6502/cc65
1
0
Fork 0
mirror of https://github.com/cc65/cc65.git synced 2025-04-05 13:37:17 +00:00
Code Issues Projects Releases Wiki Activity

Fix logic error on parameters checks

Browse Source
This commit is contained in:
Colin Leroy-Mira 2023-10-12 08:53:05 +02:00 committed by Oliver Schmidt
parent c7db08b4e3
commit 6e0bbb00ee
1 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
libsrc/apple2/ser/a2.gs.s
View File

@ -334,14 +334,8 @@ SER_OPEN:
ldy #SER_PARAMS::HANDSHAKE ; Handshake
lda (ptr1),y
cmp #SER_HS_HW ; This is all we support
beq SetupBufs
bne InvParam
InvParam:
lda #SER_ERR_INIT_FAILED
ldy #$00 ; Mark port closed
jmp SetupOut
SetupBufs:
; Initialize buffers
ldy #$00
sty Stopped
@ -371,10 +365,9 @@ SetupBufs:
ldy #SER_PARAMS::PARITY
lda (ptr1),y ; Parity bits
tay
cmp #$FF
beq InvParam
pla
ora ParityTable,y ; Get value
bmi InvParam
ora #TX_RX_CLOCK_MUL
@ -406,10 +399,17 @@ SetBaud:
tay
lda BaudTable,y ; Get chip value from Low/High tables
bpl BaudOK ; Verify baudrate is supported
InvParam:
lda #SER_ERR_INIT_FAILED
ldy #$00 ; Mark port closed
bra SetupOut
BaudOK:
tay
lda BaudLowTable,y ; Get low byte
bmi InvParam ; Branch if rate not supported
phy
ldy #WR_BAUDL_CTRL