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FOOT.ELPC
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FOOT.ELPC
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' Way of the Imploding Foot
' -------------------------
' A collaborative team-effort game made by the MEGA65 community
'
' Gurce:
' -----
' - Initial background art
' - Eleven code infrastructure
' - Initial Game mechanics
' Deft:
' ----
' - Artistic player head permutations
#output "foot"
' BANK4 Memory usage
' ------------------
' 4.0000 DMA-LIST
' 4.0100 SUNSET PALETTES (each palette is 16*3 in size, have 12 palettes)
' 4.0800 SCREEN MEMORY
' 4.2000 PETSCII GRAPHICS
' BANK5 Memory usage
' ------------------
' 5.0000 screen buffer
' 5.1000 color ram buffer
' 5.2000 doubled-up layer buffer
' uncomment this line to add debug output
#declare DEBUG = 0
.petscii vars
'------------
#define FORM_LAYER = 0
#define FORM_HUMAN = 1
#define FORM_DUCK = 2
#define FORM_MAX = 3
#define DAT_LAYER = 0
#define DAT_PLAYER1 = 1
#define DAT_PLAYER2 = 2
#define DAT_PLAYER3 = 3
#define DAT_PLAYER4 = 4
#define DAT_DUCK = 5
#define DAT_MAX = 6
#declare data_addr = $42000
#declare max_frames(FORM_MAX)
#declare frame_addr(DAT_MAX, 25)
#declare frame_dblup_addr(64)
#declare jdir_raw, jfire, jdir
#declare frm_idx = 0
#declare frmw, frmh,frmx,frmy,frmx1,frmy1,frameidx,cdata_addr
#declare yy, scraddr,clraddr
#declare a$, lidx, k, x, y
#declare src_addr, dest_addr, length, transp
#declare dest_mb_sel, dest_bank
#declare form, sz
#define PLAYER = 0
#define BADDIE = 1
#declare character
#declare opponent_data_addr
#declare dblup_addr = $52000
#declare kneel_flag
#declare baddie_kneel_flag
#declare mirror, player_mirror, baddie_mirror, opponent_mirror, tmp_mirror
#declare px, py ' player x,y
#declare bx, by ' baddie x,y
#declare player_energy = 18
#declare lag_penergy = 0
#declare baddie_energy = 18
#declare lag_benergy = 0
#declare x1,y1,x2,y2, draw_color, idx, tmpx1
#declare p_x1, p_y1, p_x2, p_y2
#declare o_x1, o_y1, o_x2, o_y2
#declare ret%
#declare dat_idx, player_dat_idx, baddie_dat_idx
#declare player_dat_fixed, baddie_dat_fixed
#declare tmp
#define CHAR_BOX_TL = 112
#define CHAR_BOX_TR = 110
#define CHAR_BOX_BL = 109
#define CHAR_BOX_BR = 125
#define CHAR_HORZ = 64
#define CHAR_VERT = 93
#define CHAR_SPACE = 32
.joystick_defs
'-------------
#define J_UP = 1
#define J_UP_RIGHT = 2
#define J_RIGHT = 3
#define J_DOWN_RIGHT = 4
#define J_DOWN = 5
#define J_DOWN_LEFT = 6
#define J_LEFT = 7
#define J_UP_LEFT = 8
#define J_FIRE = 128
#define JD_UP = 1
#define JD_UP_FORWARD = 2
#define JD_FORWARD = 3
#define JD_DOWN_FORWARD = 4
#define JD_DOWN = 5
#define JD_DOWN_BACKWARD = 6
#define JD_BACKWARD = 7
