mirror of https://github.com/mist64/msbasic.git
57 lines
922 B
ArmAsm
57 lines
922 B
ArmAsm
; configuration
|
|
CONFIG_2A := 1
|
|
|
|
CONFIG_NULL := 1
|
|
CONFIG_PRINT_CR := 1 ; print CR when line end reached
|
|
CONFIG_SAFE_NAMENOTFOUND := 1
|
|
CONFIG_SCRTCH_ORDER := 1
|
|
CONFIG_PEEK_SAVE_LINNUM := 1
|
|
CONFIG_SMALL_ERROR := 1
|
|
|
|
; zero page
|
|
ZP_START1 = $00
|
|
ZP_START2 = $18
|
|
ZP_START3 = $0d
|
|
ZP_START4 = $66
|
|
|
|
;extra ZP variables
|
|
USR := $0A
|
|
TXPSV := LASTOP
|
|
ZD3 := $D3
|
|
ZD4 := $D4
|
|
|
|
GET := IQERR
|
|
COS := USR1
|
|
SIN := USR1
|
|
TAN := USR1
|
|
ATN := USR1
|
|
|
|
; inputbuffer
|
|
INPUTBUFFER := $001E
|
|
|
|
; constants
|
|
STACK_TOP := $FE
|
|
SPACE_FOR_GOSUB := $3E
|
|
NULL_MAX := $F0
|
|
CRLF_1 := CR
|
|
CRLF_2 := LF
|
|
WIDTH := 72
|
|
WIDTH2 := 56
|
|
|
|
; memory layout
|
|
RAMSTART2 := $0200
|
|
|
|
; monitor functions
|
|
ASCNIB := $8275
|
|
INSTAT := $8386
|
|
MONRDKEY := $8A1B
|
|
MONCOUT := $8A47
|
|
ACCESS := $8B86
|
|
L8C78 := $8C78
|
|
DUMPT := $8E87
|
|
|
|
P3L := $A64A
|
|
P3H := P3L+1
|
|
P2L := $A64C
|
|
P2H := P2L+1
|
|
P1L := $A64E |