This page (revision-6) was last changed on 26-Mar-2023 00:20 by Peter Dell 

This page was created on 20-Feb-2010 19:16 by Carsten Strotmann

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Version Date Modified Size Author Changes ... Change note
6 26-Mar-2023 00:20 1 KB Peter Dell to previous
5 26-Mar-2023 00:20 1 KB Peter Dell to previous | to last A pseudo Assembler in ACTION ==> A pseudo Assembler in Action
4 03-Feb-2023 15:21 1 KB Carsten Strotmann to previous | to last
3 26-Jul-2010 09:40 203 bytes Gromit to previous | to last
2 20-Feb-2010 19:17 201 bytes Carsten Strotmann to previous | to last
1 20-Feb-2010 19:16 186 bytes Carsten Strotmann to last

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A pseudo Assembler in Action
A pseudo Assembler in Action

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At line 1 changed one line
!A pseudo Assembler in Action!
!A pseudo Assembler in ACTION!
At line 5 changed 2 lines
Language: Action! \\
Compiler/Interpreter: Action! \\
Language: ACTION! \\
Compiler/Interpreter: ACTION! \\
At line 9 changed 65 lines
PDF: [assem_doc.PDF]
{{{
; ASSEM.ACT - ACTION! pseudo-assembler
; NOT copyrighted at any time
;
; Programmed by
; Allen D. Doum
; Downloaded from
; THE SOFTWARE CELLAR
; (714) 772-9671
;
; compiler must be CASE SENSITVE to use
;assembler commands
DEFINE CODE="[",ENDC="]"
;single byte instructions
DEFINE Brk="$00",
Clc="$18",Cld="$D8",Cli="$58",
Clv="$B8",Dex="$CA",Dey="$88",
Inx="$E8",Iny="$C8",Nop="$EA",
Pha="$48",Php="$08",Pla="$68",
Plp="$28",Rti="$40",Rts="$60",
Sec="$38",Sed="$E8",Sei="$78",
Tax="$AA",Tay="$A8",Tsx="$BA",
Txa="$8A",Txs="$9A",Tya="$98"
;single mode only instructions
DEFINE Bcc="$90",Bcs="$B0",Beq="$F0",
Bmi="$30",Bne="$D0",Bpl="$10",
Bvc="$50",Bvs="$70",Jsr="$20"
;other instructions require addressing modes (below)
DEFINE Adc="$61+",And="$21+",Asl="$02+",
Bit="$20+",Cmp="$C1+",Cpx="$E0+",
Cpy="$C0+",Dec="$C2+",Eor="$41+",
Inc="$E2+",Jmp="$40+",Lda="$A1+",
Ldx="$A2+",Ldy="$A0+",Lsr="$42+",
Ora="$01+",Rol="$22+",Ror="$62+",
Sbc="$E1+",Sta="$81+",Stx="$82+",
Sty="$80+"
;mode operations - use following above
DEFINE PZ ="$04", ;page zero
PZi="$14", ;page zero indexed
PZx="$14", ;page zero index X
PZy="$14", ;page zero index Y
IN ="$2C", ;indirect
INx="$00", ;X indirect
INy="$10", ;Y indirect
AB ="$0C", ;absolute
ABx="$1C", ;absolute X
ABy="$18", ;absolute Y (expt LDX)
ABi="$1C", ;Ldx absolute Y
AC ="$08", ;accumutator
IM ="$08", ;immediate (expt below)
IMi="$00" ;immediate (Ldy,Ldx,Cpy,Cpx)
}}}
See attached scans
This page (revision-6) was last changed on 26-Mar-2023 00:20 by Peter Dell  Top