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climb: update keyboard handling
This commit is contained in:
Vince Weaver
parent
26f4d89f3e
commit
e9822cfffc
@ -47,10 +47,16 @@ CLIMB: climb.o
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climb.o: climb.s zx02_optim.s \
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move_peasant_climb.s draw_peasant_climb.s \
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keyboard_climb.s \
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hgr_copy.s hgr_partial_restore.s \
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hgr_sprite.s hgr_sprite_bg_mask.s \
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random16.s \
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cliff_graphics/cliff_base.hgr.zx02 \
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cliff_graphics/cliff2.hgr.zx02 \
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cliff_graphics/cliff3.hgr.zx02 \
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cliff_graphics/cliff_base_priority.zx02 \
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cliff_graphics/cliff2_priority.zx02 \
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cliff_graphics/cliff3_priority.zx02 \
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sprites/enemy_sprites.inc \
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zp.inc hardware.inc \
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climbing_sprites.zx02
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@ -37,6 +37,7 @@ cliff_climb:
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sta ERASE_SPRITE_COUNT
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sta PEASANT_STEPS
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sta FLAME_COUNT
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sta CLIMB_COUNT
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lda #10
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sta PEASANT_X
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@ -411,7 +412,7 @@ done_cliff:
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.include "zx02_optim.s"
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.include "keyboard.s"
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.include "keyboard_climb.s"
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.include "draw_peasant_climb.s"
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@ -426,11 +427,17 @@ done_cliff:
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.include "random16.s"
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.include "gr_offsets.s"
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bg_data:
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.incbin "cliff_graphics/cliff_base.hgr.zx02"
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.incbin "cliff_graphics/cliff2.hgr.zx02"
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.incbin "cliff_graphics/cliff3.hgr.zx02"
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priority_data:
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.incbin "cliff_graphics/cliff_base_priority.zx02"
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.incbin "cliff_graphics/cliff2_priority.zx02"
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.incbin "cliff_graphics/cliff3_priority.zx02"
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sprites:
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.include "sprites/enemy_sprites.inc"
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@ -20,7 +20,7 @@ draw_peasant_climb:
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ldx PEASANT_DIR
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lda peasant_climb_offsets,X
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clc
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adc PEASANT_STEPS
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adc CLIMB_COUNT
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tax
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ldy #4 ; reserved for peasant
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118
games/peasant_mini/cliff/keyboard_climb.s
Normal file
118
games/peasant_mini/cliff/keyboard_climb.s
Normal file
@ -0,0 +1,118 @@
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;==========================
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; check keyboard
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; for climbig part
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;==========================
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; note, this is different from the rest of the game
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; pushing l/r/u/d only does one 5-frame animation of movement
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;
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; pressing another key while movement underway does not
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; cancel/override
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;
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; holding down key just restarts from scratch
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check_keyboard:
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lda KEYPRESS
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bmi key_was_pressed
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rts
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key_was_pressed:
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inc SEEDL ; ????
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and #$5f ; strip off high bit and make uppercase
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;===========================
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; check moving
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;===========================
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; only start moving if currently not
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check_moving:
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ldx CLIMB_COUNT
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beq check_left
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done_check_moving:
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jmp done_check_keyboard
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;==========================
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; Left
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;==========================
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check_left:
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cmp #$8
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beq left_pressed
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cmp #'A'
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bne check_right
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left_pressed:
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lda #PEASANT_DIR_LEFT
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sta PEASANT_DIR
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lda #$FF
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sta PEASANT_XADD
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bne done_keyboard_reset ; bra
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check_right:
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cmp #$15
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beq right_pressed
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cmp #'D'
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bne check_up
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right_pressed:
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lda #PEASANT_DIR_RIGHT
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sta PEASANT_DIR
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lda #$1
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sta PEASANT_XADD
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bne done_keyboard_reset ; bra
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check_up:
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cmp #'W'
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beq up_pressed
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cmp #$0B
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bne check_down
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up_pressed:
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lda #PEASANT_DIR_UP
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sta PEASANT_DIR
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lda #$FC
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sta PEASANT_YADD
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bne done_keyboard_reset ; bra
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check_down:
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cmp #'S'
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beq down_pressed
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cmp #$0A
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bne check_enter
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down_pressed:
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lda #PEASANT_DIR_DOWN
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sta PEASANT_DIR
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lda #$4
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sta PEASANT_YADD
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bne done_keyboard_reset ; bra
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check_enter:
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cmp #13
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beq enter_pressed
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cmp #' '
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bne done_check_keyboard
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enter_pressed:
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done_keyboard_reset:
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lda #4
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sta CLIMB_COUNT ; start climbing
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bit KEYRESET
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done_check_keyboard:
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; bit KEYRESET ; should we?
