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Reverted "Removed OVR opcode and replaced with NIP" and uxn-fast.c update. 

This reverts commits 1afe39fba4 and 3d3569bab7.
This commit is contained in:
Andrew Alderwick 2021-08-15 21:06:54 +01:00
parent 3d3569bab7
commit e2190d84d8
4 changed files with 87 additions and 74 deletions
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13
projects/examples/demos/piano.tal
View File

@ -6,8 +6,7 @@
%<< { LTH2 } %>> { GTH2 } %== { EQU2 } %!! { NEQ2 }
%RTN { JMP2r }
%OVR { NIPk } %OVR2 { NIP2k }
%TOS { #00 SWP }
%TOS { #00 SWP } %TOB { SWP POP }
%MOD { DUP2 / * - }
%LTS2 { #8000 ++ SWP2 #8000 ++ >> }
%GTS2 { #8000 ++ SWP2 #8000 ++ << }
@ -184,8 +183,8 @@ BRK
@on-touch-octave-view ( -> )
.Mouse/x DEI2 .octave-view/x1 LDZ2 -- 8// NIP #09 ! ,&no-mod JCN
.Mouse/y DEI2 .octave-view/y1 LDZ2 -- 8// NIP
.Mouse/x DEI2 .octave-view/x1 LDZ2 -- 8// TOB #09 ! ,&no-mod JCN
.Mouse/y DEI2 .octave-view/y1 LDZ2 -- 8// TOB
DUP #00 ! ,&no-incr JCN
.octave LDZ #03 = ,&no-incr JCN
.octave LDZ #01 + .octave STZ &no-incr
@ -198,7 +197,7 @@ BRK
BRK
&no-mod
.Mouse/x DEI2 .octave-view/x1 LDZ2 -- 8// NIP #06 > ,&no-key JCN
.Mouse/x DEI2 .octave-view/x1 LDZ2 -- 8// TOB #06 > ,&no-key JCN
.Mouse/x DEI2 .octave-view/x1 LDZ2 -- 8// ;notes ++ LDA .octave LDZ #0c * + ;play JSR2
( release ) #00 .Mouse/state DEO
;draw-octave JSR2
@ -208,7 +207,7 @@ BRK
@on-touch-adsr-view ( -> )
.Mouse/x DEI2 .adsr-view/x1 LDZ2 -- 8// NIP #03 /
.Mouse/x DEI2 .adsr-view/x1 LDZ2 -- 8// TOB #03 /
DUP #00 ! ,&no-a JCN
.Audio0/adsr DEI
#10 .Mouse/state DEI #10 = #e0 * + +
@ -358,7 +357,7 @@ RTN
TOS 4// .wave-view/y1 LDZ2 ++ .Screen/y DEO2
.Screen/x DEI2 #0001 ++ .Screen/x DEO2
( draw ) DUP
.Audio0/length DEI2 NIP >
.Audio0/length DEI2 TOB >
.Audio0/length DEI2 #0100 !! #0101 == #02 * #01 + .Screen/pixel DEO
#01 + GTHk ,&loop JCN
POP2

