emulator improvements

2026-05-25 18:07:55 +10:00
parent 9d93d88840
commit 81f5d7a150
13 changed files with 629 additions and 366 deletions
--- a/h8536/emulator/constants.py
+++ b/h8536/emulator/constants.py
@@ -0,0 +1,36 @@
+from __future__ import annotations
+
+
+SCI1_SMR = 0xFED8
+SCI1_BRR = 0xFED9
+SCI1_SCR = 0xFEDA
+SCI1_TDR = 0xFEDB
+SCI1_SSR = 0xFEDC
+SCI1_RDR = 0xFEDD
+
+P9DDR = 0xFEFE
+P9DR = 0xFEFF
+
+IPRA = 0xFF00
+IPRE = 0xFF04
+WDT_TCSR_R = 0xFEEC
+
+SCI_SCR_TIE = 0x80
+SCI_SCR_RIE = 0x40
+SCI_SCR_TE = 0x20
+SCI_SCR_RE = 0x10
+SCI_SSR_TDRE = 0x80
+SCI_SSR_RDRF = 0x40
+SCI_SSR_ORER = 0x20
+SCI_SSR_FER = 0x10
+SCI_SSR_PER = 0x08
+
+ON_CHIP_RAM_START = 0xF680
+ON_CHIP_RAM_END = 0xFE7F
+REGISTER_FIELD_START = 0xFE80
+REGISTER_FIELD_END = 0xFFFF
+RAMCR = 0xFF11
+
+HEARTBEAT_FRAME = bytes([0x00, 0x00, 0x00, 0x00, 0x80, 0xDA])
+VECTOR_INTERVAL_TIMER = 0x0042
+VECTOR_SCI1_TXI = 0x0084