dos33fsprogs/games/peasant/parse_input.s
2021-10-12 08:18:33 -04:00

563 lines
9.5 KiB
ArmAsm

.include "tokens.inc"
;==========================
; parse input
;==========================
; input is in input_buffer
parse_input:
; uppercase buffer
ldx #0
upcase_loop:
lda input_buffer,X
beq done_upcase_loop
and #$DF
sta input_buffer,X
inx
jmp upcase_loop
done_upcase_loop:
;=====================
; get the verb
jsr get_verb
;=====================
; get the noun
; jsr get_noun
;=============================
; handle room-specific actions
; jsr local_parser
;================================
; fall through to default actions
lda CURRENT_VERB
; jump table
asl
tax
lda verb_table+1, X ; high byte first
pha
lda verb_table,X ; low byte next
pha
rts ; jump to routine
;================
; cheat
;================
parse_cheat:
lda #<cheat_message
sta OUTL
lda #>cheat_message
jmp finish_parse_message
;=================
; copy
;=================
parse_copy:
; want copy
lda #NEW_FROM_DISK
sta GAME_OVER
lda #LOAD_COPY_CHECK
sta WHICH_LOAD
jmp done_parse_message
;===================
; dance
;===================
parse_dance:
lda #<dance_message
sta OUTL
lda #>dance_message
jmp finish_parse_message
;=====================
; drink
;=====================
parse_drink:
lda #<drink_message
sta OUTL
lda #>drink_message
sta OUTH
jsr print_text_message
jsr wait_until_keypress
jsr hgr_partial_restore
lda #<drink_message2
sta OUTL
lda #>drink_message2
sta OUTH
jmp finish_parse_message
;====================
; inventory
;====================
parse_inventory:
jsr show_inventory
jmp restore_parse_message
;=====================
; load
;=====================
parse_load:
jsr load_menu
jmp restore_parse_message
;=================
; look
;=================
parse_look:
lda #<look_irrelevant_message
sta OUTL
lda #>look_irrelevant_message
jmp finish_parse_message
;===================
; talk
;===================
parse_talk:
lda #<talk_noone_message
sta OUTL
lda #>talk_noone_message
jmp finish_parse_message
;===================
; save
;===================
parse_save:
jsr save_menu
jmp restore_parse_message
;===================
; show
;===================
parse_show:
bit LORES
bit PAGE1
jsr wait_until_keypress
bit PAGE2
bit HIRES
jmp done_parse_message
;=====================
; version
;=====================
parse_version:
lda #<version_message
sta OUTL
lda #>version_message
jmp finish_parse_message
;=====================
; where
;=====================
parse_where:
ldx MAP_LOCATION
lda location_names_l,X
sta INL
lda location_names_h,X
sta INH
lda #<(where_message+22)
sta OUTL
lda #>(where_message+22)
sta OUTH
ldy #0
where_loop:
lda (INL),Y
sta (OUTL),Y
beq where_done
iny
bne where_loop ; bra
where_done:
lda #<where_message
sta OUTL
lda #>where_message
jmp finish_parse_message
;==================
; unknown
;=================
parse_ask:
parse_boo:
parse_break:
parse_buy:
parse_climb:
parse_close:
parse_deploy:
parse_die:
parse_ditch:
parse_drop:
parse_enter:
parse_feed:
parse_get:
parse_give:
parse_go:
