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cx16: added cx16.vaddr_autoincr() and cx16.vaddr_autodecr()

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Irmen de Jong 2023-07-21 23:04:21 +02:00
parent 4575a8fffe
commit 0e781d18fa
1 changed files with 2 additions and 0 deletions
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2
compiler/res/prog8lib/cx16/syslib.p8
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@ -567,6 +567,7 @@ asmsub vaddr(ubyte bank @A, uword address @R0, ubyte addrsel @R1, byte autoIncrO
asmsub vaddr_autoincr(ubyte bank @A, uword address @R0, ubyte addrsel @R1, uword autoIncrAmount @R2) clobbers(A,Y) {
; -- setup the VERA's data address register 0 or 1
; including setting up optional auto increment amount.
; Specifiying an unsupported amount results in amount of zero. See the Vera docs about what amounts are possible.
%asm {{
jsr _setup
lda cx16.r2H
@ -629,6 +630,7 @@ _strides_lsb .byte 0,1,2,4,8,16,32,64,128,255,255,40,80,160,255,255
asmsub vaddr_autodecr(ubyte bank @A, uword address @R0, ubyte addrsel @R1, uword autoDecrAmount @R2) clobbers(A,Y) {
; -- setup the VERA's data address register 0 or 1
; including setting up optional auto decrement amount.
; Specifiying an unsupported amount results in amount of zero. See the Vera docs about what amounts are possible.
%asm {{
jsr vaddr_autoincr._setup
lda cx16.r2H