... | ... |
@@ -14,5 +14,5 @@ cc -std=c89 -DDEBUG -Wall -Wno-unknown-pragmas -Wpedantic -Wshadow -Wextra -Werr |
14 | 14 |
cc -std=c89 -DDEBUG -Wall -Wno-unknown-pragmas -Wpedantic -Wshadow -Wextra -Werror=implicit-int -Werror=incompatible-pointer-types -Werror=int-conversion -Wvla -g -Og -fsanitize=address -fsanitize=undefined uxn.c -o uxn |
15 | 15 |
|
16 | 16 |
# run |
17 |
-./uxnasm examples/core.usm boot.rom |
|
17 |
+./uxnasm examples/loop.usm boot.rom |
|
18 | 18 |
./uxn boot.rom |
... | ... |
@@ -56,26 +56,26 @@ getflag(char flag) |
56 | 56 |
} |
57 | 57 |
|
58 | 58 |
void |
59 |
-echo(Uint8 *s, Uint8 len, char *name) |
|
59 |
+echo(Stack *s, Uint8 len, char *name) |
|
60 | 60 |
{ |
61 | 61 |
int i; |
62 | 62 |
printf("%s\n", name); |
63 | 63 |
for(i = 0; i < len; ++i) { |
64 | 64 |
if(i % 16 == 0) |
65 | 65 |
printf("\n"); |
66 |
- printf("%02x ", s[i]); |
|
66 |
+ printf("%02x%c", s->dat[i], s->ptr == i ? '<' : ' '); |
|
67 | 67 |
} |
68 | 68 |
printf("\n\n"); |
69 | 69 |
} |
70 | 70 |
|
71 | 71 |
void |
72 |
-spush(Uint8 v) |
|
72 |
+wspush(Uint8 v) |
|
73 | 73 |
{ |
74 | 74 |
cpu.wst.dat[cpu.wst.ptr++] = v; |
75 | 75 |
} |
76 | 76 |
|
77 | 77 |
Uint8 |
78 |
-spop(void) |
|
78 |
+wspop(void) |
|
79 | 79 |
{ |
80 | 80 |
return cpu.wst.dat[--cpu.wst.ptr]; |
81 | 81 |
} |
... | ... |
@@ -87,7 +87,7 @@ rspush(Uint8 v) |
87 | 87 |
} |
88 | 88 |
|
89 | 89 |
Uint8 |
90 |
-rspop(void) |
|
90 |
+rwspop(void) |
|
91 | 91 |
{ |
92 | 92 |
return cpu.rst.dat[--cpu.rst.ptr]; |
93 | 93 |
} |
... | ... |
@@ -97,29 +97,29 @@ rspop(void) |
97 | 97 |
/* clang-format off */ |
98 | 98 |
|
99 | 99 |
void op_brk() { setflag(FLAG_HALT, 1); } |
100 |
-void op_rts() { cpu.rom.ptr = rspop(); } |
|
100 |
+void op_rts() { cpu.rom.ptr = wspop(); } |
|
101 | 101 |
void op_lit() { cpu.literal += cpu.rom.dat[cpu.rom.ptr++]; } |
102 |
-void op_drp() { spop(); } |
|
103 |
-void op_dup() { spush(cpu.wst.dat[cpu.wst.ptr - 1]); } |
|
104 |
-void op_swp() { Uint8 b = spop(), a = spop(); spush(b); spush(a); } |
|
105 |
-void op_ovr() { spush(cpu.wst.dat[cpu.wst.ptr - 2]); } |
|
106 |
-void op_rot() { Uint8 c = spop(),b = spop(),a = spop(); spush(b); spush(c); spush(a); } |
|
107 |
-void op_jmp() { cpu.rom.ptr = spop(); } |
|
108 |
-void op_jsr() { rspush(cpu.rom.ptr); cpu.rom.ptr = spop(); } |
|
109 |
-void op_jmq() { Uint8 a = spop(); if(getflag(FLAG_ZERO)){ cpu.rom.ptr = a; } setflag(FLAG_ZERO,0); } |
|
110 |
-void op_jsq() { Uint8 a = spop(); if(getflag(FLAG_ZERO)){ rspush(cpu.rom.ptr); cpu.rom.ptr = a; } setflag(FLAG_ZERO,0); } |
|
111 |
-void op_equ() { setflag(FLAG_ZERO, spop() == spop()); } |
|
112 |
-void op_neq() { setflag(FLAG_ZERO, spop() != spop()); } |
|
113 |
-void op_lth() { setflag(FLAG_ZERO, spop() < spop()); } |
|
114 |
-void op_gth() { setflag(FLAG_ZERO, spop() > spop()); } |
|
115 |
-void op_and() { spush(spop() & spop()); } |
