| Z88 Developers' Notes | ||
|---|---|---|
| Contents | Contents of System Calls | |
GN_Esp, return an extended pointer to a system error message
RST 20H, DEFW $4C09
IN:
A = system error code requesting a pointer to a stringOUT:
Fc = 0 Fz = 1, error is fatal Fz = 0, useful error message BHL = pointer to error message stringRegisters changed after return:
A..CDE../IXIY same .FB...HL/.... differentNotes:
The following is a list of messages produced by GN_Esp. All other values of A(in), and hence any error codes not in the list below, will give the message "Internal Error" and these errors are all fatal.
Return code values: Message: Fatility RC_ESC $01 Escape RC_TIM $02 Timeout RC_UNK $03 Internal Error Error is fatal RC_BAD $04 Internal Error Error is fatal RC_MS $05 Internal Error Error is fatal RC_NA $06 Internal Error Error is fatal RC_ROOM $07 No Room RC_HAND $08 Bad handle Error is fatal RC_EOF $09 End of file RC_FLF $0A Filter full RC_OVF $0B Overflow RC_SNTX $0C Bad syntax RC_WRAP $0D Wrap RC_PUSH $0E Cannot satisfy request RC_ERR $0F Internal Error Error is fatal RC_TYPE $10 Unexpected type Error is fatal RC_PRE $11 No room RC_ONF $12 File not found RC_RP $13 Read protected RC_WP $14 Write protected RC_USE $15 In use RC_FAIL $16 Cannot satisfy request RC_IVF $17 Bad filename RC_FTM $18 File type mismatch RC_EXIS $19 Already exists RC_DVZ $46 Divide by 0 RC_TBG $47 Number too big RC_NVR $48 -ve root RC_LRG $49 Log range RC_ACL $4A Accuracy lost RC_EXR $4B Exponent range RC_BDN $4C Bad number RC_DRAW $66 Redraw RC_QUIT $67 Unknown error Error is fatal RC_SUSP $69 Suspended
Related calls:
GN_Err, display an interactive error box
OS_Erc, get error context
OS_Erh, set error handler
OS_Esc, examine special condition