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https://github.com/nanochess/pretty6502.git
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Added support for CP1610 processor and as1600 (Intellivision)
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nanochess
parent
724dcd6d60
commit
108beff9fb
142
pretty6502.c
142
pretty6502.c
@ -3,7 +3,7 @@
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**
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** by Oscar Toledo G.
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**
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** © Copyright 2017 Oscar Toledo G.
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** © Copyright 2017-2018 Oscar Toledo G.
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**
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** Creation date: Nov/03/2017.
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** Revision date: Nov/06/2017. Processor selection. Indents nested IF/ENDIF.
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@ -12,6 +12,8 @@
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** of mnemonics and directives.
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** Revision date: Apr/16/2018. Added support for Z80 + tniASM. Solved bug in
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** processing of apostrophe in operand.
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** Revision date: Apr/17/2018. Added support for CP1610 + as1600 (Intellivision).
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** Comments now also include indentation.
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*/
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#include <stdio.h>
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@ -19,7 +21,7 @@
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#include <string.h>
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#include <ctype.h>
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#define VERSION "v0.3"
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#define VERSION "v0.4"
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int tabs;
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int processor;
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@ -54,18 +56,37 @@ char *mnemonics_z80[] = {
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"srl", "sub", "xor", NULL,
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};
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/*
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** CP1610 mnemonics
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*/
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char *mnemonics_cp1610[] = {
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"adcr", "add", "add@", "addi", "addr", "and", "and@", "andi",
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"andr", "b", "bc", "beq", "besc", "bext", "bge", "bgt",
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"ble", "blge", "bllt", "blt", "bmi", "bnc", "bneq", "bnov",
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"bnze", "bov", "bpl", "busc", "bze", "clrc", "clrr", "cmp",
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"cmp@", "cmpi", "cmpr", "comr", "decr", "dis", "eis", "gswd",
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"hlt", "incr", "j", "jd", "je", "jr", "jsr", "jsrd",
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"jsre", "movr", "mvi", "mvi@", "mvii", "mvo", "mvo@", "mvoi",
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"negr", "nop", "nopp", "pshr", "pulr", "rlc", "rrc", "rswd",
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"sar", "sarc", "sdbd", "setc", "sin", "sll", "sllc", "slr",
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"sub", "sub@", "subi", "subr", "swap", "tci", "tstr", "xor",
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"xor@", "xori", "xorr", NULL,
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};
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#define DONT_RELOCATE_LABEL 0x01
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#define LEVEL_IN 0x02
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#define LEVEL_OUT 0x04
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#define LEVEL_MINUS 0x08
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struct directive {
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char *directive;
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int flags;
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};
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/*
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** DASM directives
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*/
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struct {
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char *directive;
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int flags;
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} directives_dasm[] = {
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struct directive directives_dasm[] = {
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"=", DONT_RELOCATE_LABEL,
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"align", 0,
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"byte", 0,
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@ -109,10 +130,7 @@ struct {
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/*
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** tniASM directives
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*/
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struct {
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char *directive;
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int flags;
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} directives_tniasm[] = {
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struct directive directives_tniasm[] = {
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"cpu", 0,
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"db", 0,
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"dc", 0,
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@ -136,6 +154,50 @@ struct {
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NULL, 0,
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};
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/*
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** as1600 directives
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*/
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struct directive directives_as1600[] = {
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"begin", 0,
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"bidecle", 0,
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"byte", 0,
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"cfgvar", 0,
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"cmsg", 0,
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"dcw", 0,
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"decle", 0,
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"else", LEVEL_MINUS,
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"endi", LEVEL_OUT,
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"endm", LEVEL_OUT,
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"endp", 0,
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"endr", 0,
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"ends", LEVEL_OUT,
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"err", 0,
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"if", LEVEL_IN,
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"listing", 0,
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"macro", LEVEL_IN,
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"memattr", 0,
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"org", DONT_RELOCATE_LABEL,
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"proc", DONT_RELOCATE_LABEL,
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"qequ", DONT_RELOCATE_LABEL,
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"qset", DONT_RELOCATE_LABEL,
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"repeat", 0,
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"res", 0,
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"reserve", 0,
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"return", 0,
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"rmb", 0,
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"romw", 0,
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"romwidth", 0,
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"rpt", 0,
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"set", DONT_RELOCATE_LABEL,
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"smsg", 0,
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"srcfile", 0,
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"string", 0,
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"struct", DONT_RELOCATE_LABEL | LEVEL_IN,
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"wmsg", 0,
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"word", 0,
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NULL, 0,
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};
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/*
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** Comparison without case
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*/
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@ -158,7 +220,7 @@ int check_opcode(char *p1, char *p2)
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int c;
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int length;
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if (processor == 1) {
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if (processor == 1) { /* 6502 + DASM */
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for (c = 0; directives_dasm[c].directive != NULL; c++) {
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length = strlen(directives_dasm[c].directive);
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if ((*p1 == '.' && length == p2 - p1 - 1 && memcmpcase(p1 + 1, directives_dasm[c].directive, p2 - p1 - 1) == 0) || (length == p2 - p1 && memcmpcase(p1, directives_dasm[c].directive, p2 - p1) == 0)) {
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@ -171,7 +233,7 @@ int check_opcode(char *p1, char *p2)
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return -(c + 1);
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}
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}
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if (processor == 2) {
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if (processor == 2) { /* Z80 + tniASM */
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for (c = 0; directives_tniasm[c].directive != NULL; c++) {
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length = strlen(directives_tniasm[c].directive);
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if (length == p2 - p1 && memcmpcase(p1, directives_tniasm[c].directive, p2 - p1) == 0) {
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@ -183,6 +245,19 @@ int check_opcode(char *p1, char *p2)
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if (length == p2 - p1 && memcmpcase(p1, mnemonics_z80[c], p2 - p1) == 0)
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return -(c + 1);
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}
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}
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if (processor == 3) { /* CP1610 + as1600 */
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for (c = 0; directives_as1600[c].directive != NULL; c++) {
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length = strlen(directives_as1600[c].directive);