|
116 |
-void op_ora() { spush(spop() | spop()); } |
|
117 |
-void op_rol() { spush(spop() << 1); } |
|
118 |
-void op_ror() { spush(spop() >> 1); } |
|
119 |
-void op_add() { spush(spop() + spop()); } |
|
120 |
-void op_sub() { spush(spop() - spop()); } |
|
121 |
-void op_mul() { spush(spop() * spop()); } |
|
122 |
-void op_div() { spush(spop() / spop()); } |
|
102 |
+void op_drp() { wspop(); } |
|
103 |
+void op_dup() { wspush(cpu.wst.dat[cpu.wst.ptr - 1]); } |
|
104 |
+void op_swp() { Uint8 b = wspop(), a = wspop(); wspush(b); wspush(a); } |
|
105 |
+void op_ovr() { wspush(cpu.wst.dat[cpu.wst.ptr - 2]); } |
|
106 |
+void op_rot() { Uint8 c = wspop(),b = wspop(),a = wspop(); wspush(b); wspush(c); wspush(a); } |
|
107 |
+void op_jmp() { cpu.rom.ptr = wspop(); } |
|
108 |
+void op_jsr() { rspush(cpu.rom.ptr); cpu.rom.ptr = wspop(); } |
|
109 |
+void op_jmq() { Uint8 a = wspop(); if(getflag(FLAG_ZERO)){ cpu.rom.ptr = a; } setflag(FLAG_ZERO,0); } |
|
110 |
+void op_jsq() { Uint8 a = wspop(); if(getflag(FLAG_ZERO)){ rspush(cpu.rom.ptr); cpu.rom.ptr = a; } setflag(FLAG_ZERO,0); } |
|
111 |
+void op_equ() { setflag(FLAG_ZERO, wspop() == cpu.wst.dat[cpu.wst.ptr]); } |
|
112 |
+void op_neq() { setflag(FLAG_ZERO, wspop() != cpu.wst.dat[cpu.wst.ptr]); } |
|
113 |
+void op_lth() { setflag(FLAG_ZERO, wspop() < cpu.wst.dat[cpu.wst.ptr]); } |
|
114 |
+void op_gth() { setflag(FLAG_ZERO, wspop() > cpu.wst.dat[cpu.wst.ptr]); } |
|
115 |
+void op_and() { wspush(wspop() & wspop()); } |
|
116 |
+void op_ora() { wspush(wspop() | wspop()); } |
|
117 |
+void op_rol() { wspush(wspop() << 1); } |
|
118 |
+void op_ror() { wspush(wspop() >> 1); } |
|
119 |
+void op_add() { wspush(wspop() + wspop()); } |
|
120 |
+void op_sub() { wspush(wspop() - wspop()); } |
|
121 |
+void op_mul() { wspush(wspop() * wspop()); } |
|
122 |
+void op_div() { wspush(wspop() / wspop()); } |
|
123 | 123 |
|
124 | 124 |
void (*ops[])(void) = { |
125 | 125 |
op_brk, op_rts, op_lit, op_drp, op_dup, op_swp, op_ovr, op_rot, |
... | ... |
@@ -167,7 +167,7 @@ eval() |
167 | 167 |
{ |
168 | 168 |
Uint8 instr = cpu.rom.dat[cpu.rom.ptr++]; |
169 | 169 |
if(cpu.literal > 0) { |
170 |
- spush(instr); |
|
170 |
+ wspush(instr); |
|
171 | 171 |
cpu.literal--; |
172 | 172 |
return 1; |
173 | 173 |
} |
... | ... |
@@ -179,6 +179,10 @@ eval() |
179 | 179 |
} |
180 | 180 |
if(instr > 0x10) |
181 | 181 |
setflag(FLAG_ZERO, 0); |
182 |
+ if(cpu.counter == 64) { |
|
183 |
+ printf("REACHED COUNTER\n"); |
|
184 |
+ return 0; |
|
185 |
+ } |
|
182 | 186 |
cpu.counter++; |
183 | 187 |
return 1; |
184 | 188 |
} |
... | ... |
@@ -210,6 +214,6 @@ main(int argc, char *argv[]) |
210 | 214 |
load(f); |
211 | 215 |
run(); |
212 | 216 |
/* print result */ |
213 |
- echo(cpu.wst.dat, 0x40, "stack"); |
|
217 |
+ echo(&cpu.wst, 0x40, "stack"); |
|
214 | 218 |
return 0; |
215 | 219 |
} |