#define JD_UP_BACKWARD = 8
#declare jd(1,8) ' directional joystick (player direction neutral)
jd(0, J_UP) = JD_UP
jd(0, J_UP_RIGHT) = JD_UP_FORWARD
jd(0, J_RIGHT) = JD_FORWARD
jd(0, J_DOWN_RIGHT) = JD_DOWN_FORWARD
jd(0, J_DOWN) = JD_DOWN
jd(0, J_DOWN_LEFT) = JD_DOWN_BACKWARD
jd(0, J_LEFT) = JD_BACKWARD
jd(0, J_UP_LEFT) = JD_UP_BACKWARD
jd(1, J_UP) = JD_UP
jd(1, J_UP_RIGHT) = JD_UP_BACKWARD
jd(1, J_RIGHT) = JD_FORWARD
jd(1, J_DOWN_RIGHT) = JD_DOWN_BACKWARD
jd(1, J_DOWN) = JD_DOWN
jd(1, J_DOWN_LEFT) = JD_DOWN_FORWARD
jd(1, J_LEFT) = JD_FORWARD
jd(1, J_UP_LEFT) = JD_UP_FORWARD
.imgs
'----
#define IMG_CLOUDS = 0
#define IMG_SKY = 1
#define IMG_LT_MOUNT = 2
#define IMG_DK_MOUNT = 3
#define IMG_WATER = 4
#define IMG_HI_GROUND = 5
#define IMG_LO_GROUND = 6
#define IMG_SUN = 7
#define IMG_PWALK1 = 0
#define IMG_PWALK2 = 1
#define IMG_PWALK3 = 2
#define IMG_PPUNCH1 = 3
#define IMG_PPUNCH2 = 4
#define IMG_PPUNCH3 = 5
#define IMG_PKICK1 = 6
#define IMG_PKICK2 = 7
#define IMG_PKICK3 = 8
#define IMG_PKNEEL1 = 9
#define IMG_PKNEEL2 = 10
#define IMG_PKNEEL3 = 11
#define IMG_PKPUNCH1 = 12
#define IMG_PKPUNCH2 = 13
#define IMG_PKPUNCH3 = 14
#define IMG_PKKICK1 = 15
#define IMG_PKKICK2 = 16
#define IMG_PKKICK3 = 17
#define IMG_PDIE1 = 18
#define IMG_PDIE2 = 19
#define IMG_PDIE3 = 20
#define IMG_PDIE4 = 21
#define IMG_PDIE5 = 22
#define IMG_DWALK1 = 0
#define IMG_DWALK2 = 1
#define IMG_DWALK3 = 2
#define IMG_DQUACK1 = 3
#define IMG_DQUACK2 = 4
#define IMG_DQUACK3 = 5
#define IMG_DDIE1 = 6
#define IMG_DDIE2 = 7
#define IMG_DDIE3 = 8
#define IMG_DDIE4 = 9
#define IMG_DDIE5 = 10
#define HIGHEST_LAYER = 7
#declare fx, fy
#declare xoffs(HIGHEST_LAYER) ' offset into cycling of graphic
#declare draw_order(HIGHEST_LAYER)
draw_order(0) = IMG_SKY
draw_order(1) = IMG_SUN
draw_order(2) = IMG_CLOUDS
draw_order(3) = IMG_LT_MOUNT
draw_order(4) = IMG_DK_MOUNT
draw_order(5) = IMG_WATER
draw_order(6) = IMG_HI_GROUND
draw_order(7) = IMG_LO_GROUND
#declare offs_amount(HIGHEST_LAYER)
offs_amount(0) = .7
offs_amount(1) = 0
offs_amount(2) = .1
offs_amount(3) = .5
offs_amount(4) = 1
offs_amount(5) = 1.5
offs_amount(6) = 2
#declare palidx, ptr
.anims
'-----
#define ANIM_PWALK = 0
#define ANIM_PPUNCH = 1
#define ANIM_PKICK = 2
#define ANIM_PKNEEL_DN = 3
#define ANIM_PKNEEL_UP = 4
#define ANIM_PKPUNCH = 5
#define ANIM_PKKICK = 6
#define ANIM_PDIE = 7
#define ANIM_PJUMP = 8
#define ANIM_DWALK = 0
#define ANIM_DQUACK = 1
#define ANIM_DDIE = 2
#define ANIM_MAX = 10
#declare anim_order(FORM_MAX, ANIM_MAX, 10)
anim_order(FORM_HUMAN, ANIM_PWALK, 0) = IMG_PWALK1
anim_order(FORM_HUMAN, ANIM_PWALK, 1) = IMG_PWALK2
anim_order(FORM_HUMAN, ANIM_PWALK, 2) = IMG_PWALK3
anim_order(FORM_HUMAN, ANIM_PWALK, 3) = IMG_PWALK2