138
src/uxn-fast.c
View File

@ -139,19 +139,22 @@ uxn_eval(Uxn *u, Uint16 vec)
#endif
}
break;
case 0x06: /* NIP */
__asm__("evaluxn_06_NIP:");
case 0x06: /* OVR */
__asm__("evaluxn_06_OVR:");
{
Uint8 a;
u->wst.dat[u->wst.ptr - 1];
a = u->wst.dat[u->wst.ptr - 2];
Uint8 a = u->wst.dat[u->wst.ptr - 1], b = u->wst.dat[u->wst.ptr - 2];
u->wst.dat[u->wst.ptr] = b;
#ifndef NO_STACK_CHECKS
if(__builtin_expect(u->wst.ptr < 2, 0)) {
u->wst.error = 1;
goto error;
}
if(__builtin_expect(u->wst.ptr > 254, 0)) {
u->wst.error = 2;
goto error;
}
#endif
u->wst.ptr -= 1;
u->wst.ptr += 1;
}
break;
case 0x07: /* ROT */
@ -591,21 +594,23 @@ uxn_eval(Uxn *u, Uint16 vec)
#endif
}
break;
case 0x26: /* NIP2 */
__asm__("evaluxn_26_NIP2:");
case 0x26: /* OVR2 */
__asm__("evaluxn_26_OVR2:");
{
Uint16 a;
(u->wst.dat[u->wst.ptr - 1] | (u->wst.dat[u->wst.ptr - 2] << 8));
a = (u->wst.dat[u->wst.ptr - 3] | (u->wst.dat[u->wst.ptr - 4] << 8));
u->wst.dat[u->wst.ptr - 4] = a >> 8;
u->wst.dat[u->wst.ptr - 3] = a & 0xff;
Uint8 a = u->wst.dat[u->wst.ptr - 1], b = u->wst.dat[u->wst.ptr - 2], c = u->wst.dat[u->wst.ptr - 3], d = u->wst.dat[u->wst.ptr - 4];
u->wst.dat[u->wst.ptr] = d;
u->wst.dat[u->wst.ptr + 1] = c;
#ifndef NO_STACK_CHECKS
if(__builtin_expect(u->wst.ptr < 4, 0)) {
u->wst.error = 1;
goto error;
}
if(__builtin_expect(u->wst.ptr > 253, 0)) {
u->wst.error = 2;
goto error;
}
#endif
u->wst.ptr -= 2;
u->wst.ptr += 2;
}
break;
case 0x27: /* ROT2 */
@ -1071,19 +1076,22 @@ uxn_eval(Uxn *u, Uint16 vec)
#endif
}
break;
case 0x46: /* NIPr */
__asm__("evaluxn_46_NIPr:");
case 0x46: /* OVRr */
__asm__("evaluxn_46_OVRr:");
{
Uint8 a;
u->rst.dat[u->rst.ptr - 1];
a = u->rst.dat[u->rst.ptr - 2];
Uint8 a = u->rst.dat[u->rst.ptr - 1], b = u->rst.dat[u->rst.ptr - 2];
u->rst.dat[u->rst.ptr] = b;
#ifndef NO_STACK_CHECKS
if(__builtin_expect(u->rst.ptr < 2, 0)) {
u->rst.error = 1;
goto error;
}
if(__builtin_expect(u->rst.ptr > 254, 0)) {
u->rst.error = 2;
goto error;
}
#endif
u->rst.ptr -= 1;
u->rst.ptr += 1;
}
break;
case 0x47: /* ROTr */
@ -1523,21 +1531,23 @@ uxn_eval(Uxn *u, Uint16 vec)
#endif
}
break;
case 0x66: /* NIP2r */
__asm__("evaluxn_66_NIP2r:");
case 0x66: /* OVR2r */
__asm__("evaluxn_66_OVR2r:");
{
Uint16 a;
(u->rst.dat[u->rst.ptr - 1] | (u->rst.dat[u->rst.ptr - 2] << 8));
a = (u->rst.dat[u->rst.ptr - 3] | (u->rst.dat[u->rst.ptr - 4] << 8));
u->rst.dat[u->rst.ptr - 4] = a >> 8;
u->rst.dat[u->rst.ptr - 3] = a & 0xff;
Uint8 a = u->rst.dat[u->rst.ptr - 1], b = u->rst.dat[u->rst.ptr - 2], c = u->rst.dat[u->rst.ptr - 3], d = u->rst.dat[u->rst.ptr - 4];
u->rst.dat[u->rst.ptr] = d;
u->rst.dat[u->rst.ptr + 1] = c;
#ifndef NO_STACK_CHECKS
if(__builtin_expect(u->rst.ptr < 4, 0)) {
u->rst.error = 1;
goto error;
}
if(__builtin_expect(u->rst.ptr > 253, 0)) {
u->rst.error = 2;
goto error;
}
#endif
u->rst.ptr -= 2;
u->rst.ptr += 2;
}
break;
case 0x67: /* ROT2r */
@ -1994,24 +2004,24 @@ uxn_eval(Uxn *u, Uint16 vec)
u->wst.ptr += 2;
}
break;
case 0x86: /* NIPk */
__asm__("evaluxn_86_NIPk:");
case 0x86: /* OVRk */
__asm__("evaluxn_86_OVRk:");
{
Uint8 a;
u->wst.dat[u->wst.ptr - 1];
a = u->wst.dat[u->wst.ptr - 2];
u->wst.dat[u->wst.ptr] = a;
Uint8 a = u->wst.dat[u->wst.ptr - 1], b = u->wst.dat[u->wst.ptr - 2];
