uxn

Varvara Ordinator, written in ANSI C(SDL2)
git clone https://git.eamoncaddigan.net/uxn.git
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commit a5ec692b0aa2fb98d10e74df3cc5fb4ae4f9dbee
parent fcd4fa6da2655910b2ba7016cc54014b3bb3d1b4
Author: neauoire <aliceffekt@gmail.com>
Date:   Fri, 26 Mar 2021 20:16:48 -0700

Removed CLN

Diffstat:
Mbuild.sh | 2+-
Mprojects/software/noodle.usm | 1+
Msrc/assembler.c | 4++--
Msrc/uxn.c | 22++++++++++------------
4 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/build.sh b/build.sh @@ -28,7 +28,7 @@ else fi echo "Assembling.." -./bin/assembler projects/software/left.usm bin/boot.rom +./bin/assembler projects/software/noodle.usm bin/boot.rom echo "Running.." if [ "${2}" = '--cli' ]; diff --git a/projects/software/noodle.usm b/projects/software/noodle.usm @@ -20,6 +20,7 @@ %RTN { JMP2r } %RTN? { #00 EQU #02 JNZ STH2r JMP2 } %ABS2 { DUP2 #000f SFT2 EQU #04 JNZ #ffff MUL2 } +%CLN2r { DUP2 STH2 } %STEP8 { #0033 SFT2 } %MOD8 { #0007 AND2 } %SFL { #40 SFT SFT } diff --git a/src/assembler.c b/src/assembler.c @@ -46,8 +46,8 @@ Program p; char ops[][4] = { "BRK", "NOP", "LIT", "POP", "DUP", "SWP", "OVR", "ROT", - "EQU", "NEQ", "GTH", "LTH", "GTS", "LTS", "JMP", "JSR", - "PEK", "POK", "LDR", "STR", "JNZ", "---", "CLN", "STH", + "EQU", "NEQ", "GTH", "LTH", "GTS", "LTS", "---", "---", + "PEK", "POK", "LDR", "STR", "JMP", "JNZ", "JSR", "STH", "ADD", "SUB", "MUL", "DIV", "AND", "ORA", "EOR", "SFT" }; diff --git a/src/uxn.c b/src/uxn.c @@ -45,15 +45,14 @@ void op_gth(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b void op_lth(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b < a); } void op_gts(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, (Sint8)b > (Sint8)a); } void op_lts(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, (Sint8)b < (Sint8)a); } -void op_jmp(Uxn *u) { Uint8 a = pop8(u->src); u->ram.ptr += (Sint8)a; } -void op_jnz(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); if (b) u->ram.ptr += (Sint8)a; } -void op_jsr(Uxn *u) { Uint8 a = pop8(u->src); push16(u->dst, u->ram.ptr); u->ram.ptr += (Sint8)a; } /* Memory */ void op_pek(Uxn *u) { Uint8 a = pop8(u->src); push8(u->src, mempeek8(u, a)); } void op_pok(Uxn *u) { Uint8 a = pop8(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_jmp(Uxn *u) { Uint8 a = pop8(u->src); u->ram.ptr += (Sint8)a; } +void op_jnz(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); if (b) u->ram.ptr += (Sint8)a; } +void op_jsr(Uxn *u) { Uint8 a = pop8(u->src); push16(u->dst, u->ram.ptr); u->ram.ptr += (Sint8)a; } void op_sth(Uxn *u) { Uint8 a = pop8(u->src); push8(u->dst, a); } /* Arithmetic */ void op_add(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b + a); } @@ -79,15 +78,14 @@ void op_gth16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->sr void op_lth16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, b < a); } void op_gts16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, (Sint16)b > (Sint16)a); } void op_lts16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, (Sint16)b < (Sint16)a); } -void op_jmp16(Uxn *u) { u->ram.ptr = pop16(u->src); } -void op_jnz16(Uxn *u) { Uint16 a = pop16(u->src); Uint8 b = pop8(u->src); if (b) u->ram.ptr = a; } -void op_jsr16(Uxn *u) { push16(u->dst, u->ram.ptr); u->ram.ptr = pop16(u->src); } /* Memory(16-bits) */ void op_pek16(Uxn *u) { Uint16 a = pop16(u->src); push8(u->src, mempeek8(u, a)); } void op_pok16(Uxn *u) { Uint16 a = pop16(u->src); Uint8 b = pop8(u->src); mempoke8(u, a, b); } void op_ldr16(Uxn *u) { Uint16 a = pop16(u->src); push16(u->src, mempeek16(u, a)); } void op_str16(Uxn *u) { Uint16 a = pop16(u->src); Uint16 b = pop16(u->src); mempoke16(u, a, b); } -void op_cln16(Uxn *u) { push16(u->src, peek16(u->dst, 0)); } +void op_jmp16(Uxn *u) { u->ram.ptr = pop16(u->src); } +void op_jnz16(Uxn *u) { Uint16 a = pop16(u->src); Uint8 b = pop8(u->src); if (b) u->ram.ptr = a; } +void op_jsr16(Uxn *u) { push16(u->dst, u->ram.ptr); u->ram.ptr = pop16(u->src); } void op_sth16(Uxn *u) { Uint16 a = pop16(u->src); push16(u->dst, a); } /* Arithmetic(16-bits) */ void op_add16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, b + a); } @@ -101,13 +99,13 @@ void op_sft16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); Uint8 left void (*ops[])(Uxn *u) = { op_brk, op_nop, op_lit, op_pop, op_dup, op_swp, op_ovr, op_rot, - op_equ, op_neq, op_gth, op_lth, op_gts, op_lts, op_jmp, op_jsr, - op_pek, op_pok, op_ldr, op_str, op_jnz, op_nop, op_cln, op_sth, + 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_equ16, op_neq16, op_gth16, op_lth16, op_gts16, op_lts16, op_jmp16, op_jsr16, - op_pek16, op_pok16, op_ldr16, op_str16, op_jnz16, op_nop, op_cln16, op_sth16, + 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 };