anim_order(FORM_HUMAN, ANIM_PPUNCH, 0) = IMG_PPUNCH1
anim_order(FORM_HUMAN, ANIM_PPUNCH, 1) = IMG_PPUNCH2
anim_order(FORM_HUMAN, ANIM_PPUNCH, 2) = IMG_PPUNCH3
anim_order(FORM_HUMAN, ANIM_PPUNCH, 3) = IMG_PPUNCH2
anim_order(FORM_HUMAN, ANIM_PPUNCH, 4) = IMG_PPUNCH1
anim_order(FORM_HUMAN, ANIM_PKICK, 0) = IMG_PKICK1
anim_order(FORM_HUMAN, ANIM_PKICK, 1) = IMG_PKICK2
anim_order(FORM_HUMAN, ANIM_PKICK, 2) = IMG_PKICK3
anim_order(FORM_HUMAN, ANIM_PKICK, 3) = IMG_PKICK2
anim_order(FORM_HUMAN, ANIM_PKICK, 4) = IMG_PKICK1
anim_order(FORM_HUMAN, ANIM_PKNEEL_DN, 0) = IMG_PKNEEL1
anim_order(FORM_HUMAN, ANIM_PKNEEL_DN, 1) = IMG_PKNEEL2
anim_order(FORM_HUMAN, ANIM_PKNEEL_DN, 2) = IMG_PKNEEL3
anim_order(FORM_HUMAN, ANIM_PKNEEL_UP, 0) = IMG_PKNEEL2
anim_order(FORM_HUMAN, ANIM_PKNEEL_UP, 1) = IMG_PKNEEL1
anim_order(FORM_HUMAN, ANIM_PKPUNCH, 0) = IMG_PKPUNCH1
anim_order(FORM_HUMAN, ANIM_PKPUNCH, 1) = IMG_PKPUNCH2
anim_order(FORM_HUMAN, ANIM_PKPUNCH, 2) = IMG_PKPUNCH3
anim_order(FORM_HUMAN, ANIM_PKPUNCH, 3) = IMG_PKPUNCH2
anim_order(FORM_HUMAN, ANIM_PKPUNCH, 4) = IMG_PKPUNCH1
anim_order(FORM_HUMAN, ANIM_PKKICK, 0) = IMG_PKKICK1
anim_order(FORM_HUMAN, ANIM_PKKICK, 1) = IMG_PKKICK2
anim_order(FORM_HUMAN, ANIM_PKKICK, 2) = IMG_PKKICK3
anim_order(FORM_HUMAN, ANIM_PKKICK, 3) = IMG_PKKICK2
anim_order(FORM_HUMAN, ANIM_PKKICK, 4) = IMG_PKKICK1
anim_order(FORM_HUMAN, ANIM_PDIE, 0) = IMG_PDIE1
anim_order(FORM_HUMAN, ANIM_PDIE, 1) = IMG_PDIE2
anim_order(FORM_HUMAN, ANIM_PDIE, 2) = IMG_PDIE3
anim_order(FORM_HUMAN, ANIM_PDIE, 3) = IMG_PDIE4
anim_order(FORM_HUMAN, ANIM_PDIE, 4) = IMG_PDIE5
anim_order(FORM_HUMAN, ANIM_PDIE, 5) = IMG_PDIE5
anim_order(FORM_HUMAN, ANIM_PDIE, 6) = IMG_PDIE5
anim_order(FORM_HUMAN, ANIM_PDIE, 7) = IMG_PDIE5
anim_order(FORM_HUMAN, ANIM_PDIE, 8) = IMG_PDIE5
anim_order(FORM_HUMAN, ANIM_PJUMP, 0) = IMG_PKNEEL1
anim_order(FORM_HUMAN, ANIM_PJUMP, 1) = IMG_PKNEEL2
anim_order(FORM_DUCK, ANIM_DWALK, 0) = IMG_DWALK1
anim_order(FORM_DUCK, ANIM_DWALK, 1) = IMG_DWALK2
anim_order(FORM_DUCK, ANIM_DWALK, 2) = IMG_DWALK3
anim_order(FORM_DUCK, ANIM_DWALK, 3) = IMG_DWALK2
anim_order(FORM_DUCK, ANIM_DQUACK, 0) = IMG_DQUACK1
anim_order(FORM_DUCK, ANIM_DQUACK, 1) = IMG_DQUACK2
anim_order(FORM_DUCK, ANIM_DQUACK, 2) = IMG_DQUACK3
anim_order(FORM_DUCK, ANIM_DQUACK, 3) = IMG_DQUACK2
anim_order(FORM_DUCK, ANIM_DQUACK, 4) = IMG_DQUACK1
anim_order(FORM_DUCK, ANIM_DDIE, 0) = IMG_DDIE1
anim_order(FORM_DUCK, ANIM_DDIE, 1) = IMG_DDIE2
anim_order(FORM_DUCK, ANIM_DDIE, 2) = IMG_DDIE3
anim_order(FORM_DUCK, ANIM_DDIE, 3) = IMG_DDIE4
anim_order(FORM_DUCK, ANIM_DDIE, 4) = IMG_DDIE5
anim_order(FORM_DUCK, ANIM_DDIE, 5) = IMG_DDIE5
anim_order(FORM_DUCK, ANIM_DDIE, 6) = IMG_DDIE5
