🖮 CICS
CICS BMS Maps

Intermediate 🕑 20 min read 👁 1 views
Code Example


## CICS BMS Maps

Basic Mapping Support creates formatted screens.

### BMS Components
1. **Map Source** - Screen definition
2. **Physical Map** - Load module
3. **Symbolic Map** - COBOL copybook

### Map Definition
\`\`\`
mapname DFHMSD TYPE=...
        DFHMDI ...
        DFHMDF ...
        DFHMSD TYPE=FINAL
\`\`\`

### DFHMDI - Map Definition
Screen layout attributes.

### DFHMDF - Field Definition
Individual field attributes:
- POS - Position (line,col)
- LENGTH - Field length
- ATTRB - Attributes
- INITIAL - Default value

### Attributes
- ASKIP - Auto skip
- PROT - Protected
- UNPROT - Unprotected
- BRT - Bright
- NORM - Normal
- DRK - Dark

### Using Maps
SEND MAP sends screen
RECEIVE MAP gets input