peasant: update input to match actual game better

games/peasant/Makefile

@@ -232,6 +232,7 @@ qload.inc:	generate_common QLOAD
 	./generate_common -a 0xb00 -s hgr_partial_restore qload.lst >> qload.inc
 	./generate_common -a 0xb00 -s clear_bottom qload.lst >> qload.inc
 	./generate_common -a 0xb00 -s hgr_input qload.lst >> qload.inc
+	./generate_common -a 0xb00 -s done_hgr_input qload.lst >> qload.inc
 	./generate_common -a 0xb00 -s draw_box qload.lst >> qload.inc
 	./generate_common -a 0xb00 -s disp_put_string qload.lst >> qload.inc
 	./generate_common -a 0xb00 -s disp_one_line qload.lst >> qload.inc

games/peasant/hgr_input.s

@@ -5,66 +5,86 @@
 	; TODO: arbitrary Y location
 	; TODO: when backspacing, erase old char not XOR
 
+	; INPUT_X points to next char
+	;	we print to chars to right
+
 hgr_input:
-	bit	KEYRESET
+	ldx	INPUT_ACTIVE
+	bne	input_currently_happening
+
+	inc	INPUT_ACTIVE		; make input active
+
+	; current keypress in A
+
+	pha
+
+	; activate typing area
+
+	jsr	clear_bottom
 
 	ldx	#0
 	ldy	#184
 	lda	#'>'
 	jsr	hgr_put_char
 
-	ldx	#1
+	ldx	#0		; reset INPUT_X
 	stx	INPUT_X
 
-hgr_input_loop:
-	lda	KEYPRESS
-	bpl	hgr_input_loop
+	pla
+input_currently_happening:
 
-	bit	KEYRESET
+	; check for backspace
+	;	actually DELETE (on Apple IIe) or ^B (II+)
+	;	we can't use backspace/^H as maps to left arrow
+	;	and the game assumes that means you want to walk left
+	; this does mean it's hard to backspace on some emulators,
+	;	but that's an eternal challenge with Apple II emulators
 
-	and	#$7f			; trim off top?
-
-	cmp	#13			; if return, then done
-	beq	done_hgr_input
-
-	cmp	#$7f			; check if backspace
+	cmp	#$7f			; check if DELETE (backspace)
 	beq	hgr_input_backspace
-	cmp	#8
+	cmp	#2			; ^B, option for Apple II+
 	beq	hgr_input_backspace
 
 	ldx	INPUT_X
-	sta	input_buffer-1,X	; store to buffer
+	sta	input_buffer,X		; store to buffer
 
 	ldy	#184			; print char
 	ldx	INPUT_X
+	inx				; print two to the right
+	inx				; because of prompt
 	jsr	hgr_put_char
 
 	ldx	INPUT_X
-	cpx	#38
+	cpx	#37
 	bcs	input_too_big		; FIXME this is a hack
 	inc	INPUT_X
 input_too_big:
-	jmp	hgr_input_loop
+
+	rts
 
 hgr_input_backspace:
 	ldx	INPUT_X
-	cpx	#1		; don't backspace too far
-	beq	hgr_input_loop
+	beq	done_backspace		; don't backspace too far
 
 	dec	INPUT_X
 	ldx	INPUT_X
 
-	lda	input_buffer-1,X	; load old char
+	lda	input_buffer,X		; load old char
+	inx
+	inx
 	ldy	#184
 	jsr	hgr_put_char		; xor it on top
 
-	jmp	hgr_input_loop
+
+done_backspace:
+	rts
 
 done_hgr_input:
 
 	ldx	INPUT_X			; NUL terminate
 	lda	#0
-	sta	input_buffer-1,X
+	sta	INPUT_ACTIVE
+	sta	input_buffer,X
 
 	rts
 

games/peasant/intro/intro.s

@@ -16,6 +16,7 @@ peasant_quest_intro:
 	sta	ESC_PRESSED
 	sta	LEVEL_OVER
 	sta	PEASANT_STEPS
+	sta	INPUT_ACTIVE
 	sta	GAME_STATE_2
 
 	jsr	hgr_make_tables

games/peasant/keyboard.s

@@ -7,12 +7,15 @@
 	; Movement
 	;	Note in the game, pressing a key starts walking
 	;	To stop you have to press the same direction again
+	;	This is convenient as this is how actual Apple II works
 
 	; Text
-	;	We require ENTER/RETURN pressed before entering text
-	;		this is mildly annoying, but lets us use
-	;		WASD to walk.  The Apple II+ doesn't have
-	;		up or down buttons
+	;	We originally tries having WASD but it's a bit of a pain
+	;		so instead on Apple II+ use :,/ for up/down
+	;		and have text input like original game
+
+	;	Can walk while typing text, but
+	;		Once enter is pressed, stop walking
 
 check_keyboard:
 
@@ -21,17 +24,19 @@ check_keyboard:
 	rts
 
 key_was_pressed:
-	inc	SEEDL
+	bit	KEYRESET
 
-	and	#$5f		 ; strip off high bit and make uppercase
+	inc	SEEDL		; does this help?
+
+	and	#$7f			; strip off high bit
+
+	; don't convert to uppercase, we can handle lowercase
 
