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clean-up of driver return codes

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This commit is contained in:
mrdudz
2023-02-26 20:03:41 +01:00
parent a299ef4210
commit ffa83c32a4
82 changed files with 438 additions and 322 deletions
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libsrc/atmos/ser/atmos-acia.s
+16 -12
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@@ -141,8 +141,9 @@ SER_CLOSE:
sta ACIA::CMD,x
; Done, return an error code
: lda #<SER_ERR_OK
tax ; A is zero
: lda #SER_ERR_OK
.assert SER_ERR_OK = 0, error
tax
stx Index ; Mark port as closed
rts
@@ -205,8 +206,9 @@ SER_OPEN:
; Done
stx Index ; Mark port as open
lda #<SER_ERR_OK
tax ; A is zero
lda #SER_ERR_OK
.assert SER_ERR_OK = 0, error
tax
rts
; Invalid parameter
@@ -235,8 +237,8 @@ SER_GET:
: lda RecvFreeCnt ; (25)
cmp #$FF
bne :+
lda #<SER_ERR_NO_DATA
ldx #>SER_ERR_NO_DATA
lda #SER_ERR_NO_DATA
ldx #0 ; return value is char
rts
; Check for flow stopped & enough free: release flow control
@@ -277,8 +279,8 @@ SER_PUT:
; Put byte into send buffer & send
: ldy SendFreeCnt
bne :+
lda #<SER_ERR_OVERFLOW
ldx #>SER_ERR_OVERFLOW
lda #SER_ERR_OVERFLOW
ldx #0 ; return value is char
rts
: ldy SendTail
@@ -287,7 +289,8 @@ SER_PUT:
dec SendFreeCnt
lda #$FF ; TryHard = true
jsr TryToSend
lda #<SER_ERR_OK
lda #SER_ERR_OK
.assert SER_ERR_OK = 0, error
tax
rts
@@ -299,7 +302,8 @@ SER_STATUS:
lda ACIA::STATUS
ldx #$00
sta (ptr1,x)
txa ; SER_ERR_OK
.assert SER_ERR_OK = 0, error
txa
rts
;----------------------------------------------------------------------------
@@ -308,8 +312,8 @@ SER_STATUS:
; Must return an SER_ERR_xx code in a/x.
SER_IOCTL:
lda #<SER_ERR_INV_IOCTL
ldx #>SER_ERR_INV_IOCTL
lda #SER_ERR_INV_IOCTL
ldx #0 ; return value is char
rts
;----------------------------------------------------------------------------