anim_order(FORM_DUCK, ANIM_DDIE, 7) = IMG_DDIE5
anim_order(FORM_DUCK, ANIM_DDIE, 8) = IMG_DDIE5
#declare max_frame(FORM_MAX, ANIM_MAX)
max_frame(FORM_HUMAN, ANIM_PWALK) = 4
max_frame(FORM_HUMAN, ANIM_PPUNCH) = 5
max_frame(FORM_HUMAN, ANIM_PKICK) = 5
max_frame(FORM_HUMAN, ANIM_PKNEEL_DN) = 3
max_frame(FORM_HUMAN, ANIM_PKNEEL_UP) = 2
max_frame(FORM_HUMAN, ANIM_PKPUNCH) = 5
max_frame(FORM_HUMAN, ANIM_PKKICK) = 5
max_frame(FORM_HUMAN, ANIM_PDIE) = 9
max_frame(FORM_HUMAN, ANIM_PJUMP) = 2
max_frame(FORM_DUCK, ANIM_DWALK) = 4
max_frame(FORM_DUCK, ANIM_DQUACK) = 5
max_frame(FORM_DUCK, ANIM_DDIE) = 9
.fanim
#declare player_form = 1 ' HUMAN
#declare baddie_form = 1
#define FANIM_WALK = 0
#define FANIM_PUNCH = 1
#define FANIM_KICK = 2
#define FANIM_KNEEL_DN = 3
#define FANIM_KNEEL_UP = 4
#define FANIM_KPUNCH = 5
#define FANIM_KKICK = 6
#define FANIM_DIE = 7
#define FANIM_JUMP = 8
#define FANIM_MAX = 9
#declare form_anim(FORM_MAX, FANIM_MAX)
form_anim(FORM_HUMAN, FANIM_WALK) = ANIM_PWALK
form_anim(FORM_HUMAN, FANIM_PUNCH) = ANIM_PPUNCH
form_anim(FORM_HUMAN, FANIM_KICK) = ANIM_PKICK
form_anim(FORM_HUMAN, FANIM_KNEEL_DN) = ANIM_PKNEEL_DN
form_anim(FORM_HUMAN, FANIM_KNEEL_UP) = ANIM_PKNEEL_UP
form_anim(FORM_HUMAN, FANIM_KPUNCH) = ANIM_PKPUNCH
form_anim(FORM_HUMAN, FANIM_KKICK) = ANIM_PKKICK
form_anim(FORM_HUMAN, FANIM_DIE) = ANIM_PDIE
form_anim(FORM_HUMAN, FANIM_JUMP) = ANIM_PJUMP
form_anim(FORM_DUCK, FANIM_WALK) = ANIM_DWALK
form_anim(FORM_DUCK, FANIM_PUNCH) = ANIM_DQUACK
form_anim(FORM_DUCK, FANIM_KICK) = ANIM_DQUACK
form_anim(FORM_DUCK, FANIM_DIE) = ANIM_DDIE
#declare player_frame = 0
#declare player_anim = 0 ' ANIM_PWALK
#declare baddie_frame = 0
#declare baddie_anim = 0 ' ANIM_PWALK
.offsets
#define OFFSET_DATA_SIZE = 0
#define OFFSET_NUM_FRAMES = 2
#define OFFSET_FRAME0 = 3
#define FRM_OFFSET_X = 0
#define FRM_OFFSET_Y = 1
#define FRM_OFFSET_W = 2
#define FRM_OFFSET_H = 3
#define FRM_OFFSET_HITBOXES = 4
#define FRM_OFFSET_HB_HEAD = 4
#define FRM_OFFSET_HB_TORSO = 8
#define FRM_OFFSET_HB_FEET = 12
#define FRM_OFFSET_HB_ATTACK = 16
#define FRM_OFFSET_DATA = 20
#declare bx_offs(3)
bx_offs(0) = FRM_OFFSET_HB_HEAD
bx_offs(1) = FRM_OFFSET_HB_TORSO
bx_offs(2) = FRM_OFFSET_HB_FEET
bx_offs(3) = FRM_OFFSET_HB_ATTACK
.music_vars
'----------
#define chunk_max = 50
#declare chunk_cnt, chunk_idx, vidx, tmpo%, row
#declare echo_m, echo_b, echo_sz = .05, chunk_rpt, echo_delay
#declare v$(5,chunk_max), v
#declare song$
#declare v1$, v2$, v3$, v4$, v5$, v6$
#declare curr_freq, curr_dir
#struct ENVTYPE name$, attack, decay, sustain, release, waveform, pw
ENVTYPE envs(9) = [ {x5F}
[ "Piano", 0, 9, 0, 0, 2, 1536 ], {x5F}
[ "Accordion", 12, 0, 12, 0, 1, 0 ], {x5F}
