APPENDIX B — SCS/DCA COMMAND SUMMARY | Page | |
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Command: | Begin Emphasis (BES) |
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Format: | 2B D1 nn 8A ca |
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Printers: | 3812 |
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Action: | Activates the continuous emphasis function. It |
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| emphasizes characters by overlaying them with the same | |
| pel pattern displaced by two pels horizontally. |
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| The ca parameter is ignored. |
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IBMEMUL: | Same as IBM. |
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| If BOLDTYP is set to PRINTER, the BOLD ON PFS is | |
| sent to the printer before the text to be bolded. The | |
| BOLDOFF PFS is sent to the printer after the text to end | |
| the bolding. Normally these PFSs turn bolding on and off | |
| at the target printer. |
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| If BOLDTYP is set to BACK SPC, bolding is achieved | |
| by printing each bold character in the following way: | |
| Character - Backspace - BSBOLD1 - Character - | |
| BSBOLD2. PFSs BSBOLD1 and BSBOLD2 are used to | |
| perform small relative vertical movements to the right | |
| and left, respectively, thereby offsetting the two | |
| occurences of the character and creating a bold | |
| appearance. |
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275EMUL: | No operation. |
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Command: | End Emphasis (EES) |
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Format: | 2B D1 nn 8E xx |
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Printers: | 3812 |
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Action: | Deactivates the continuous emphasis function. |
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| The xx parameter is ignored. |
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IBMEMUL: | Same as IBM. |
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| Ends bolding mode previously started by Begin | |
| Emphasis command. |
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275EMUL: | No operation. |
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