6502/C02
1
0
Fork 0
mirror of https://github.com/RevCurtisP/C02.git synced 2024-11-22 01:31:33 +00:00
Code Issues Projects Releases Wiki Activity

Added HEX Pseudo-Op, Fixed LDY Addressing Modes

Browse Source
This commit is contained in:
Curtis F Kaylor 2019-11-14 12:28:32 -05:00
parent 18088691d7
commit bdc3674c59
2 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
a02.c
View File

@ -286,6 +286,12 @@ void asmbyt(void) {
} while (cpychr(',')); } while (cpychr(','));
} }
/* Assemble HEX Pseudo-Op */
void asmhex(void) {
if (DEBUG) puts("Assembling HEX Pseudo-Op");
do {outbyt(evlhex(0xFF)); } while (cpychr(','));
}
/* Assemble WORD Pseudo-Op */ /* Assemble WORD Pseudo-Op */
void asmwrd(void) { void asmwrd(void) {
do { do {
@ -359,6 +365,7 @@ int asmpso(void) {
switch (token) { switch (token) {
case '=': asmequ(); break; //EQU case '=': asmequ(); break; //EQU
case 'B': asmbyt(); break; //BYTE case 'B': asmbyt(); break; //BYTE
case 'H': asmhex(); break; //BYTE
case 'W': asmwrd(); break; //WORD case 'W': asmwrd(); break; //WORD
case 'F': asmfll(); break; //FILL case 'F': asmfll(); break; //FILL
case 'S': asmsub(); break; //SUBRoutine case 'S': asmsub(); break; //SUBRoutine

8
a02.h
View File

@ -41,9 +41,9 @@ struct amd amdesc[] = {
struct opc {char name[5], token; int amode;}; struct opc {char name[5], token; int amode;};
struct opc psolst[] = { struct opc psolst[] = {
{"BYTE", 'B', 0}, {"WORD", 'W', 0}, {"EQU", '=', 0}, {"FILL", 'F', 0}, {"INCL", 'I', 0}, {"BYTE", 'B', 0}, {"HEX", 'H'}, {"WORD", 'W', 0}, {"EQU", '=', 0}, {"FILL", 'F', 0},
{"SUBR", 'S', 0}, {"ORG", '*', 0}, {"PROC", 'P', 0}, {"DC", 'B', 0}, {"DS", 'F', 0}, {"INCL", 'I', 0}, {"SUBR", 'S', 0}, {"ORG", '*', 0}, {"PROC", 'P', 0},
{"", 0, 0} {"DC", 'B', 0}, {"DS", 'F', 0}, {"", 0, 0}
}; };
struct opc opclst[] = { struct opc opclst[] = {
@ -74,7 +74,7 @@ struct opc opclst[] = {
{"STZ", 0x60, 0x006C}, {"STZ", 0x60, 0x006C},
{"JMP", 0x4C, 0x0620}, {"JMP", 0x4C, 0x0620},
{"JSR", 0x14, 0x0020}, {"JSR", 0x14, 0x0020},
{"LDY", 0xA0, 0x002E}, {"LDY", 0xA0, 0x006E},
{"STY", 0x80, 0x002C}, {"STY", 0x80, 0x002C},
{"", 0, 0} {"", 0, 0}
}; };