[ "Calliope", 0, 0, 15, 0, 0, 0 ], {x5F}
[ "Drum", 0, 5, 5, 0, 3, 0 ], {x5F}
[ "Flute", 9, 4, 4, 0, 0, 0 ], {x5F}
[ "Guitar", 0, 9, 2, 1, 1, 0 ], {x5F}
[ "Harpsicrd", 0, 9, 0, 0, 2, 512 ], {x5F}
[ "Organ", 0, 9, 9, 0, 2, 2048 ], {x5F}
[ "Trumpet", 8, 9, 4, 1, 2, 512 ], {x5F}
[ "Xylophone", 0, 9, 0, 0, 0, 0 ] {x5F}
]
#define DIR_NONE = 0
#define DIR_UP = 1
#define DIR_DOWN = 2
#define DIR_OSC = 3
#define F_OFF = 0
#define F_ON = 1
#declare fsrow = 0, fsel = -1
#struct FILTTYPE name$, freq, lp, bp, hp, res, dir, min, sweep
FILTTYPE filt(10) = [ {x5F}
[ "lowp_up", 1000, F_ON, F_OFF, F_OFF, 15, DIR_UP, 100, 10 ], {x5F}
[ "lowp_down", 1000, F_ON, F_OFF, F_OFF, 15, DIR_DOWN, 100, 10 ], {x5F}
[ "lowp_osc", 1000, F_ON, F_OFF, F_OFF, 15, DIR_OSC, 100, 10 ], {x5F}
{x5F}
[ "bandp_up", 1000, F_OFF, F_ON, F_OFF, 15, DIR_UP, 100, 10 ], {x5F}
[ "bandp_down", 1000, F_OFF, F_ON, F_OFF, 15, DIR_DOWN, 100, 10 ], {x5F}
[ "bandp_osc", 1000, F_OFF, F_ON, F_OFF, 15, DIR_OSC, 100, 10 ], {x5F}
{x5F}
[ "highp_up", 1000, F_OFF, F_OFF, F_ON, 15, DIR_UP, 100, 10 ], {x5F}
[ "highp_down", 1000, F_OFF, F_OFF, F_ON, 15, DIR_DOWN, 100, 10 ], {x5F}
[ "highp_osc", 1000, F_OFF, F_OFF, F_ON, 15, DIR_OSC, 100, 10 ], {x5F}
{x5F}
[ "spare_1", 0, F_OFF, F_OFF, F_OFF, 0, DIR_NONE, 0, 0 ], {x5F}
[ "spare_2", 0, F_OFF, F_OFF, F_OFF, 0, DIR_NONE, 0, 0 ], {x5F}
{x5F}
]
#declare seqcnt
#declare seq_chunk(200), seq_extra(200)
#declare plyptr, plyflag
#define CMD_TEMPO = -1
#define CMD_FILTER = -2
#define CMD_LOOP = -3
#define CMD_ECHO_M1 = -4 ' echo melody: voice 1 on voice 4
#define CMD_ECHO_M2 = -5 ' echo melody: voice 1 on voice 2 + 4 + 5
#define CMD_ECHO_B = -6 ' echo bass: voice 3 on voice 6
#define CMD_ECHO_OFF = -7
#define CMD_ECHO_SZ = -8
#define CMD_VOL = -9
#define CMD_DELAY = -10
#define CMD_MAX = 11
#declare pjump, pjdir, bjump, bjdir
#define BS_OFF = 0
#define BS_SPAWN = 1
#define BS_ALIVE = 2
#define BS_DEAD = 3
#declare next_baddie_time = 50, baddie_dead_time = 50, baddie_state
#declare baddie_visible
'----
.main
'----
print chr$(27)+"5"
print chr$(147);
border 0
background 0
gosub load_data
palidx = 0
gosub set_palette
song$ = "chabi.p"
gosub load_song
.loop0
gosub init_vars
gosub show_title
gosub gameplay
' gosub gameover
goto loop0
'---------------
.transparent_dma
'---------------
wpoke $40009, src_addr
wpoke $4000c, dest_addr
wpoke $40007, length
poke $40004, transp
poke $d702, 4 ' dma list in bank 4
poke $d701, $00 ' dma list msb
poke $d705, $00 ' dma list lsb
return
'----------
.show_title
'----------
print chr$(147);
print chr$(14); ' lower-case
print "Way of the Imploding Foot"
print "========================="
print "A game made by the MEGA65 community!"
