91 lines
1.4 KiB
ArmAsm
91 lines
1.4 KiB
ArmAsm
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// Kernal error codes are described in 'Commodore 64 Programmer's Reference Guide', page 306
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kernalerror_ROUTINE_TERMINATED: // by a STOP key
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lda #K_ERR_ROUTINE_TERMINATED
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sec
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rts
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kernalerror_TOO_MANY_OPEN_FILES:
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lda #K_ERR_TOO_MANY_OPEN_FILES
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sec
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rts
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kernalerror_FILE_ALREADY_OPEN:
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lda #K_ERR_FILE_ALREADY_OPEN
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sec
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rts
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kernalerror_FILE_NOT_OPEN:
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lda #K_ERR_FILE_NOT_OPEN
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sec
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rts
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kernalerror_FILE_NOT_FOUND:
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lda #K_ERR_FILE_NOT_FOUND
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sec
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rts
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kernalerror_DEVICE_NOT_FOUND:
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lda #K_ERR_DEVICE_NOT_FOUND
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sec
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rts
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kernalerror_FILE_NOT_INPUT:
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lda #K_ERR_FILE_NOT_INPUT
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sec
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rts
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kernalerror_FILE_NOT_OUTPUT:
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lda #K_ERR_FILE_NOT_OUTPUT
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sec
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rts
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kernalerror_FILE_NAME_MISSING:
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lda #K_ERR_FILE_NAME_MISSING
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sec
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rts
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kernalerror_ILLEGAL_DEVICE_NUMBER:
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lda #K_ERR_ILLEGAL_DEVICE_NUMBER
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sec
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rts
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kernalerror_TOP_MEM_RS232:
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lda #K_ERR_TOP_MEM_RS232
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sec
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rts
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// Kernal status codes are described in 'Commodore 64 Programmer's Reference Guide', page 292
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kernalstatus_reset:
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lda #$00
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sta IOSTATUS
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rts
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// The following two statuses are currentl not implemented - and most likely not really needed
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// kernalstatus_TIMEOUT_WRITE:
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// lda IOSTATUS
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// ora #K_STS_TIMEOUT_WRITE
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// sta IOSTATUS
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// rts
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// kernalstatus_TIMEOUT_READ:
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// lda IOSTATUS
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// ora #K_STS_TIMEOUT_READ
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// sta IOSTATUS
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// rts
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kernalstatus_EOI:
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lda IOSTATUS
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ora #K_STS_EOI
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sta IOSTATUS
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rts
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kernalstatus_DEVICE_NOT_FOUND:
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lda IOSTATUS
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ora #K_STS_DEVICE_NOT_FOUND
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sta IOSTATUS
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rts
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