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Commit 4289dd

2026-03-19 08:26:26 Bob Green: -/-
programming/examples/duart.md ..
@@ 8,5 8,37 @@
```
#### gcc
```c
+ /* Duart Register Addresses */
+ #define duart_base ((unsigned char*) 0xad0001)
+ #define duart_mr1 ((unsigned char*) duart_base)
+ #define duart_mr1a ((unsigned char*) duart_base)
+ #define duart_mr1b ((unsigned char*) duart_base)
+ #define duart_sra ((unsigned char*) duart_base+2)
+ #define duart_csra ((unsigned char*) duart_base+2)
+ #define duart_cra ((unsigned char*) duart_base+4)
+ #define duart_rba ((unsigned char*) duart_base+6)
+ #define duart_tba ((unsigned char*) duart_base+6)
+ #define duart_ipcr ((unsigned char*) duart_base+8)
+ #define duart_acr ((unsigned char*) duart_base+8)
+ #define duart_isr ((unsigned char*) duart_base+10)
+ #define duart_imr ((unsigned char*) duart_base+10)
+ #define duart_cur ((unsigned char*) duart_base+12)
+ #define duart_ctur ((unsigned char*) duart_base+12)
+ #define duart_clr ((unsigned char*) duart_base+14)
+ #define duart_ctlr ((unsigned char*) duart_base+14)
+ #define duart_mr2 ((unsigned char*) duart_base+16)
+ #define duart_mr2a ((unsigned char*) duart_base+16)
+ #define duart_mr2b ((unsigned char*) duart_base+16)
+ #define duart_srb ((unsigned char*) duart_base+18)
+ #define duart_csrb ((unsigned char*) duart_base+18)
+ #define duart_crb ((unsigned char*) duart_base+20)
+ #define duart_rbb ((unsigned char*) duart_base+22)
+ #define duart_tbb ((unsigned char*) duart_base+22)
+ #define duart_ivr ((unsigned char*) duart_base+24)
+ #define duart_opcr ((unsigned char*) duart_base+26)
+ #define duart_start_counter ((unsigned char*) duart_base+28)
+ #define duart_opr_set ((unsigned char*) duart_base+28)
+ #define duart_stop_counter ((unsigned char*) duart_base+30)
+ #define duart_opr_reset ((unsigned char*) duart_base+30)
```
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