BIOS Machine Pack: Difference between revisions
Created page with '== Reset Vector == 0000 RESET (RST0) == User RST Vector == 002B DATA (OLD C' WHEN RST 30h OCCURRED WITH LO_ROM ENABLED) 0030 FREE_FOR_USER (RST6) == Machine Pack (Printer…' |
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BD37 JUMP_RESTORE ;out: [BB00..BDCC]=defaults (raw BIOS, non-AMSDOS) | BD37 JUMP_RESTORE ;out: [BB00..BDCC]=defaults (raw BIOS, non-AMSDOS) | ||
BCC8 KL_CHOKE_OFF ;zerofill kernel RAM, out: B,C,DE,ZF | BCC8 KL_CHOKE_OFF ;zerofill kernel RAM, out: B,C,DE,ZF | ||
[[Category:BIOS]] | |||
Latest revision as of 16:41, 19 December 2010
Reset Vector
0000 RESET (RST0)
User RST Vector
002B DATA (OLD C' WHEN RST 30h OCCURRED WITH LO_ROM ENABLED) 0030 FREE_FOR_USER (RST6)
Machine Pack (Printer)
BD28 MC_RESET_PRINTER ;out: [BDF1]=default jp opcode BD2B MC_PRINT_CHAR ;in: A=char, out: CY=1=okay, CY=0=busy/timeout BD2E MC_BUSY_PRINTER ;out: CY=1=busy, CY=0=ready BD31 MC_SEND_PRINTER ;in: A=char, out: CY=1 BD58 MC_PRINT_TRANSLATION_664 ;in: HL=translation table (664 and up only) BDF1 HOOK_MC_PRINT_CHAR ;in: A=char, out: CY=1=okay, CY=0=busy/timeout
Machine Pack (Other)
BD37 JUMP_RESTORE ;out: [BB00..BDCC]=defaults (raw BIOS, non-AMSDOS) BCC8 KL_CHOKE_OFF ;zerofill kernel RAM, out: B,C,DE,ZF