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if (length == p2 - p1 && memcmpcase(p1, directives_as1600[c].directive, p2 - p1) == 0) {
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return c + 1;
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}
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}
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for (c = 0; mnemonics_cp1610[c] != NULL; c++) {
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length = strlen(mnemonics_cp1610[c]);
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if (length == p2 - p1 && memcmpcase(p1, mnemonics_cp1610[c], p2 - p1) == 0)
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return -(c + 1);
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}
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}
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return 0;
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}
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@ -248,6 +323,8 @@ int main(int argc, char *argv[])
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int flags;
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int mnemonics_case;
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int directives_case;
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int indent;
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int something;
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/*
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** Show usage if less than 3 arguments (program name counts as one)
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@ -270,6 +347,7 @@ int main(int argc, char *argv[])
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fprintf(stderr, " -p0 Processor unknown\n");
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fprintf(stderr, " -p1 Processor 6502 + DASM syntax (default)\n");
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fprintf(stderr, " -p2 Processor Z80 + tniASM syntax\n");
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fprintf(stderr, " -p3 Processor CP1610 + as1600 syntax (Intellivision(tm))\n");
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fprintf(stderr, " -m8 Start of mnemonic column (default)\n");
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fprintf(stderr, " -o16 Start of operand column (default)\n");
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fprintf(stderr, " -c32 Start of comment column (default)\n");
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@ -328,7 +406,7 @@ int main(int argc, char *argv[])
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break;
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case 'p': /* Processor */
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processor = atoi(&argv[c][2]);
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if (processor < 0 || processor > 2) {
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if (processor < 0 || processor > 3) {
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fprintf(stderr, "Bad processor code: %d\n", processor);
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exit(1);
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}
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@ -482,12 +560,14 @@ int main(int argc, char *argv[])
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current_level = 0;
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p = data;
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while (p < data + allocation) {
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something = 0;
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current_column = 0;
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p1 = p;
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p2 = p1;
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while (*p2 && !isspace(*p2) && *p2 != ';')
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p2++;
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if (p2 - p1) { /* Label */
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something = 1;
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fwrite(p1, sizeof(char), p2 - p1, output);
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current_column = p2 - p1;
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p1 = p2;
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@ -496,6 +576,7 @@ int main(int argc, char *argv[])
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}
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while (*p1 && isspace(*p1))
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p1++;
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indent = current_level * nesting_space;
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flags = 0;
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if (*p1 && *p1 != ';') { /* Mnemonic */
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p2 = p1;
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@ -512,6 +593,8 @@ int main(int argc, char *argv[])
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flags = directives_dasm[c - 1].flags;
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else if (processor == 2)
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flags = directives_tniasm[c - 1].flags;
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else if (processor == 3)
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flags = directives_as1600[c - 1].flags;
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if (flags & DONT_RELOCATE_LABEL)
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request = start_operand;
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else
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@ -559,21 +642,27 @@ int main(int argc, char *argv[])
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current_column = 0;
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}
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if (flags & LEVEL_OUT) {
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if (current_level > 0)
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if (current_level > 0) {
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current_level--;
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indent -= nesting_space;
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}
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}
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request += current_level * nesting_space;
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if (flags & LEVEL_MINUS)
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request -= nesting_space;
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if (flags & LEVEL_MINUS) {
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if (indent >= nesting_space)
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indent -= nesting_space;
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else
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indent = 0;
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}
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request += indent;
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request_space(output, ¤t_column, request, 1);
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something = 1;
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fwrite(p1, sizeof(char), p2 - p1, output);
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current_column += p2 - p1;
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p1 = p2;
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while (*p1 && isspace(*p1))
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p1++;
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if (*p1 && *p1 != ';') { /* Operand */
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request = start_operand;
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request += current_level * nesting_space;
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request = start_operand + indent;
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request_space(output, ¤t_column, request, 1);
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p2 = p1;
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while (*p2 && *p2 != ';') {
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@ -595,6 +684,7 @@ int main(int argc, char *argv[])
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}
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while (p2 > p1 && isspace(*(p2 - 1)))
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p2--;
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something = 1;
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fwrite(p1, sizeof(char), p2 - p1, output);
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current_column += p2 - p1;
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p1 = p2;
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@ -608,7 +698,7 @@ int main(int argc, char *argv[])
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if (*p1 == ';') { /* Comment */
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/*
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** Try to keep comments horizontally aligned (only works
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** Try to keep comments aligned vertically (only works
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** if spaces were used in source file)
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*/
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p2 = p1;
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@ -620,12 +710,12 @@ int main(int argc, char *argv[])
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prev_comment_original_location = p1 - p;
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if (current_column == 0)
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request = 0;
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else if (current_column < start_mnemonic)
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request = start_mnemonic;
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else if (current_column < start_mnemonic + indent)
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request = start_mnemonic + indent;
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else
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request = start_comment;
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request = start_comment + indent;
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if (current_column == 0 && align_comment == 1)
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request = start_mnemonic;
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request = start_mnemonic + indent;
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prev_comment_final_location = request;
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}
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request_space(output, ¤t_column, request, 0);
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@ -639,7 +729,9 @@ int main(int argc, char *argv[])
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current_column += p2 - p1;
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while (*p++) ;
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continue;
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}
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} else if (something == 0) {
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prev_comment_original_location = 0;
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}
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fputc('\n', output);
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while (*p++) ;
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}
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