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uxn
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Progress toward migrating to proper peek/load

This commit is contained in:
neauoire 2021-03-24 10:50:55 -07:00
parent 1f9155400d
commit 16f9b92d4a
3 changed files with 6 additions and 6 deletions
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2
build.sh
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@ -28,7 +28,7 @@ else
fi
echo "Assembling.."
./bin/assembler projects/software/noodle.usm bin/boot.rom
./bin/assembler projects/software/left.usm bin/boot.rom
echo "Running.."
if [ "${2}" = '--cli' ];

4
src/assembler.c
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@ -296,14 +296,14 @@ parsetoken(char *w)
if(!findlabellen(w + 1) || findlabellen(w + 1) > 2)
return error("Invalid store helper", w);
pushshort(findlabeladdr(w + 1), 1);
pushbyte(findopcode(findlabellen(w + 1) == 2 ? "STR2" : "STR"), 0);
pushbyte(findopcode(findlabellen(w + 1) == 2 ? "STR2" : "POK2"), 0);
l->refs++;
return 1;
} else if(w[0] == '~' && (l = findlabel(w + 1))) {
if(!findlabellen(w + 1) || findlabellen(w + 1) > 2)
return error("Invalid load helper", w);
pushshort(findlabeladdr(w + 1), 1);
pushbyte(findopcode(findlabellen(w + 1) == 2 ? "LDR2" : "LDR"), 0);
pushbyte(findopcode(findlabellen(w + 1) == 2 ? "LDR2" : "PEK2"), 0);
l->refs++;
return 1;
} else if((op = findopcode(w)) || scmp(w, "BRK", 4)) {

6
src/uxn.c
View File

@ -50,8 +50,8 @@ void op_jsr(Uxn *u) { Uint8 a = pop8(u->src); push16(u->dst, u->ram.ptr); u->ram
/* Memory */
void op_pek(Uxn *u) { Uint16 a = pop8(u->src); push8(u->src, mempeek8(u, a)); }
void op_pok(Uxn *u) { Uint16 a = pop8(u->src); Uint8 b = pop8(u->src); mempoke8(u, a, b); }
void op_ldr(Uxn *u) { Uint16 a = pop16(u->src); push8(u->src, mempeek8(u, a)); }
void op_str(Uxn *u) { Uint16 a = pop16(u->src); Uint8 b = pop8(u->src); mempoke8(u, a, b); }
void op_ldr(Uxn *u) { Uint8 a = pop8(u->src); push16(u->src, mempeek16(u, a)); }
void op_str(Uxn *u) { Uint8 a = pop8(u->src); Uint16 b = pop16(u->src); mempoke16(u, a, b); }
void op_cln(Uxn *u) { push8(u->src, peek8(u->dst, 0)); }
void op_sth(Uxn *u) { Uint8 a = pop8(u->src); push8(u->dst, a); }
/* Arithmetic */
@ -112,7 +112,7 @@ void (*ops[])(Uxn *u) = {
Uint8 opr[][4] = { /* wstack-/+ rstack-/+ */
{0,0,0,0}, {0,0,0,0}, {0,0,0,0}, {1,0,0,0}, {1,2,0,0}, {2,2,0,0}, {2,3,0,0}, {3,3,0,0},
{2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {1,0,0,0}, {1,0,0,2},
{1,1,0,0}, {2,0,0,0}, {2,1,0,0}, {3,0,0,0}, {0,0,0,0}, {0,0,0,0}, {0,1,1,1}, {1,0,0,1},
{1,1,0,0}, {2,0,0,0}, {1,2,0,0}, {3,0,0,0}, {0,0,0,0}, {0,0,0,0}, {0,1,1,1}, {1,0,0,1},
{2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0},
/* 16-bit */
{0,0,0,0}, {2,0,0,0}, {0,0,0,0}, {2,0,0,0}, {2,4,0,0}, {4,4,0,0}, {4,6,0,0}, {6,6,0,0},