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Moved wsr/rsw ops

This commit is contained in:
neauoire 2021-02-26 20:00:01 -08:00
parent 5ecb69c467
commit 553516dfe6
3 changed files with 7 additions and 9 deletions
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2
assembler.c
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@ -46,7 +46,7 @@ Program p;
char ops[][4] = {
"BRK", "NOP", "LIT", "---", "---", "---", "LDR", "STR",
"JMP", "JSR", "---", "RTS", "AND", "ORA", "ROL", "ROR",
"POP", "DUP", "SWP", "OVR", "ROT", "WSR", "RSW", "---",
"POP", "DUP", "SWP", "OVR", "ROT", "---", "WSR", "RSW",
"ADD", "SUB", "MUL", "DIV", "EQU", "NEQ", "GTH", "LTH"
};

12
uxn.c
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@ -50,8 +50,8 @@ void op_dup(Uxn *u) { push8(&u->wst, peek8(&u->wst, 0)); }
void op_swp(Uxn *u) { Uint8 b = pop8(&u->wst), a = pop8(&u->wst); push8(&u->wst, b); push8(&u->wst, a); }
void op_ovr(Uxn *u) { push8(&u->wst, peek8(&u->wst, 1)); }
void op_rot(Uxn *u) { Uint8 c = pop8(&u->wst), b = pop8(&u->wst), a = pop8(&u->wst); push8(&u->wst, b); push8(&u->wst, c); push8(&u->wst, a); }
void op_wsr(Uxn *u) { Uint8 a = pop8(&u->wst); push8(&u->rst, a); u->balance++; }
void op_rsw(Uxn *u) { Uint8 a = pop8(&u->rst); push8(&u->wst, a); u->balance--; }
void op_wsr(Uxn *u) { Uint8 a = pop8(&u->wst); push8(&u->rst, a); }
void op_rsw(Uxn *u) { Uint8 a = pop8(&u->rst); push8(&u->wst, a); }
/* Arithmetic */
void op_add(Uxn *u) { Uint8 a = pop8(&u->wst), b = pop8(&u->wst); push8(&u->wst, getflag(&u->status, FLAG_SIGN) ? (Sint8)b + (Sint8)a : b + a); }
void op_sub(Uxn *u) { Uint8 a = pop8(&u->wst), b = pop8(&u->wst); push8(&u->wst, getflag(&u->status, FLAG_SIGN) ? (Sint8)b - (Sint8)a : b - a); }
@ -76,8 +76,8 @@ void op_dup16(Uxn *u) { push16(&u->wst, peek16(&u->wst, 0)); }
void op_swp16(Uxn *u) { Uint16 b = pop16(&u->wst), a = pop16(&u->wst); push16(&u->wst, b); push16(&u->wst, a); }
void op_ovr16(Uxn *u) { push16(&u->wst, peek16(&u->wst, 1)); }
void op_rot16(Uxn *u) { Uint16 c = pop16(&u->wst), b = pop16(&u->wst), a = pop16(&u->wst); push16(&u->wst, b); push16(&u->wst, c); push16(&u->wst, a); }
void op_wsr16(Uxn *u) { Uint16 a = pop16(&u->wst); push16(&u->rst, a); u->balance += 2; }
void op_rsw16(Uxn *u) { Uint16 a = pop16(&u->rst); push16(&u->wst, a); u->balance -= 2; }
void op_wsr16(Uxn *u) { Uint16 a = pop16(&u->wst); push16(&u->rst, a); }
void op_rsw16(Uxn *u) { Uint16 a = pop16(&u->rst); push16(&u->wst, a); }
/* Arithmetic(16-bits) */
void op_add16(Uxn *u) { Uint16 a = pop16(&u->wst), b = pop16(&u->wst); push16(&u->wst, getflag(&u->status, FLAG_SIGN) ? (Sint16)b + (Sint16)a : b + a); }
void op_sub16(Uxn *u) { Uint16 a = pop16(&u->wst), b = pop16(&u->wst); push16(&u->wst, getflag(&u->status, FLAG_SIGN) ? (Sint16)b - (Sint16)a : b - a); }
@ -91,7 +91,7 @@ void op_lth16(Uxn *u) { Uint16 a = pop16(&u->wst), b = pop16(&u->wst); push8(&u-
void (*ops[])(Uxn *u) = {
op_brk, op_nop, op_lit, op_nop, op_nop, op_nop, op_ldr, op_str,
op_jmp, op_jsr, op_nop, op_rts, op_and, op_ora, op_rol, op_ror,
op_pop, op_dup, op_swp, op_ovr, op_rot, op_wsr, op_rsw, op_nop,
op_pop, op_dup, op_swp, op_ovr, op_rot, op_nop, op_wsr, op_rsw,
op_add, op_sub, op_mul, op_div, op_equ, op_neq, op_gth, op_lth,
/* 16-bit */
op_brk, op_nop16, op_lit16, op_nop, op_nop, op_nop, op_ldr16, op_str16,
@ -139,8 +139,6 @@ opcuxn(Uxn *u, Uint8 instr)
setflag(&u->status, FLAG_SHORT, (instr >> 5) & 1);
setflag(&u->status, FLAG_SIGN, (instr >> 6) & 1);
setflag(&u->status, FLAG_COND, (instr >> 7) & 1);
if((op == 0x09 || op == 0x0b) && u->balance)
return haltuxn(u, "Stack unbalance", op);
if(getflag(&u->status, FLAG_SHORT))
op += 32;
if(u->wst.ptr < opr[op][0])

2
uxn.h
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@ -38,7 +38,7 @@ typedef struct Device {
} Device;
typedef struct {
Uint8 literal, status, balance, devices;
Uint8 literal, status, devices;
Uint16 counter, devr, devw, vreset, vframe, verror;
Stack wst, rst;
Memory ram;