 	;==========================
 	; Left
 	;==========================
 check_left:
 	cmp	#$8
-	beq	left_pressed
-	cmp	#'A'
 	bne	check_right
 left_pressed:				; if peasant_moving_left, stop
 					; otherwise clear all movement, move left
@@ -54,8 +59,6 @@ continue_left:
 
 check_right:
 	cmp	#$15
-	beq	right_pressed
-	cmp	#'D'
 	bne	check_up
 right_pressed:
 
@@ -76,7 +79,7 @@ continue_right:
 	jmp	done_check_keyboard
 
 check_up:
-	cmp	#'W'
+	cmp	#';'
 	beq	up_pressed
 	cmp	#$0B
 	bne	check_down
@@ -102,7 +105,7 @@ continue_up:
 	jmp	done_check_keyboard
 
 check_down:
-	cmp	#'S'
+	cmp	#'/'
 	beq	down_pressed
 	cmp	#$0A
 	bne	check_enter
@@ -128,19 +131,29 @@ continue_down:
 check_enter:
 	cmp	#13
 	beq	enter_pressed
-	cmp	#' '
-	bne	done_check_keyboard
-enter_pressed:
-	jsr	clear_bottom
+
+all_other_keys:
+
 	jsr	hgr_input
 
+	; could tail-call here
+
+	jmp	done_check_keyboard
+
+enter_pressed:
+
+	jsr	stop_peasant
+
+	jsr	done_hgr_input
+
 	jsr	parse_input
 
 	jsr	clear_bottom
 
-done_check_keyboard:
+	lda	#0		; reset buffer
+	sta	input_buffer
 
-	bit	KEYRESET
+done_check_keyboard:
 
 	rts
 

games/peasant/parse_input.s

@@ -16,6 +16,7 @@ parse_input_file_begin:
 	; input is in input_buffer
 
 parse_input:
+
 	;===========================
 	; special case: pot on head
 

games/peasant/peasant2.s

@@ -344,16 +344,24 @@ skip_level_specific:
 	;====================
 	; check keyboard
 
+	lda	#13
+	sta	WAIT_LOOP
+wait_loop:
 	jsr	check_keyboard
 
 
+	lda	#50	; approx 7ms
+	jsr	wait
+
+	dec	WAIT_LOOP
+	bne	wait_loop
 
 
 	;=====================
 	; delay
 
-	lda	#200
-	jsr	wait
+;	lda	#200	; approx 100ms
+;	jsr	wait
 
 	jmp	game_loop
 

games/peasant/unused/hgr_input.s

@@ -0,0 +1,75 @@
+	;====================
+	; hgr input
+	;====================
+	; TODO: save to string
+	; TODO: arbitrary Y location
+	; TODO: when backspacing, erase old char not XOR
+
+hgr_input:
+	bit	KEYRESET
+
+	ldx	#0
+	ldy	#184
+	lda	#'>'
+	jsr	hgr_put_char
+
+	ldx	#1
+	stx	INPUT_X
+
+hgr_input_loop:
+	lda	KEYPRESS
+	bpl	hgr_input_loop
+
+	bit	KEYRESET
+
+	and	#$7f			; trim off top?
+
+	cmp	#13			; if return, then done
+	beq	done_hgr_input
+
+	cmp	#$7f			; check if backspace
+	beq	hgr_input_backspace
+	cmp	#8
+	beq	hgr_input_backspace
+
+	ldx	INPUT_X
+	sta	input_buffer-1,X	; store to buffer
+
+	ldy	#184			; print char
+	ldx	INPUT_X
+	jsr	hgr_put_char
+
+	ldx	INPUT_X
+	cpx	#38
+	bcs	input_too_big		; FIXME this is a hack
+	inc	INPUT_X
+input_too_big:
+	jmp	hgr_input_loop
+
+hgr_input_backspace:
+	ldx	INPUT_X
+	cpx	#1		; don't backspace too far
+	beq	hgr_input_loop
+
+	dec	INPUT_X
+	ldx	INPUT_X
+
+	lda	input_buffer-1,X	; load old char
+	ldy	#184
+	jsr	hgr_put_char		; xor it on top
+
+	jmp	hgr_input_loop
+
+done_hgr_input:
+
+	ldx	INPUT_X			; NUL terminate
+	lda	#0
+	sta	input_buffer-1,X
+
+	rts
+
+input_buffer:
+	.byte 0,0,0,0,0,0,0,0,0,0
+	.byte 0,0,0,0,0,0,0,0,0,0
+	.byte 0,0,0,0,0,0,0,0,0,0
+	.byte 0,0,0,0,0,0,0,0,0,0

games/peasant/zp.inc

@@ -261,6 +261,8 @@ END_OF_SAVE		= $AD
 CURRENT_VERB	= $B0		; parser
 CURRENT_NOUN	= $B1
 WORD_MATCH	= $B2
+INPUT_ACTIVE	= $B3
+WAIT_LOOP	= $B4
 
 INPUT_X		= $C0
 BOX_X1L		= $C1