u->wst.dat[u->wst.ptr] = b;
u->wst.dat[u->wst.ptr + 1] = a;
u->wst.dat[u->wst.ptr + 2] = b;
#ifndef NO_STACK_CHECKS
if(__builtin_expect(u->wst.ptr < 2, 0)) {
u->wst.error = 1;
goto error;
}
if(__builtin_expect(u->wst.ptr > 254, 0)) {
if(__builtin_expect(u->wst.ptr > 252, 0)) {
u->wst.error = 2;
goto error;
}
#endif
u->wst.ptr += 1;
u->wst.ptr += 3;
}
break;
case 0x87: /* ROTk */
@ -2502,25 +2512,27 @@ uxn_eval(Uxn *u, Uint16 vec)
u->wst.ptr += 4;
}
break;
case 0xa6: /* NIP2k */
__asm__("evaluxn_a6_NIP2k:");
case 0xa6: /* OVR2k */
__asm__("evaluxn_a6_OVR2k:");
{
Uint16 a;
(u->wst.dat[u->wst.ptr - 1] | (u->wst.dat[u->wst.ptr - 2] << 8));
a = (u->wst.dat[u->wst.ptr - 3] | (u->wst.dat[u->wst.ptr - 4] << 8));
u->wst.dat[u->wst.ptr] = a >> 8;
u->wst.dat[u->wst.ptr + 1] = a & 0xff;
Uint8 a = u->wst.dat[u->wst.ptr - 1], b = u->wst.dat[u->wst.ptr - 2], c = u->wst.dat[u->wst.ptr - 3], d = u->wst.dat[u->wst.ptr - 4];
u->wst.dat[u->wst.ptr] = d;
u->wst.dat[u->wst.ptr + 1] = c;
u->wst.dat[u->wst.ptr + 2] = b;
u->wst.dat[u->wst.ptr + 3] = a;
u->wst.dat[u->wst.ptr + 4] = d;
u->wst.dat[u->wst.ptr + 5] = c;
#ifndef NO_STACK_CHECKS
if(__builtin_expect(u->wst.ptr < 4, 0)) {
u->wst.error = 1;
goto error;
}
if(__builtin_expect(u->wst.ptr > 253, 0)) {
if(__builtin_expect(u->wst.ptr > 249, 0)) {
u->wst.error = 2;
goto error;
}
#endif
u->wst.ptr += 2;
u->wst.ptr += 6;
}
break;
case 0xa7: /* ROT2k */
@ -3023,24 +3035,24 @@ uxn_eval(Uxn *u, Uint16 vec)
u->rst.ptr += 2;
}
break;
case 0xc6: /* NIPkr */
__asm__("evaluxn_c6_NIPkr:");
case 0xc6: /* OVRkr */
__asm__("evaluxn_c6_OVRkr:");
{
Uint8 a;
u->rst.dat[u->rst.ptr - 1];
a = u->rst.dat[u->rst.ptr - 2];
u->rst.dat[u->rst.ptr] = a;
Uint8 a = u->rst.dat[u->rst.ptr - 1], b = u->rst.dat[u->rst.ptr - 2];
u->rst.dat[u->rst.ptr] = b;
u->rst.dat[u->rst.ptr + 1] = a;
u->rst.dat[u->rst.ptr + 2] = b;
#ifndef NO_STACK_CHECKS
if(__builtin_expect(u->rst.ptr < 2, 0)) {
u->rst.error = 1;
goto error;
}
if(__builtin_expect(u->rst.ptr > 254, 0)) {
if(__builtin_expect(u->rst.ptr > 252, 0)) {
u->rst.error = 2;
goto error;
}
#endif
u->rst.ptr += 1;
u->rst.ptr += 3;
}
break;
case 0xc7: /* ROTkr */
@ -3531,25 +3543,27 @@ uxn_eval(Uxn *u, Uint16 vec)
u->rst.ptr += 4;
}
break;
case 0xe6: /* NIP2kr */
__asm__("evaluxn_e6_NIP2kr:");
case 0xe6: /* OVR2kr */
__asm__("evaluxn_e6_OVR2kr:");
{
Uint16 a;
(u->rst.dat[u->rst.ptr - 1] | (u->rst.dat[u->rst.ptr - 2] << 8));
a = (u->rst.dat[u->rst.ptr - 3] | (u->rst.dat[u->rst.ptr - 4] << 8));
u->rst.dat[u->rst.ptr] = a >> 8;
u->rst.dat[u->rst.ptr + 1] = a & 0xff;
Uint8 a = u->rst.dat[u->rst.ptr - 1], b = u->rst.dat[u->rst.ptr - 2], c = u->rst.dat[u->rst.ptr - 3], d = u->rst.dat[u->rst.ptr - 4];
u->rst.dat[u->rst.ptr] = d;
u->rst.dat[u->rst.ptr + 1] = c;
u->rst.dat[u->rst.ptr + 2] = b;
u->rst.dat[u->rst.ptr + 3] = a;
u->rst.dat[u->rst.ptr + 4] = d;
u->rst.dat[u->rst.ptr + 5] = c;
#ifndef NO_STACK_CHECKS
if(__builtin_expect(u->rst.ptr < 4, 0)) {
u->rst.error = 1;
goto error;
}
if(__builtin_expect(u->rst.ptr > 253, 0)) {
if(__builtin_expect(u->rst.ptr > 249, 0)) {
u->rst.error = 2;
goto error;
}
#endif
u->rst.ptr += 2;
u->rst.ptr += 6;
}
break;
case 0xe7: /* ROT2kr */

