE_H
|
|
|
|
jmp do_display_message
|
|
|
|
door_nothing:
|
|
lda #VERB_WALK
|
|
sta CURRENT_VERB
|
|
|
|
rts
|
|
|
|
|
|
door_actions:
|
|
.word $FFFF ; give
|
|
.word $FFFF ; open
|
|
.word $FFFF ; close
|
|
.word cant_pick_up ; pick_up
|
|
.word not_special ; look_at
|
|
.word $FFFF ; talk_to
|
|
.word doesnt_work ; use
|
|
.word icant_move ; push
|
|
.word icant_move ; pull
|
|
|
|
|
|
|
|
rts
|
|
|
|
moon_action:
|
|
moon_nothing:
|
|
lda #VERB_WALK
|
|
sta CURRENT_VERB
|
|
rts
|
|
|
|
;=============================
|
|
; can't do anything with cliffside
|
|
; real game they all make you walk there
|
|
cliffside_action:
|
|
cliffside_nothing:
|
|
lda #VERB_WALK
|
|
sta CURRENT_VERB
|
|
rts
|
|
|
|
poster_action:
|
|
lda CURRENT_VERB
|
|
asl
|
|
tay
|
|
|
|
lda poster_actions,Y
|
|
cmp #$ff
|
|
beq poster_nothing
|
|
|
|
sta MESSAGE_L
|
|
lda poster_actions+1,Y
|
|
sta MESSAGE_H
|
|
|
|
jmp do_display_message
|
|
|
|
poster_nothing:
|
|
lda #VERB_WALK
|
|
sta CURRENT_VERB
|
|
|
|
rts
|
|
|
|
|
|
poster_actions:
|
|
.word $FFFF ; give
|
|
.word doesnt_open ; open
|
|
.word doesnt_work ; close
|
|
.word cant_pick_up ; pick_up
|
|
.word poster_look ; look_at
|
|
.word $FFFF ; talk_to
|
|
.word doesnt_work ; use
|
|
.word icant_move ; push
|
|
.word icant_move ; pull
|
|
|
|
poster_look:
|
|
.byte 8,21,"RE-ELECT GOVERNOR MARLEY.",0
|
|
|
|
|
|
|
|
;=============================
|
|
map_action:
|
|
map_nothing:
|
|
lda #VERB_WALK
|
|
sta CURRENT_VERB
|
|
rts
|
|
|
|
|
|
|
|
do_display_message:
|
|
lda #1
|
|
sta DISPLAY_MESSAGE
|
|
lda #0
|
|
sta CURSOR_VISIBLE
|
|
lda #VERB_WALK
|
|
sta CURRENT_VERB
|
|
rts
|
|
|