get key a$
a$=""
' all reverse-char spaces for most of screen
edma 3, $f00, 160, $40800
print chr$(142); ' uppercase
return
'---------
.load_data
'---------
ptr = $42000
form = FORM_LAYER
dat_idx = DAT_LAYER
bload "level1-bg.dat",p(ptr)
gosub init_petscii_frames
gosub prepare_double_copy_layer
gosub _increment_ptr_to_next_free
form = FORM_HUMAN
dat_idx = DAT_PLAYER1
bload "player.dat",p(ptr)
gosub init_petscii_frames
gosub _increment_ptr_to_next_free
form = FORM_HUMAN
dat_idx = DAT_PLAYER2
bload "player2.dat",p(ptr)
gosub init_petscii_frames
gosub _increment_ptr_to_next_free
form = FORM_HUMAN
dat_idx = DAT_PLAYER3
bload "player3.dat",p(ptr)
gosub init_petscii_frames
gosub _increment_ptr_to_next_free
form = FORM_HUMAN
dat_idx = DAT_PLAYER4
bload "player4.dat",p(ptr)
gosub init_petscii_frames
gosub _increment_ptr_to_next_free
form = FORM_DUCK
dat_idx = DAT_DUCK
bload "duck.dat",p(ptr)
gosub init_petscii_frames
gosub _increment_ptr_to_next_free
bload "pal.bin",p($40100),r
return
'---------------------------
._increment_ptr_to_next_free
'---------------------------
ptr = tmp
sz = wpeek(ptr + OFFSET_DATA_SIZE)
'print
'print "inc sz = ";sz
'print "ptr = ";hex$(ptr + OFFSET_DATA_SIZE)
ptr = ptr + sz
'get key a$
return
'-----------
.set_palette
'----------- (palidx)
ptr = $40100 + palidx * 16 * 3
for k = 0 to 15
' red
poke $d100 + k + 16, peek(ptr)
ptr = ptr + 1
' green
poke $d200 + k + 16, peek(ptr)
ptr = ptr + 1
' blue
poke $d300 + k + 16, peek(ptr)
ptr = ptr + 1
next k
return
'---------
.init_vars
'---------
' clear dma list area
for k = 0 to 20
poke $40000+k, 0
next k
poke $40000, $81 ' opt = dest addr MB selector
poke $40001, $00 ' default to 1st megabyte
poke $40002, $07 ' opt = enable transparency
poke $40003, $86 ' opt = set transparency
poke $40004, $20 ' transparency value
poke $40005, $00 ' end of options
poke $40006, $00 ' CMD lsb = COPY
wpoke $40007, $0000 ' length
wpoke $40009, $1000 ' source addr
poke $4000b, $05 ' source bank
wpoke $4000c, $1000 ' dest addr
poke $4000e, $05 ' dest bank
poke $4000f, $00 ' CMD msb (ignore)
wpoke $40010, $0000 ' modulo (ignore)
' clear the offscreen buffer
edma 3, $f00, 160, $50000
edma 3, $a0, $20, $50f00
edma 3, $fa0, $4f, $51000
kneel_flag = 0
player_form = FORM_HUMAN
player_dat_fixed = DAT_PLAYER4
player_dat_idx = player_dat_fixed
baddie_kneel_flag = 0
baddie_form = FORM_HUMAN
baddie_dat_fixed = DAT_PLAYER2
baddie_dat_idx = baddie_dat_fixed
player_frame = 0
player_anim = form_anim(player_form, FANIM_WALK)
px = 0 : py = 23
bx = 60 : by = 23
player_energy = 18
lag_penergy = 0
baddie_energy = 0
lag_benergy = 0
pjump = 0
pjdir = 0
bjdir = 0
player_mirror = 0
baddie_mirror = 1
bjump = 0
next_baddie_time = 50
baddie_dead_time = 50
baddie_state = BS_OFF
return
'-------------------
.init_petscii_frames
'-------------------
tmp = ptr
max_frames(form) = peek(ptr + OFFSET_NUM_FRAMES)
'print
'print "ptr=";hex$(ptr + OFFSET_NUM_FRAMES)
ptr = ptr + OFFSET_FRAME0
'print
'print "form=";form;" - mx_frm=";max_frames(form);": ";
frm_idx = 0
do while frm_idx < max_frames(form)
'print frm_idx;
frame_addr(dat_idx, frm_idx) = ptr
frmw = peek(ptr + FRM_OFFSET_W)
frmh = peek(ptr + FRM_OFFSET_H)
'print "ptr=";hex$(ptr);", idx=";frm_idx;", w=";frmw;", h=";frmh
ptr = ptr + FRM_OFFSET_DATA + frmw * frmh
':print chr$(147);"frm_idx=";frm_idx
frm_idx = frm_idx + 1
loop
ptr = tmp
