mirror of
https://github.com/mist64/msbasic.git
synced 2024-06-24 10:29:27 +00:00
51 lines
977 B
ArmAsm
51 lines
977 B
ArmAsm
; ----------------------------------------------------------------------------
|
|
; Macros
|
|
|
|
; htasc - set the hi bit on the last byte of a string for termination
|
|
.macro htasc str
|
|
.repeat .strlen(str)-1,I
|
|
.byte .strat(str,I)
|
|
.endrep
|
|
.byte .strat(str,.strlen(str)-1) | $80
|
|
.endmacro
|
|
|
|
.macro keyword_addr key, vec, token
|
|
.segment "VECTORS"
|
|
.addr vec
|
|
.segment "KEYWORDS"
|
|
htasc key
|
|
define_token token
|
|
.endmacro
|
|
|
|
.macro define_token token
|
|
.segment "DUMMY"
|
|
.ifnblank token
|
|
token := <(*-DUMMY_START)+$80
|
|
.endif
|
|
.res 1
|
|
.endmacro
|
|
|
|
.macro keyword_rts key, vec, token
|
|
.segment "VECTORS"
|
|
.word vec-1
|
|
.segment "KEYWORDS"
|
|
htasc key
|
|
define_token token
|
|
.endmacro
|
|
|
|
.macro keyword key, token
|
|
.segment "KEYWORDS"
|
|
htasc key
|
|
define_token token
|
|
.endmacro
|
|
|
|
;.macro define_token name
|
|
; .segment "VECTORS"
|
|
; name := <(*-TOKEN_ADDRESS_TABLE)/2+$80
|
|
;.endmacro
|
|
|
|
.macro define_token_init
|
|
.segment "DUMMY"
|
|
DUMMY_START:
|
|
.endmacro
|