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uxn
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LIT is now 0x01

This commit is contained in:
neauoire 2021-04-19 09:51:52 -07:00
parent 6a6b6e9d93
commit d61e724d48
2 changed files with 6 additions and 7 deletions
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8
src/assembler.c
View File

@ -49,7 +49,7 @@ Program p;
/* clang-format off */
char ops[][4] = {
"BRK", "NOP", "LIT", "POP", "DUP", "SWP", "OVR", "ROT",
"BRK", "LIT", "NOP", "POP", "DUP", "SWP", "OVR", "ROT",
"EQU", "NEQ", "GTH", "LTH", "GTS", "LTS", "---", "---",
"PEK", "POK", "LDR", "STR", "JMP", "JNZ", "JSR", "STH",
"ADD", "SUB", "MUL", "DIV", "AND", "ORA", "EOR", "SFT"
@ -71,14 +71,14 @@ char *scpy(char *src, char *dst, int len) { int i = 0; while((dst[i] = src[i]) &
void
pushbyte(Uint8 b, int lit)
{
if(lit) pushbyte(0x02, 0);
if(lit) pushbyte(0x01, 0);
p.data[p.ptr++] = b;
}
void
pushshort(Uint16 s, int lit)
{
if(lit) pushbyte(0x22, 0);
if(lit) pushbyte(0x21, 0);
pushbyte((s >> 8) & 0xff, 0);
pushbyte(s & 0xff, 0);
}
@ -88,7 +88,7 @@ pushtext(char *s, int lit)
{
int i = 0;
char c;
if(lit) pushbyte(0x22, 0);
if(lit) pushbyte(0x21, 0);
while((c = s[i++])) pushbyte(c, 0);
}

5
src/uxn.c
View File

@ -63,7 +63,6 @@ void op_eor(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b
void op_sft(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b >> (a & 0x07) << ((a & 0x70) >> 4)); }
/* Stack */
void op_lit16(Uxn *u) { push16(u->src, mempeek16(u, u->ram.ptr++)); u->ram.ptr++; }
void op_nop16(Uxn *u) { printf("%04x\n", pop16(u->src)); }
void op_pop16(Uxn *u) { pop16(u->src); }
void op_dup16(Uxn *u) { push16(u->src, peek16(u->src, 0)); }
void op_swp16(Uxn *u) { Uint16 b = pop16(u->src), a = pop16(u->src); push16(u->src, b); push16(u->src, a); }
@ -96,12 +95,12 @@ void op_eor16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->s
void op_sft16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, b >> (a & 0x000f) << ((a & 0x00f0) >> 4)); }
void (*ops[])(Uxn *u) = {
op_brk, op_nop, op_lit, op_pop, op_dup, op_swp, op_ovr, op_rot,
op_brk, op_lit, op_nop, op_pop, op_dup, op_swp, op_ovr, op_rot,
op_equ, op_neq, op_gth, op_lth, op_gts, op_lts, op_nop, op_nop,
op_pek, op_pok, op_ldr, op_str, op_jmp, op_jnz, op_jsr, op_sth,
op_add, op_sub, op_mul, op_div, op_and, op_ora, op_eor, op_sft,
/* 16-bit */
op_brk, op_nop16, op_lit16, op_pop16, op_dup16, op_swp16, op_ovr16, op_rot16,
op_brk, op_lit16, op_nop, op_pop16, op_dup16, op_swp16, op_ovr16, op_rot16,
op_equ16, op_neq16, op_gth16, op_lth16, op_gts16, op_lts16, op_nop, op_nop,
op_pek16, op_pok16, op_ldr16, op_str16, op_jmp16, op_jnz16, op_jsr16, op_sth16,
op_add16, op_sub16, op_mul16, op_div16, op_and16, op_ora16, op_eor16, op_sft16