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(uxn.c) Wrap RAM on LDA/STA

This commit is contained in:
neauoire 2023-11-01 09:25:39 -07:00
parent 8e976310d3
commit 7dfcd2b579
3 changed files with 5 additions and 5 deletions
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6
src/uxn.c
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@ -37,7 +37,7 @@ WITH REGARD TO THIS SOFTWARE.
int int
uxn_eval(Uxn *u, Uint16 pc) uxn_eval(Uxn *u, Uint16 pc)
{ {
int t, n, l, r; Uint16 t, n, l, r;
Uint8 *ram = u->ram, *rr; Uint8 *ram = u->ram, *rr;
if(!pc || u->dev[0x0f]) return 0; if(!pc || u->dev[0x0f]) return 0;
for(;;) { for(;;) {
@ -91,9 +91,9 @@ uxn_eval(Uxn *u, Uint16 pc)
case 0x13: /* STR */ t=T;n=N; SET(2,-2) ram[pc + (Sint8)t] = n; break; case 0x13: /* STR */ t=T;n=N; SET(2,-2) ram[pc + (Sint8)t] = n; break;
case 0x33: /* STR2 */ t=T;n=H2; SET(3,-3) rr = ram + pc + (Sint8)t; POKE2(rr, n) break; case 0x33: /* STR2 */ t=T;n=H2; SET(3,-3) rr = ram + pc + (Sint8)t; POKE2(rr, n) break;
case 0x14: /* LDA */ t=T2; SET(2,-1) T = ram[t]; break; case 0x14: /* LDA */ t=T2; SET(2,-1) T = ram[t]; break;
case 0x34: /* LDA2 */ t=T2; SET(2, 0) rr = ram + t; T2_(PEEK2(rr)) break; case 0x34: /* LDA2 */ t=T2; SET(2, 0) N = ram[t++]; T = ram[t]; break;
case 0x15: /* STA */ t=T2;n=L; SET(3,-3) ram[t] = n; break; case 0x15: /* STA */ t=T2;n=L; SET(3,-3) ram[t] = n; break;
case 0x35: /* STA2 */ t=T2;n=N2; SET(4,-4) rr = ram + t; POKE2(rr, n) break; case 0x35: /* STA2 */ t=T2;n=N2; SET(4,-4) ram[t++] = n >> 8; ram[t] = n; break;
case 0x16: /* DEI */ t=T; SET(1, 0) T = emu_dei(u, t); break; case 0x16: /* DEI */ t=T; SET(1, 0) T = emu_dei(u, t); break;
case 0x36: /* DEI2 */ t=T; SET(1, 1) N = emu_dei(u, t); T = emu_dei(u, t + 1); break; case 0x36: /* DEI2 */ t=T; SET(1, 1) N = emu_dei(u, t); T = emu_dei(u, t + 1); break;
case 0x17: /* DEO */ t=T;n=N; SET(2,-2) emu_deo(u, t, n); break; case 0x17: /* DEO */ t=T;n=N; SET(2,-2) emu_deo(u, t, n); break;

2
src/uxncli.c
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@ -70,7 +70,7 @@ main(int argc, char **argv)
return system_error("usage", "uxncli [-v] file.rom [args..]"); return system_error("usage", "uxncli [-v] file.rom [args..]");
/* Read flags */ /* Read flags */
if(argv[i][0] == '-' && argv[i][1] == 'v') if(argv[i][0] == '-' && argv[i][1] == 'v')
return system_version("Uxncli - Console Varvara Emulator", "31 Oct 2023"); return system_version("Uxncli - Console Varvara Emulator", "1 Nov 2023");
if(!system_init(&u, (Uint8 *)calloc(0x10000 * RAM_PAGES, sizeof(Uint8)), argv[i++])) if(!system_init(&u, (Uint8 *)calloc(0x10000 * RAM_PAGES, sizeof(Uint8)), argv[i++]))
return system_error("Init", "Failed to initialize uxn."); return system_error("Init", "Failed to initialize uxn.");
/* Game Loop */ /* Game Loop */

2
src/uxnemu.c
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@ -549,7 +549,7 @@ main(int argc, char **argv)
/* Read flag. Right now, there can be only one. */ /* Read flag. Right now, there can be only one. */
if(argv[i][0] == '-') { if(argv[i][0] == '-') {
if(argv[i][1] == 'v') if(argv[i][1] == 'v')
return system_version("Uxnemu - Graphical Varvara Emulator", "31 Oct 2023"); return system_version("Uxnemu - Graphical Varvara Emulator", "1 Nov 2023");
if(argv[i][1] == '-') if(argv[i][1] == '-')
i++; i++;
if(strcmp(argv[i], "-2x") == 0 || strcmp(argv[i], "-3x") == 0) if(strcmp(argv[i], "-2x") == 0 || strcmp(argv[i], "-3x") == 0)