parse_haldo:
parse_jump:
parse_kick:
parse_kill:
parse_knock:
parse_light:
parse_make:
parse_map:
parse_no:
parse_open:
parse_party:
parse_pet:
parse_play:
parse_pull:
parse_punch:
parse_push:
parse_put:
parse_pwd:
parse_quit:
parse_read:
parse_ride:
parse_ring:
parse_scare:
parse_shoot:
parse_sit:
parse_skip:
parse_sleep:
parse_smell:
parse_sniff:
parse_steal:
parse_swim:
parse_take:
parse_this:
parse_throw:
parse_try:
parse_turn:
parse_use:
parse_wake:
parse_wear:
parse_what:
parse_why:
parse_yet:
parse_unknown:
lda #<help_message
sta OUTL
lda #>help_message
jmp finish_parse_message
finish_parse_message:
sta OUTH
jsr print_text_message
jsr wait_until_keypress
restore_parse_message:
jsr hgr_partial_restore
; lda last_bg_l
; sta getsrc_smc+1
; lda last_bg_h
; sta getsrc_smc+2
; lda #$40
; jsr decompress_lzsa2_fast
done_parse_message:
rts
;===========================
; get verb
;===========================
;
get_verb:
lda #VERB_UNKNOWN ; default
sta CURRENT_VERB
lda #<verb_lookup ; reset verb pointer
sta get_verb_loop+1
lda #>verb_lookup
sta get_verb_loop+2
next_verb_loop:
ldx #0
stx WORD_MATCH
get_verb_loop:
lda verb_lookup
bmi done_verb
beq done_get_verb_loop
cmp input_buffer,X
beq verb_char_matched
verb_char_nomatch:
dec WORD_MATCH
verb_char_matched:
jsr inc_verb_ptr
inx
jmp get_verb_loop
done_verb:
ldx WORD_MATCH
beq found_verb
no_found_verb:
jsr inc_verb_ptr
jmp next_verb_loop
found_verb:
and #$7f
sta CURRENT_VERB
done_get_verb_loop:
rts
inc_verb_ptr:
inc get_verb_loop+1
bne inc_verb_ptr_noflo
inc get_verb_loop+2
inc_verb_ptr_noflo:
rts
verb_lookup:
.byte "CHEAT",VERB_CHEAT|$80
.byte "COPY",VERB_COPY|$80
.byte "DANCE",VERB_DANCE|$80
.byte "DRINK",VERB_DRINK|$80
.byte "INV",VERB_INVENTORY|$80
.byte "LOAD",VERB_LOAD|$80
.byte "LOOK",VERB_LOOK|$80
.byte "TALK",VERB_TALK|$80
.byte "SAVE",VERB_SAVE|$80
.byte "SHOW",VERB_SHOW|$80
.byte "VER",VERB_VERSION|$80
.byte "WHERE",VERB_WHERE|$80
.byte $00
.include "text/common.inc"
;======================
; print text message
; OUTL/OUTH point to message
; first we need to calculate the size of the message (lines)
; next we need to set up the box
print_text_message:
jsr count_message_lines
ldy message_len
dey
lda message_x1h,Y
sta BOX_X1H
lda message_x1l,Y
sta BOX_X1L
lda message_y1,Y
sta BOX_Y1
lda message_x2h,Y
sta BOX_X2H
lda message_x2l,Y
sta BOX_X2L
lda message_y2,Y
sta BOX_Y2
tya
pha
jsr hgr_partial_save
jsr draw_box
pla
tay
lda message_tx,Y
sta CURSOR_X
lda message_ty,Y
sta CURSOR_Y
jsr disp_put_string_cursor
rts
;.byte 0,43,24, 0,253,82
;.byte 8,41
; alternate 1
;.byte 0,35,34, 0,253,72
;.byte 7,49,"OK go for it.",0
; .byte 0,35,34, 0,253,82
; .byte 7,49
; 1 2 3 4 5 6 7 8
message_x1h: .byte 0, 0, 0, 0, 0, 0, 0, 0
message_x1l: .byte 35, 35, 35, 35, 35, 35, 35, 35
message_y1: .byte 24, 24, 24, 24, 20, 20, 20, 20
message_x2h: .byte 0, 0, 0, 0, 0, 0, 0, 0
message_x2l: .byte 253, 253, 253, 253, 253, 253, 253, 253
message_y2: .byte 54, 62, 82, 82, 86, 86, 86, 86
message_tx: .byte 7, 7, 7, 7, 7, 7, 7, 7