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rts
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@ -5,7 +5,7 @@ move_peasant:
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; redraw peasant if moved
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lda PEASANT_XADD
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ora PEASANT_YADD
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ora PEASANT_YADD ; sneaky way to see if both nonzero
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bne really_move_peasant
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jmp peasant_the_same
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@ -4,20 +4,22 @@ move_peasant:
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; redraw peasant if moved
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lda PEASANT_XADD
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ora PEASANT_YADD
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lda CLIMB_COUNT
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bne really_move_peasant
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jmp peasant_the_same
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really_move_peasant:
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; increment step count, wrapping at 4
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; decrement climb count
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inc PEASANT_STEPS
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lda PEASANT_STEPS
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and #3
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sta PEASANT_STEPS
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dec CLIMB_COUNT
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bne climb_continue
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climb_stop:
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jsr stop_peasant
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climb_continue:
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; restore bg behind peasant
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@ -37,10 +39,12 @@ really_move_peasant:
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lda PEASANT_X
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adc PEASANT_XADD ; A = new X
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bmi peasant_x_negative ; if newx <0, handle
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; in theory this can't happen when climbing
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cmp #40
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bcs peasant_x_toobig ; if newx>=40, hanfle (bge)
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; bmi peasant_x_negative ; if newx <0, handle
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; cmp #40
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; bcs peasant_x_toobig ; if newx>=40, handle (bge)
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;======================================
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@ -68,28 +72,28 @@ really_move_peasant:
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jmp do_move_peasant_y
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;============================
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peasant_x_toobig:
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;peasant_x_toobig:
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jsr move_map_east
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; jsr move_map_east
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lda #0 ; new X location
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; lda #0 ; new X location
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jmp done_movex
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; jmp done_movex
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;============================
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peasant_x_negative:
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;peasant_x_negative:
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jsr move_map_west
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; jsr move_map_west
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lda #39 ; new X location
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; lda #39 ; new X location
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jmp done_movex
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; jmp done_movex
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; check edge of screen
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done_movex:
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;done_movex:
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; if we get here we changed screens
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sta PEASANT_X ; update new location
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jmp peasant_the_same ; skip checking for Y collision
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; sta PEASANT_X ; update new location
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; jmp peasant_the_same ; skip checking for Y collision
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@ -100,9 +104,12 @@ do_move_peasant_y:
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lda PEASANT_Y
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adc PEASANT_YADD ; newy in A
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cmp #45 ; if <45 then off screen
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cmp #12 ; if <12 then off screen
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bcc peasant_y_negative ; blt
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; FIXME: in theory can never go down
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cmp #160 ; if >=150 then off screen
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bcs peasant_y_toobig ; bge
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@ -130,7 +137,7 @@ peasant_y_toobig:
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jsr move_map_south
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lda #45 ; new X location
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lda #12 ; new Y location
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jmp done_movey
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@ -140,7 +147,7 @@ peasant_y_negative:
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jsr move_map_north
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lda #160 ; new X location
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lda #160 ; new Y location
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jmp done_movey
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@ -254,5 +261,9 @@ move_map_south:
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rts
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.include "gr_offsets.s"
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stop_peasant:
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lda #0
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sta PEASANT_XADD
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sta PEASANT_YADD
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sta PEASANT_DIR ; PEASANT_UP is 0
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rts
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@ -271,6 +271,7 @@ CURRENT_DISK = $DC
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HGR_COLOR = $E4
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HGR_PAGE = $E6
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CLIMB_COUNT = $ED
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FLAME_COUNT = $EE
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CURRENT_ROCK = $EF
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ERASE_SPRITE_COUNT = $F0
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