return
'-------------------------
.prepare_double_copy_layer
'-------------------------
dblup_addr = $52000
for frameidx = 0 to max_frames(FORM_LAYER)-1
ptr = frame_addr(DAT_LAYER, frameidx)
frmx = peek(ptr + FRM_OFFSET_X)
frmy = peek(ptr + FRM_OFFSET_Y)
frmw = peek(ptr + FRM_OFFSET_W)
frmh = peek(ptr + FRM_OFFSET_H)
frmx1=frmx+frmw-1
frmy1=frmy+frmh-1
frame_dblup_addr(frameidx) = dblup_addr
' COPY COLOR for each row twice into some location in dblup_addr
for y = frmy to frmy1
for k = 0 to 1
' copy it to some place in $5.2000
edma 0, frmw, (ptr + FRM_OFFSET_DATA), dblup_addr
dblup_addr = dblup_addr + frmw
next k
ptr = ptr + frmw
next y
next frameidx
return
'---------------
.draw_background
'---------------
' frameidx = IMG_SUN
' gosub draw_petscii_layer
' return
poke $4000b, $05 ' assure source bank 5 (for doubled-up layers)
for lidx = 0 to max_frames(FORM_LAYER)-1
' if layer_visible[lidx] = 1 then begin
frameidx = draw_order(lidx)
gosub draw_petscii_layer
'bend
next lidx
return
'----------
.move_right
'----------
baddie_visible = baddie_state = BS_ALIVE or baddie_state = BS_DEAD
if px < 25 or (baddie_state = BS_ALIVE and px < 59) then begin
px = px + 1
bend:else begin
if bx > 0 and baddie_visible then begin
gosub incr_offs
bx = bx - 1
bend
if baddie_state = BS_OFF then begin
gosub incr_offs
bend
bend
if baddie_state <> BS_ALIVE and px > 26 then begin
if mod(player_frame,2) = 0 then px = px - 1
bend
kneel_flag = 0
return
'---------
.move_left
'---------
if px > 0 then begin
px = px - 1
bend:else begin
if bx < 60 then begin
gosub decr_offs
bx = bx + 1
bend
bend
kneel_flag = 0
return
'--------------
.get_user_input
'--------------
gosub keyboard_input
gosub joystick_input
if a$="x" then begin
kneel_flag = 0
player_anim = form_anim(player_form, FANIM_DIE)
player_frame = 0
bend
return
'--------------
.keyboard_input
'--------------
get a$
if a$="," and palidx>0 then palidx=palidx-1:gosub set_palette
if a$="." and palidx<11 then palidx=palidx+1:gosub set_palette
if a$="1" then begin
DEBUG=mod(DEBUG+1,2)
edma 3, $f00, 160, $50000
edma 3, $f00, 160, $40800
bend
' d = toggle between human and duck
if a$="d" then begin
if player_form = FORM_HUMAN then begin
player_form = FORM_DUCK
player_dat_idx = DAT_DUCK
bend:else begin
player_form = FORM_HUMAN
player_dat_idx = player_dat_fixed
bend
player_anim = form_anim(player_form, FANIM_WALK)
player_frame = 0
kneel_flag = 0
bend
if a$="<" and player_dat_fixed > DAT_PLAYER1 then begin
player_dat_fixed = player_dat_fixed - 1
player_dat_idx = player_dat_fixed
bend
if a$=">" and player_dat_fixed < DAT_PLAYER4 then begin
player_dat_fixed = player_dat_fixed + 1
player_dat_idx = player_dat_fixed
bend
return
'--------------
.joystick_input
'--------------
jdir_raw = joy(2)
jfire = jdir_raw and 128
jdir = jdir_raw and $7f
if jdir > 8 then jdir = 0 ' hide any nonsensicals
' handle no joystick input cases
' ------------------------------
if jdir_raw=0 and player_anim = ANIM_PKNEEL_DN then begin
if player_frame >= max_frame(FORM_HUMAN, ANIM_PKNEEL_DN)-1 then begin
kneel_flag = 0
player_anim = ANIM_PKNEEL_UP
player_frame = 0
bend
bend
if jdir_raw = 0 then return
' handle cases with some joystick input
' -------------------------------------
' no fire button moves
' --------------------
if jfire=0 then begin
if jdir=J_RIGHT and pjump=0 then gosub move_right
