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clean-up of driver return codes

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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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39
libsrc/c64/ser/c64-swlink.s
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@@ -161,8 +161,9 @@ SetNMI: sta NMIVec
; Done, return an error code
lda #<SER_ERR_OK
tax ; A is zero
lda #SER_ERR_OK
.assert SER_ERR_OK = 0, error
tax
rts
;----------------------------------------------------------------------------
@@ -238,22 +239,23 @@ SER_OPEN:
; Done
lda #<SER_ERR_OK
tax ; A is zero
lda #SER_ERR_OK
.assert SER_ERR_OK = 0, error
tax
rts
; Invalid parameter
InvParam:
lda #<SER_ERR_INIT_FAILED
ldx #>SER_ERR_INIT_FAILED
lda #SER_ERR_INIT_FAILED
ldx #0 ; return value is char
rts
; Baud rate not available
InvBaud:
lda #<SER_ERR_BAUD_UNAVAIL
ldx #>SER_ERR_BAUD_UNAVAIL
lda #SER_ERR_BAUD_UNAVAIL
ldx #0 ; return value is char
rts
;----------------------------------------------------------------------------
@@ -274,8 +276,9 @@ SER_CLOSE:
; Return OK
lda #<SER_ERR_OK
tax ; A is zero
lda #SER_ERR_OK
.assert SER_ERR_OK = 0, error
tax
rts
;----------------------------------------------------------------------------
@@ -296,8 +299,8 @@ SER_GET:
@L1: lda RecvFreeCnt ; (25)
cmp #$ff
bne @L2
lda #<SER_ERR_NO_DATA
ldx #>SER_ERR_NO_DATA
lda #SER_ERR_NO_DATA
ldx #0 ; return value is char
rts
; Check for flow stopped & enough free: release flow control
@@ -344,7 +347,7 @@ SER_PUT:
@L2: ldx SendFreeCnt
bne @L3
lda #<SER_ERR_OVERFLOW ; X is already zero
lda #SER_ERR_OVERFLOW ; X is already zero
rts
@L3: ldx SendTail
@@ -353,7 +356,8 @@ SER_PUT:
dec SendFreeCnt
lda #$ff
jsr TryToSend
lda #<SER_ERR_OK
lda #SER_ERR_OK
.assert SER_ERR_OK = 0, error
tax
rts
@@ -366,7 +370,8 @@ SER_STATUS:
lda ACIA_STATUS
ldx #0
sta (ptr1,x)
txa ; SER_ERR_OK
.assert SER_ERR_OK = 0, error
txa
rts
;----------------------------------------------------------------------------
@@ -376,8 +381,8 @@ SER_STATUS:
;
SER_IOCTL:
lda #<SER_ERR_INV_IOCTL ; We don't support ioclts for now
ldx #>SER_ERR_INV_IOCTL
lda #SER_ERR_INV_IOCTL ; We don't support ioclts for now
ldx #0 ; return value is char
rts
;----------------------------------------------------------------------------