8
src/uxn.c
View File

@ -39,7 +39,7 @@ static void op_lit(Uxn *u) { push8(u->src, mempeek8(u->ram.dat, u->ram.ptr++));
static void op_pop(Uxn *u) { pop8(u->src); }
static void op_dup(Uxn *u) { Uint8 a = pop8(u->src); push8(u->src, a); push8(u->src, a); }
static void op_swp(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, a); push8(u->src, b); }
static void op_nip(Uxn *u) { Uint8 a; pop8(u->src); a = pop8(u->src); push8(u->src, a); }
static void op_ovr(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b); push8(u->src, a); push8(u->src, b); }
static void op_rot(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src), c = pop8(u->src); push8(u->src, b); push8(u->src, a); push8(u->src, c); }
/* Logic */
static void op_equ(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b == a); }
@ -73,7 +73,7 @@ static void op_lit16(Uxn *u) { push16(u->src, mempeek16(u->ram.dat, u->ram.ptr++
static void op_pop16(Uxn *u) { pop16(u->src); }
static void op_dup16(Uxn *u) { Uint16 a = pop16(u->src); push16(u->src, a); push16(u->src, a); }
static void op_swp16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, a); push16(u->src, b); }
static void op_nip16(Uxn *u) { Uint16 a; pop16(u->src); a = pop16(u->src); push16(u->src, a); }
static void op_ovr16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, b); push16(u->src, a); push16(u->src, b); }
static void op_rot16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src), c = pop16(u->src); push16(u->src, b); push16(u->src, a); push16(u->src, c); }
/* Logic(16-bits) */
static void op_equ16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, b == a); }
@ -104,12 +104,12 @@ static void op_eor16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push
static void op_sft16(Uxn *u) { Uint8 a = pop8(u->src); Uint16 b = pop16(u->src); push16(u->src, b >> (a & 0x0f) << ((a & 0xf0) >> 4)); }
static void (*ops[])(Uxn *u) = {
op_brk, op_lit, op_nop, op_pop, op_dup, op_swp, op_nip, 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_jmp, op_jnz, op_jsr, op_sth,
op_pek, op_pok, op_ldr, op_str, op_lda, op_sta, op_dei, op_deo,
op_add, op_sub, op_mul, op_div, op_and, op_ora, op_eor, op_sft,
/* 16-bit */
op_brk, op_lit16, op_nop, op_pop16, op_dup16, op_swp16, op_nip16, 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_jmp16, op_jnz16, op_jsr16, op_sth16,
op_pek16, op_pok16, op_ldr16, op_str16, op_lda16, op_sta16, op_dei16, op_deo16,
op_add16, op_sub16, op_mul16, op_div16, op_and16, op_ora16, op_eor16, op_sft16

2
src/uxnasm.c
View File

@ -40,7 +40,7 @@ Program p;
/* clang-format off */
static char ops[][4] = {
"BRK", "LIT", "NOP", "POP", "DUP", "SWP", "NIP", "ROT",
"BRK", "LIT", "NOP", "POP", "DUP", "SWP", "OVR", "ROT",
"EQU", "NEQ", "GTH", "LTH", "JMP", "JCN", "JSR", "STH",
"LDZ", "STZ", "LDR", "STR", "LDA", "STA", "DEI", "DEO",
"ADD", "SUB", "MUL", "DIV", "AND", "ORA", "EOR", "SFT"