blob: 8964ef38c06dcd497836b8e95ae74a0d7e06d1b7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
|
; GLUMBO - the 2d game thing
.macro store(reg, val, addr) \
put @reg @val\
str @reg @addr
.macro storer(reg, val, addr) \
put @reg @val\
srr @reg @addr
.macro inc(addr) \
ld a @addr\
put b 1\
add\
str c @addr
jmp start
get_coord:
ld a tmp2 ; Y(0-4) -> a
mov b width ; width (5) -> b
mul ; Y(0-4) * width (5)
mov a grid_start ; grid start address -> a
swp c b ; (offset from y) -> b
add ; offsetY + gridStart
swp c a ; -> a
ld b tmp1 ; X(0-4) -> b
add ; loc + X
str c tmp3 ; location -> tmp3
ret
start:
.label width 20
.label height 10
.label grid_start 512
; temp vars
.label tmp1 0
.label tmp2 1
.label tmp3 2
.label tmp4 3
.label tmp5 4
.label px 16
.label py 17
.label inp 128
.label rowBuff 256
store a 2 px
store a 2 py
store a 0 tmp1 ; x
store a 0 tmp2 ; y
mov a 2
mov b 1
sys
grid_loop:
;get coord
jmr get_coord
;store tile
; storer a 46 c
;main loop stuff
; place tile
; get X % (width - 1) to check if on x edge
store a 46 tmp4
mov a width ; width -> A
mov b 1 ; 1 -> b
sub ; c = width - 1
swp c b ; -> b
ld a tmp1 ; x -> a
mod ; c = x % (w - 1)
mov a 0 ;
crr c c a ; c = c == 0?
str c tmp5 ; c -> tmp5
; Y % (height - 1 )
mov a height ; height -> A
mov b 1 ; 1 -> b
sub ; c = height - 1
swp c b ; -> b
ld a tmp2 ; x -> a
mod ; c = x % (w - 1)
mov a 0
crr a c a ; a = c == 0?
ld b tmp5
or
cmp c 1
jz do_the_store ; edge ? continue : jmp do_the_store
store a 35 tmp4 ; store 35 at tmp4
do_the_store:
ld b tmp3 ; location -> b
ld a tmp4 ; tmp4 (character) -> a
srr a b ; store the tile
;;;;;;;;;;;;;;;;;;;;;;;;;
mov a width ; width -> a
mov b 1 ; 1 -> b
sub ; c = width - 1
ld a tmp1 ; X(0-4) -> a
cmr a c ; X(0-4) == width
jnz ifz ; go to ifz if X(0-4) == width (5)
ifnz: ; X is not 0
ld a tmp1 ; X -> a
mov b 1 ; 1 -> b
add ; X + 1
str c tmp1 ; X = X + 1
jmp continue_loop ; continue
ifz: ; X is 0
store a 0 tmp1 ; set X to 1
ld a tmp2 ; Y(0-4) -> a
mov b 1 ; 1 -> b
add ; c = Y + 1
str c tmp2 ; Y = c
jmp continue_loop ; continue
continue_loop:
mov a height
mov b 0
sub
ld a tmp2 ; get Y (0-4)
cmr a c ; Y == height+1 ?
jz grid_loop ; if not, continue
; escaped
main_loop:
jmr print
; get input
mov a 0
mov b 0
mov c inp
sys
jmr parse_input
jmp main_loop
parse_input:
.macro case(addr, val, ln) \
ld a @addr\
cmp a @val\
jnz @ln
.macro break() jmp default
case inp 119 case_w
case inp 115 case_s
case inp 97 case_a
case inp 100 case_d
case inp 99 case_c
case inp 3 case_c
break
case_w:
ld a py
cmp a 0
jnz default
mov b 1
sub
str c py
break
case_s:
; width-1
mov a height
mov b 1
sub
ld a py
cmr a c
jnz default
mov b 1
add
str c py
break
case_a:
ld a px
cmp a 0
jnz default
mov b 1
sub
str c px
break
case_d:
; width-1
mov a width
mov b 1
sub
ld a px
cmr a c
jnz default
mov b 1
add
str c px
break
case_c:
end
break
default:
ret
print:
.label tmp6 5
mov a 1
mov b 1
mov c [clear]
sys
store a 0 tmp1 ; x
store a 0 tmp2 ; y
store a 0 tmp6 ; rowBuff index
print_loop:
;get coord
jmr get_coord
; get tile
ld a tmp1 ; x
ld b px ; player x
crr c a b
str c tmp4
ld a tmp2 ; y
ld b py ; player y
crr b a b
ld a tmp4
and
cmp c 1
ld a tmp6 ; buff pointer
mov b rowBuff ; + buff loc
add ;
ld a tmp3 ; tile pointer?
ldr b a ; load tile into b
jz set_normal
mov b 64
set_normal:
srr b c ; store b to c
; store a 0 129
;loop
mov a width
mov b 1
sub
ld a tmp1 ; X(0-4) -> a
cmr a c ; X(0-4) == width
jnz p_ifz ; go to ifz if X(0-4) == width
p_ifnz: ; X is not 0
ld a tmp1 ; X -> a
mov b 1 ; 1 -> b
add ; X + 1
str c tmp1 ; X = X + 1
inc tmp6
jmp continue_ploop ; continue
p_ifz: ; X is 0
store a 0 tmp6
store a 10 128
store a 0 129
mov a 1
mov b 1
mov c 128
sys
store a 0 tmp1 ; set X to 1
ld a tmp2 ; Y(0-4) -> a
mov b 1 ; 1 -> b
add ; c = Y + 1
str c tmp2 ; Y = c
; print
; print
mov a 1
mov b 1
mov c rowBuff
sys
; ld c 128
; dbg a
jmp continue_ploop ; continue
continue_ploop:
mov a height
mov b 0
sub
ld a tmp2 ; get Y (0-4)
cmr a c ; Y == width+1 ?
jz print_loop ; if not, continue
ret
clear:
.hex 1b
.str "[2J"
.hex 1b
.str "[0;0H"
.hex 0
|