message_ty: .byte 36, 36, 41, 35, 33, 33, 33, 33
;======================
; count message lines
; in OUTL/OUTH
count_message_lines:
ldy #0
sty message_len
count_message_lines_loop:
lda (OUTL),Y
beq count_message_done
cmp #13
bne count_message_not_cr
inc message_len
count_message_not_cr:
iny
bne count_message_lines_loop ; bra
count_message_done:
inc message_len ; increment for end of message too
rts
message_len:
.byte $0
last_bg_l: .byte $00
last_bg_h: .byte $00
verb_table:
.word parse_unknown-1 ; VERB_UNKNOWN = 0
.word parse_ask-1 ; VERB_ASK = 1
.word parse_boo-1 ; VERB_BOO = 2
.word parse_break-1 ; VERB_BREAK = 3
.word parse_buy-1 ; VERB_BUY = 4
.word parse_cheat-1 ; VERB_CHEAT = 5
.word parse_climb-1 ; VERB_CLIMB = 6
.word parse_close-1 ; VERB_CLOSE = 7
.word parse_copy-1 ; VERB_COPY = 8
.word parse_dance-1 ; VERB_DANCE = 9
.word parse_deploy-1 ; VERB_DEPLOY = 10
.word parse_die-1 ; VERB_DIE = 11
.word parse_ditch-1 ; VERB_DITCH = 12
.word parse_drink-1 ; VERB_DRINK = 13
.word parse_drop-1 ; VERB_DROP = 14
.word parse_enter-1 ; VERB_ENTER = 15
.word parse_feed-1 ; VERB_FEED = 16
.word parse_get-1 ; VERB_GET = 17
.word parse_give-1 ; VERB_GIVE = 18
.word parse_go-1 ; VERB_GO = 19
.word parse_haldo-1 ; VERB_HALDO = 20
.word parse_inventory-1 ; VERB_INVENTORY= 21
.word parse_jump-1 ; VERB_JUMP = 22
.word parse_kick-1 ; VERB_KICK = 23
.word parse_kill-1 ; VERB_KILL = 24
.word parse_knock-1 ; VERB_KNOCK = 25
.word parse_light-1 ; VERB_LIGHT = 26
.word parse_load-1 ; VERB_LOAD = 27
.word parse_look-1 ; VERB_LOOK = 28
.word parse_make-1 ; VERB_MAKE = 29
.word parse_map-1 ; VERB_MAP = 30
.word parse_no-1 ; VERB_NO = 31
.word parse_open-1 ; VERB_OPEN = 32
.word parse_party-1 ; VERB_PARTY = 33
.word parse_pet-1 ; VERB_PET = 34
.word parse_play-1 ; VERB_PLAY = 35
.word parse_pull-1 ; VERB_PULL = 36
.word parse_punch-1 ; VERB_PUNCH = 37
.word parse_push-1 ; VERB_PUSH = 38
.word parse_put-1 ; VERB_PUT = 39
.word parse_pwd-1 ; VERB_PWD = 40
.word parse_quit-1 ; VERB_QUIT = 41
.word parse_read-1 ; VERB_READ = 42
.word parse_ride-1 ; VERB_RIDE = 43
.word parse_ring-1 ; VERB_RING = 44
.word parse_save-1 ; VERB_SAVE = 45
.word parse_scare-1 ; VERB_SCARE = 46
.word parse_shoot-1 ; VERB_SHOOT = 47
.word parse_show-1 ; VERB_SHOW = 48
.word parse_sit-1 ; VERB_SIT = 49
.word parse_skip-1 ; VERB_SKIP = 50
.word parse_sleep-1 ; VERB_SLEEP = 51
.word parse_smell-1 ; VERB_SMELL = 52
.word parse_sniff-1 ; VERB_SNIFF = 53
.word parse_steal-1 ; VERB_STEAL = 54
.word parse_swim-1 ; VERB_SWIM = 55
.word parse_take-1 ; VERB_TAKE = 56
.word parse_talk-1 ; VERB_TALK = 57
.word parse_this-1 ; VERB_THIS = 58
.word parse_throw-1 ; VERB_THROW = 59
.word parse_try-1 ; VERB_TRY = 60
.word parse_turn-1 ; VERB_TURN = 61
.word parse_use-1 ; VERB_USE = 62
.word parse_version-1 ; VERB_VERSION = 63
.word parse_wake-1 ; VERB_WAKE = 64
.word parse_wear-1 ; VERB_WEAR = 65
.word parse_what-1 ; VERB_WHAT = 66
.word parse_where-1 ; VERB_WHERE = 67
.word parse_why-1 ; VERB_WHY = 68
.word parse_yet-1 ; VERB_YES = 69