mirror of
https://github.com/pfusik/xasm.git
synced 2024-12-22 00:29:15 +00:00
100 lines
2.0 KiB
Plaintext
100 lines
2.0 KiB
Plaintext
X-ASM 2.0 QUICK REFERENCE
|
|
=========================
|
|
|
|
6502 commands
|
|
-------------
|
|
ADC - add with carry
|
|
AND - and
|
|
ASL - arithmetic shift left
|
|
BCC - branch if carry clear
|
|
BCS - branch if carry set
|
|
BEQ - branch if equal
|
|
BIT - test bits
|
|
BMI - branch if minus
|
|
BNE - branch if not equal
|
|
BPL - branch if plus
|
|
BRK - break
|
|
BVC - branch if overflow clear
|
|
BVS - branch if overflow set
|
|
CLC - clear carry
|
|
CLD - clear decimal
|
|
CLI - clear interrupts
|
|
CLV - clear overflow
|
|
CMP - compare
|
|
CPX - compare with X
|
|
CPY - compare with Y
|
|
DEC - decrement
|
|
DEX - decrement X
|
|
DEY - decrement Y
|
|
EOR - exclusive or
|
|
INC - increment
|
|
INX - increment X
|
|
INY - increment Y
|
|
JMP - jump
|
|
JSR - jump to subroutine
|
|
LDA - load accumulator
|
|
LDX - load X
|
|
LDY - load Y
|
|
LSR - logical shift right
|
|
NOP - no operation
|
|
ORA - or accumulator
|
|
PHA - push accumulator
|
|
PHP - push flags
|
|
PLA - pull accumulator
|
|
PLP - pull flags
|
|
ROL - rotate left
|
|
ROR - rotate right
|
|
RTI - return from interrupt
|
|
RTS - return from subroutine
|
|
SBC - subtract with carry
|
|
SEC - set carry
|
|
SED - set decimal
|
|
SEI - set interrupts
|
|
STA - store accumulator
|
|
STX - store X
|
|
STY - store Y
|
|
TAX - transfer accumulator to X
|
|
TAY - transfer accumulator to Y
|
|
TSX - transfer stack pointer to X
|
|
TXA - transfer X to accumulator
|
|
TXS - transfer X to stack pointer
|
|
TYA - transfer Y to accumulator
|
|
|
|
X-Asm 2.0 pseudo-commands
|
|
-------------------------
|
|
ADD - add
|
|
INW - increment word
|
|
JCC - jump if carry clear
|
|
JCS - jump if carry set
|
|
JEQ - jump if equal
|
|
JMI - jump if minus
|
|
JNE - jump if not equal
|
|
JPL - jump if plus
|
|
JVC - jump if overflow clear
|
|
JVS - jump if overflow set
|
|
MVA - move byte using accumulator
|
|
MVX - move byte using X
|
|
MVY - move byte using Y
|
|
MWA - move word using accumulator
|
|
MWX - move word using X
|
|
MWY - move word using Y
|
|
SUB - subtract
|
|
|
|
X-Asm 2.0 directives
|
|
--------------------
|
|
DTA - define data
|
|
EIF - end if
|
|
ELS - else
|
|
END - end
|
|
EQU - equal
|
|
ERT - error if true
|
|
ICL - include
|
|
IFT - if true
|
|
INI - init
|
|
INS - insert
|
|
OPT - options
|
|
ORG - origin
|
|
RUN - run
|
|
|
|
===
|