if jdir=J_LEFT and pjump=0 then gosub move_left
if jdir=J_DOWN and player_anim = ANIM_PWALK then begin
player_anim = ANIM_PKNEEL_DN
player_frame = 0
bend
if (jdir=J_UP or jdir=J_UP_LEFT or jdir=J_UP_RIGHT) and pjump=0 then begin
player_anim = ANIM_PJUMP
pjump = 1
if jdir=J_UP then pjdir = 0
if jdir=J_UP_LEFT then pjdir = -1
if jdir=J_UP_RIGHT then pjdir = 1
player_frame = 0
bend
bend
' fire button moves
' -----------------
if jfire = 128 and pjump=0 then begin
if jd(player_mirror, jdir)=JD_UP_FORWARD and player_anim = form_anim(player_form, FANIM_WALK) then begin
player_anim = form_anim(player_form, FANIM_PUNCH)
sound 1 + player_mirror * 3, 4000, 5, 1, 100, 1000, 3
if kneel_flag = 1 then player_anim = ANIM_PKPUNCH
player_frame = 0
bend
if jd(player_mirror, jdir)=JD_DOWN_FORWARD and player_anim = ANIM_PWALK then begin
player_anim = ANIM_PKICK
sound 1 + player_mirror * 3, 2000, 5, 1, 100, 1000, 3
if kneel_flag = 1 then player_anim = ANIM_PKKICK
player_frame = 0
bend
bend
return
'-----------
.draw_player
'-----------
character = PLAYER
frameidx = anim_order(player_form, player_anim, player_frame)
fx=px : fy=py
mirror = player_mirror
form = player_form
dat_idx = player_dat_idx
gosub draw_petscii_frame
return
'-----------
.draw_baddie
'-----------
character = BADDIE
frameidx = anim_order(baddie_form, baddie_anim, baddie_frame)
fx=bx : fy=by
mirror = baddie_mirror
form = baddie_form
dat_idx = baddie_dat_idx
gosub draw_petscii_frame
return
'--------------------------
.consider_next_player_frame
'--------------------------
if player_anim = form_anim(player_form, FANIM_WALK) and (jdir=J_LEFT or jdir=J_RIGHT) then begin
player_frame = player_frame + 1
bend
if player_anim <> form_anim(player_form, FANIM_WALK) then begin
player_frame = player_frame + 1
bend
if player_anim = ANIM_PKNEEL_DN and jdir=J_DOWN then begin
if player_frame >= max_frame(FORM_HUMAN, FANIM_KNEEL_DN) then begin
player_frame = max_frame(FORM_HUMAN, FANIM_KNEEL_DN) - 1
kneel_flag = 1
bend
return
bend
if player_anim = ANIM_PJUMP then begin
if player_frame >= max_frame(FORM_HUMAN, FANIM_JUMP) then begin
player_frame = max_frame(FORM_HUMAN, FANIM_JUMP) - 1
bend
bend
if pjump > 0 then begin
if pjdir>0 then gosub move_right:gosub move_right
if pjdir<0 then gosub move_left:gosub move_left
if pjump = 1 then begin
py = py - 2
if py <= 0 then pjump = 2
bend
if pjump = 2 then begin
py = py + 2
if py >= 23 then begin
py = 23
pjump = 0
player_anim = form_anim(player_form, FANIM_WALK)
player_frame = 0
bend
bend
bend
if player_frame >= max_frame(player_form, player_anim) then begin
if player_anim = ANIM_PDIE then begin
if player_energy > 0 then begin
player_anim = ANIM_PKNEEL_UP
player_frame = 0
bend:else begin
player_frame = max_frame(player_form, player_anim) - 1
bend
return
bend
if kneel_flag = 1 and player_anim <> ANIM_PKNEEL_DN then begin
player_anim = ANIM_PKNEEL_DN
player_frame = max_frame(FORM_HUMAN, ANIM_PKNEEL_DN) - 1
bend:else begin
player_anim = form_anim(player_form, FANIM_WALK)
player_frame = 0
bend
bend
if baddie_state = BS_ALIVE or baddie_state = BS_DEAD then begin
if px > (bx + 5) then player_mirror = 1
if bx > (px + 5) then player_mirror = 0
bend:else begin
player_mirror = 0
bend
return
'--------------------------
.consider_next_baddie_frame
'--------------------------
if baddie_state = BS_ALIVE then begin
if bx > (px + 5) then baddie_mirror = 1